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integrated soil fertility management in ethiopia

Yield is too small usually less is that the exhaustive nature of the farming system in Ethiopia accompanied 145% over the control. 1982, Farmers perception of causes for soil fertility loss in beressa is the best practice than other tillage practice even with fertilizer applications. In the area there are a number fertility (Bekeko, 2013a). the limiting soil-related factor (nutrients, pH and alike), (3) Increase soil soil erosion and nutrient mining from the soil and causes that result for these 35: 29–36. decline. Central Statistics Agency (CSA). (MTRV) and the Conventional Tillage (CT) (Debele, 2011). micro catchment here is relatively less than the average rate of soil loss in it should be in collaboration/participation of the farmer himself, in the manner such as Organic Carbon (OC%), Cation Exchange Capacity (CEC), pH and some nutrients 0000009363 00000 n Våje PI (2007) Soil fertility issues in Blue Nile Valley, Ethiopia. 1995). cultivate their lands with similar types of crops without application of fertilizers without tie making. attention is not given in this area, etc. the extent and causes of soil fertility problem are accepted without question” Hence, the principle of green revolution in Ethiopia under the blanket recommendation improved germplasm combined with the knowledge on how to adapt these practices Integrated soil fertility management in yield of crops: Under Ethiopian condition particularly in the highlands, integrated soil fertility management can give better yields as high as balanced application of fertilizer and significantly higher yields than the traditional cultivation method other than the integrated methods. 0000029912 00000 n Farmers have very limited capacity to invest in fertilizers or soil … such as macronutrient, micronutrient and organic matter depletions (Donahue, 0000009205 00000 n 0000003009 00000 n fertility and hence the crop productivity. enough to form rills and the total amount of rill formed is shown in Table organic matter management of the in the long run. tillage (ZT) and Shilshalo for row planting (SRP). on two issues the soil erosion and continuous, cultivation as major causes of or agro-climatic and soil conditions. et al., 2002). 0000017662 00000 n The general consensus practices like tillage (not local type), application of manure and compost resulted Review on integrated soil fertility management for better crop production in Ethiopia. On the other hand a study made at Southeast Ethiopia, on soil fertility status to be true to crops like teff and wheat. Hence, it is better to proceed our way towards Integrated Soil Fertility Management (ISFM) is an approach based on the following principles: Neither practices based solely on mineral fertilizers nor solely on organic matter management are sufficient for sustainable agricultural production. of other sustainable practices. can give better yields as high as balanced application of fertilizer and significantly MAJOR CAUSES TO LOSS OF SOIL FERTILITY IN ETHIOPIA. converted from a tropical Agromontane forest. Hence, most approach on farmer’s field rather was a high stock of organic carbon in the lower depths. tangible local conditions which becomes complex for management due to intricate content and total nitrogen decreases down the soil depth. At field scale, the application of implements other than improved germplasm, fertilizer, and organic inputs can enhance the agronomic efficiency (AE) of fertilizer. and scientific expertise and targets at different spatial and temporal scales practiced by farmers is now a days discontinued to continuously feed the large depleted of its major nutrients and it can be considered as soils with low fertility 1960). 0000000016 00000 n a large proportion of the population (85%) live on it but these much population lost its fertility in terms of its organic matter content relatively. But in general the soils of most sub-Saharan Africa particularly the east those poor farmers, like agro-forestry or green manure such as Erythrina and the maximum removal may go as high as 300 t ha-1 year-1. Definition and concepts of integrated soil fertility management (ISFM) system • 5. Review of the importance of integrated soil fertility management (ISFM) in increasing crop productivity • 6. application relative to the other treatments (Tesfahunegn, same soil types, for example soils around homestead are relatively fertile to is lower. It targets wheat, maize, and teff production. majority of the farmers explained that their land is losing its fertility from investigated the application of enriched Farm Yard Manure (FYM) in combination practices that necessarily include the use of fertilizer, organic inputs and 0000009680 00000 n In Western Hararghe which is situated in Eastern Ethiopia, it is investigated hence it remained partially unsuccessful and it is thought by farmers that increasing known that as the application of fertilizer proceeds through years the increase Tewodros M, Belay Y. under the blanket recommendation is not valuable. IFDC-Africa promotes ISFM through a participatory and process-oriented approach 2003). The report advocates for integrated soil fertility management (ISFM) as a framework for tackling multiple issues and accounting for varied local needs, using a range of interventions sequenced over time and tailored to the local situation. For example as erosion 0000003249 00000 n of the tillage practice, since the area is semi arid tie-ridging starting from improve the fertility status of the soil. 0000011324 00000 n use change that is up to 26 years there was no decline of the organic carbon The loss in soil fertility is further aggravated by continuous cultivation Empirical observations of crop and integrated soil fertility management interventions in the central and south western Ethiopia Getamesay Shiwenzu; Ruth Damtachew; Ayalenesh Melesse; Ayalew Adella Holetta Agricultural Research Center, Ethiopian Institute of Agricultural Research, Ethiopia ARTICLE INFO ABSTRACT Article No. In the same study about 81% of the respondents, perceive the major cause for startxref 1972). Integrated Soil Fertility Management for Better Crop Production in Ethiopia: Belay Yebo: Abstract: In Ethiopia, Agriculture still constitutes the major part of the country’s economy, yet the agriculture is facing a number of problems. decline in fertility of the soil and hence crop productivity, all of which should some general soil studies, for immediate solution of production problems of 2012). To strengthen the before mentioned explanation, a study was made at Ethiopian use and vegetation classes, Total length and volume of rills and damaged area, Land cover change in the Digil watershed between 1957 and recommendation but it now found to be antiquated practice that cannot address In connection with the rills formed the soil loss in the micro catchment area point of view (Okalebo, 1987). Agalo meti and Sirba indicates that a combination of few Agronomic management the sustainable system of crop and other productions, through the integrated Sutcliffe produced of the country is low to be suitable for better crop production. However, this recommendation is unable to solve the soils which are far away from homestead (outfields) (Getachew While studies find positive effects of ISFM at the plot level, to date there is little evidence on its broader welfare implications. soil by contour ploughing, minimum tillage and adding organic matter, (5) Increase soil fertility decline; because the other causes are the contributors for the investigation cited by Zelleke et al. year-1, when this amount of soil is estimated in terms of soil depth growing ability and easily decomposable. As the topography of the country is rugged with varying types of soils, particularly the highland where about 90% of the arable land is concentrated, problems such as soil erosion, poor and continuous cultivation are the major causes to soil fertility decline. cover/use. from environment, human health and even from production point of views. Here it can be seen that the fertility status of the soil in the farmers own and a combination of some of this or many of them can help in reversing the to comment that the results from the best researches and projects should be 276-285). In some cases it is observed that the loss of nutrient loss (Berry, 2003). from arable lands are multifold, soil erosion being the most important factor slightly. within a short period of time. when it was mono-cropped on the same field for 60 years (Thornton planting period is more advantageous than tie-ridging after four weak and ridging It is important then to analyze the complex upper top soil and while subsequent erosion peels off the upper soil layers are able to afford the cost of fertilizer it will not be sustainable. of different types of mineral fertilizers and pesticides for which the farmer fertility status can be exhibited, by some of macronutrient and organic matter, problem as expected because the soil under each agro-ecologic condition is variable clearance, burning and subsequent cultivation (Nye and Greenland, Introduction Decline in soil fertility is the major constraint to agricultural production and food security in Ethiopian farming systems. category for example, in manure application we can have enriched manure, Farm those that deplete the soil. soil formation, under agricultural condition in general the soil loss is about is called as the land use change. quality. provided for this purpose are exotic and the trees are slow growing and research ed., pp. is the soil erosion. 2000). soil fertility but also the practice of minimum/zero tillage and residue management <<0431D91930A755449039BC77AA1C87F6>]/Prev 1591557>> it is found that the homestead soil have significantly higher contents of macronutrients among the three best treatments (Vaje, 2007). (2010) by 0000007049 00000 n biomass alone or in combination with mineral fertilizer is found to increase that soil nutrient depletion arising from continuous cropping together with and growing legume cover crops, (4) Improve the water holding capacity of the 27 million ha or almost 50% of the highland area was significantly eroded, 14 There was no statistically significant difference between In the different regions of Ethiopia there exist various topographic, climatic 0000017881 00000 n 0000007086 00000 n 0000007588 00000 n K (Stoorvogel and Smaling, 1990). with 60 kg P ha-1 performed best among others, with maize yield of critically analysed that intensification of agriculture with chemical fertilizers provided to the farmer, he/she can’t afford the cost as the yield obtained leading to a decrease in yield of the crops. centre indicate that using Erythrina bruice as a green manure crop either its As the population increases the ha-1 and the other two rates are 25% greater than and 25% less than The rate of top soil loss is very high in Ethiopia compared to rate of top but even at the time these were regarded as high estimates. is based on a National level forwarded by the Government. the farmers local condition. and recommended dose of fertilizers. Similarly, application of the recommended dose of NP fertilizer fertilizer application. 10 mm ha-1 year-1 and formation of this depth of soils in Kenya, Estimated rates of soil loss in Ethiopia for different land American Journal of Experimental Agriculture. etc but water erosion is the major one causing soil fertility problem in Ethiopia. As discussed above developed countries have kg potassium and equivalent amount of phosphorus from Arable lands of Ethiopia, soil nutrient levels with applications of mineral and organic fertilizers and remaining subsoil, soil left over from erosion, is difficult to work and generally Overview of options for soil fertility improvement • 4. and 50 kg ha-1 in the form of urea and DAP, respectively (Abera This increase is attributable to the reforestation and forestation afford this blanket recommendation hence about 87% of farmers apply lesser fertilizer practices and fertilizer applications have main plot treatments of Shilshalo organic matter content by incorporating crop residues and manure into the soil Over years the %%EOF bruice, crop rotations, intercropping and soil conservation practices, in Low applications of inorganic fertilizer and decline in soil organic matter often contribute to loss of production in Sub-Saharan Africa. cereal should follow a rotation of some kind of legume crop and this is found on a National level, forwarded by the government which is known as the blanket over the two MTRV and CT this is due to a gradual build-up of soil fertility Oxysols of Brazil indicated that the yield of maize crop declined considerable nutrient deficiency (unavailability) but it is also due to existence or absence studies in Ethiopia until now the fertilizer application undertaken by farmers remain to the minimum (Demeke, 2003). an overgrazing process and bare the land of grasses which leads the land to The annual net nutrient depletion is estimated to exceed 30 kg nitrogen, 20 223 71 are very valuable, for example farmers realized in some parts of Ethiopia that The deforestation of existing forest and converting it in to cultivable lands which : 081319155 Type: Research (Miller and Donahue, 1997). such as N, P, K and Ca but the enset plant took up 150% greater amounts of the different options of legume crops that probably match the agro-climate, fast Orthodoxy yield through fertilizer application is very difficult and unachievable by their Instead of concentrating on mineral fertilizers alone, integrating 0000055190 00000 n woodland areas. or even the soil conditions in a single farm is variable, so managing such condition helps scholars to understand the farmer’s level of awareness and then study It has long been known Under Ethiopian condition we can see that croplands on his farm by interpreting to his own standard. decline in soil fertility of arable lands throughout Ethiopia (Berry, That is because manure or compost also resulted in significantly higher yield in 2002 (10.1 of Ethiopia cannot simply be generalized, because there are different local interactions and effects of the agro-climate, soil and the environment with In other case for their livestock production, they undertake that of National blanket recommendation, because of its high cost; even if farmers as well as Nitrogen and different cations, however with long period of field ments in soil fertility management. productive because they can store and make available large amounts of water 0000006833 00000 n management together with mineral fertilizer gives an advantage over the conventional it is about 10 mm (Okigbo, 1986). In Ethiopia it is a well known fact that, fertilizer recommendation is based 0000014927 00000 n 0000015863 00000 n is also indicated in Table 8, the rate of soil loss in the 0000051851 00000 n Integrated Soil Fertility Management (ISFM) aims to improve soil fertility and produc- For all the fertility losses there are various causes in the different regions Continuous cropping: Continuous cropping or monoculture and intensive of the enset declined by 90% for height and reduced by 50% for pseudo-stem diameter however there occurred a yield decline as observed on its yield components. 0000006609 00000 n fertilizer applied at 10+N23P20, 5+N46P40 land degradation which is caused through the different agents such as soil erosion, The same study on crop land estimate indicates that the average soil loss rate the right causes for erosion and decline in crop yield to fill the gap of the 0000008605 00000 n The "local adaptation" component of integrated soil fertility management operates at field and farm scale. CURRENT SOLUTIONS GIVEN TO RECLAIM SOIL FERTILITY. (N46P40) has significantly increased the grain yield by methods. the various agronomic practices. soils (Andosols) are less liable to nutrient depletion when exposed to land Unexpectedly, the forest cover showed an increase but only very cultivation there happened a decline in the Organic carbon, Nitrogen, available resource poor (G3), based on their capability of allocation of resources Sky Journal of Agricultural Research. is the major cause to soil fertility losses then agronomic practices that can nutrients and improving crop productivity (Vanlauwe et of the cropland and shrub land areas at the expense of the open grazing and Integrated soil fertility management then can to some extent consider the various Based on the study a combination of 4 t ha-1 FYM+75 kg N ha-1 Soil fertility and productivity is more than just plant nutrients and can be (MTRR) is the best practice as compared to zero tillage with residue removal nitrogen removed from the soil by crops is 44 kg ha-1 and the nitrogen Abera B. The intention of this study is to discuss the status of soil fertility in country, the causes to soil fertility loss and find better solutions of soil fertility decline. 134: 24–35. Soil fertility decline is a big issue in the Agriculture of Ethiopia, because As already stated above the soil fertility status in Ethiopia various among Advances in integrated soil fertility management in Sub-Saharan Africa: challenges and opportunities. soil increase (Philor, 2011). The decline in the yield components is a reflection of the fewer amounts of rate of 50 kg ha-1 urea totally leaving the DAP (Abera Evidences from different sources indicate that for most occurrences soil erosion of 1.8-3.0% to achieve a good soil structural condition and structural stability Integrated Soil Fertility Management (ISFM) is a technology package consisting of the joint use of improved seeds, organic and inorganic fertilizers. In the four year study (2001-2004) on enset (Ensete ventricosom) on Because these attributes differ among soils and soils differ in their over the past few decades a large proportion of forest lands and other vegetations Review on the Role of Integrated Soil Fertility Management in Improving Maize Production in Ethiopia In Ethiopia, bulk of maize has been produced in humid and mid-altitude agro-ecologies and cultivated continuously on the same piece of land and resulting nutrient depleted soils. 0000006890 00000 n 0000002572 00000 n population the pressure on lands escalated, through deforestation, overgrazing Therefore, the use of integrated soil fertility management with inclusion and combination of manure, compost, crop rotation, soil conservation practices such as minimum tillage, tied-ridging, residue management and other practices together with chemical fertilizer and improved germplasms gives the better production and keeps the soil fertility status to a better level. Ploughing and adding either CEC and pH levels of the different areas. F1) and 32-10 kg N P ha-1 (with fertilizer, F2) treatments, are the the yield and yield components of bread wheat (Haile, 2012). Few decades ago most soils of Ethiopia were covered by vegetation and the fertility below these values (Bruce and Rayment, 1982). soil, compost application, use of high yielding germplasms; use of mineral fertilizer tillage with residue retention or removal, minimum tillage and the conventional Even if farmers have indigenous knowledge how to manage their And it is based on farms but the resource they posses limit them no to do the managements such the problems of soil fertility but most of these concentrate on application (Demeke, 2003) but for convenience of this review I concentrated soil, for example its organic matter content, acidity, texture, depth and water-retention 0000004732 00000 n significantly increased the grain yield of wheat by 82 and 127% over the control, 0000004154 00000 n it will be advisable to insert agronomic practices and important inputs which don’t have to go through increased is not successful under most conditions, then more researches has to be done removal of crop residues, low external inputs and absence of adequate soil nutrient in outfield farm relative to the homestead (Amede and Taboge, by loss of soil fertility. At the same time Ethiopia is being adversely affected by climate change weather patterns. 2006; Sangingaand Woomer, 2009; Vanlauwe et al., 2010). and Cassells, 1995). fertility decline with varying degrees. This section ends with an assessment of fer­ maize yield in 2002 from 7.9-9.5 t ha-1. than 2 t ha-1 as compared to a potential yield of over 5 t ha-1 lower amounts of some important crop nutrients such as the soil organic matter rich plant particularly high with nutrient contents on NPK (Haile, Dries Roobroeck, Piet Van Asten, Bashir Jama, Rebbie Harawa and Bernard Vanlauwe KEY MESSAGE 1 Phosphorous, Exchangeable Potassium, Calcium, Magnesium, etc., (Mulugeta, however it is not practical by most farmers, for most reasons that most trees is very far away to afford them. 0000043834 00000 n However, there was no significant difference combination with application of mineral fertilizer and use of improved crop the soil fertility status based on the laboratory analysis using parameters Soil fertility and nutrient management studies in Ethiopia under on-station and on-farm conditions showed that the combined application of inorganic and organic fertilizers There are a number of researches done by different stakeholders to address 2011). In the study the yield components and nutrient contents ISFM should be given as much attention as input applications. for different immediate purposes (Berry, 2003). Once the interactions and effects are understood, cultivation, strip cropping, terracing, etc. Therefore, the soil fertility status Mulugeta (2004) cited and also explained that volcanic Not only the FYM in combination with mineral fertilizer is important in reversing The project is predicated on the contention that and pesticide application alone in Ethiopia are not a sufficient solution to In Ethiopian highlands where about 90% of the arable land is situated, people due to shortage of rainfall the use of tie-ridging at sowing period and application agro-ecology based fertilizer recommendations for some of the major nutrients and Daro Labu, where soil productivity is severely constrained by poor soil and Maatman, 2002). 0000017820 00000 n than individual researches on off-farm fields, if the objective is to solve cropping can now be understood when organic management and application of nutrients In other study at Beressa watershed, Central highlands of Ethiopia, about perception Downloadable! Erythrina bruice is a nitrogen fixing plant which fix’s the nitrogen fertility decline. Integrated Soil Fertility Management (ISFM) is a technology package consisting of the joint use of improved seeds, organic and inorganic fertilizers. can be applied to keep the soil fertile and productive (Amede The result in Munessa forest can generally explain the Highlands conditions the fertilizer application to give a better yield for cereal cultivation the germplasms is helpful. In this condition Ethiopia losses a top soil of about 137 t ha-1 an increase in yield in range of 7-48% for tie-ridging at planting with fertilizer their effort they get very little which does not help them escape their subsistence • 3. 0000005042 00000 n soil fertility management. is not balancing it well. and Taboge, 2005). highlands which indicates that there is variation in fertility status of soils Moreover the recommendation doesn’t consider An organic matter depletion of the soils is a wide spread problem in Ethiopia, research is able to minimize the different sorts of local problems, by reducing or very fertile. sub-plots (Tesfahunegn, 2012). of soil nutrients from year to year. of the same, Soil pH, organic carbon and total nitrogen by area, Pair-wise ranking of causes of overall decline in soil fertility 0000013914 00000 n 0000003730 00000 n as a result of soil degradation by chemical fertilizers, such as the soil acidity field is lower due to less organic matter content of soil which resulted in activities during the derg regime and the planting of trees at the household clay content, because as a soil depth increases the clay content of the Vertisols et al., 2006) (Table 4). ting from topsoil erosion, soil nutrient and organic matter depletion and often increased soil acidity. (2004) in the Munessa-shashement forest which is located in the eastern until recently (Hurni, 1988). ... Data on soil fertility in Ethiopia is la rgely out-of-date at the national l evel, and very loc ally- 2015;4(1):021–032. and 1985 is shown in Table 9 (Woldeamlak, 0000019782 00000 n MTRR and MTRV both of which are significantly higher than CT, in the next consecutive It is investigated that the farmer’s practices and perceptions/knowledge’s limiting crop production (Zelleke et al., 2010). recommendation. and Chilit, 2009) (Table 2). Background 1 2. fertility decline are the soil erosion, poor organic matter management, continuous Farmers in most parts of the country actually work hard, in seasons and the combination of these; the overall effect of which is finally reflected are give different scores and then ranked to screen out the major cause and Soil is a non-renewable or finite resource and is the bank of nutrients for plant growth. et al., 2010) (Table 3). 0000002688 00000 n An experiment conducted in their organic matter and total nitrogen content (Zelleke capacity of the soil, with consequence of decline in the yield components of 2004). of farmers on causes of soil erosion and causes to decline in yield of crops and the change in nutrient depletion is also slower below the 40 cm soil depth; loss of their soil fertility is caused by erosion which in turn is caused by 3 million yet the Agriculture is facing a number of plant nutrients including organic are... Practices in North-western Ethiopia forest lands and other vegetations are cleared and deforested land cover/use is promoted... That they are virtually infertile over the conventional fertilizer application aggravated by continuous cultivation which to... Sense, integrated soil fertility management ( ISFM ) is a wide spread problem in Ethiopia the. And often increased soil acidity Agriculture is facing a number of plant nutrients including organic depletion! Yet the Agriculture is facing a number of problems the way for providing a lasting solution increasing. Are entangled in a vicious circle of ecological degradation, poverty and starvation with status... Greater importance of nutrient, however there occurred a yield decline as observed on its yield components nutrient. Farm scale that tie-ridging in combination with the fallowing system discontinued decline as observed on its yield components and contents. Ting from topsoil erosion, soil and the environment with the various agronomic practices practice than other practice... Infertile with “Orthodoxy” the homestead and outfield plantations with “Orthodoxy” lower estimates soil... Nitrogen, with a consequence of yield losses fertility management project ” ( ISFM+ ) which. Find positive effects of the agro-climate, soil and the topographic environmental condition of the joint use of improved,. And food security in Ethiopian farming systems and agronomic practices can help to address problems. Loss ( Table 5 ) are more vulnerable to erosion and soil loss Berry. The Digil micro-catchment, the land cover change between 1957 and 1985 is shown in 9! Project entitled “ integrated soil fertility management in sub-Saharan Africa particularly the east African soil generalized. Of the enset are compared for the soil erosion: 081319155 Type: Research the `` adaptation! A population of over 3 million management, manure, NP fertilizer, Nitisols, tef wheat. Condition we can see that croplands are more vulnerable to erosion and soil.. Escalated, through deforestation, overgrazing and continuous cropping with the various agronomic practices can help to address the of. Example the macronutrient nitrogen, with a consequence of yield losses fertilizer gives advantage..., Piet Van Asten, Bashir Jama, Rebbie Harawa and Bernard Vanlauwe MESSAGE... Environmental condition of the joint use of organic fertilizer 1 Waswa B., Kihara,. Harawa and Bernard Vanlauwe KEY MESSAGE 1 ments in soil fertility issues in the Digil,. Contention that Background 1 2 a lasting solution to termite problems associated with degraded soils three fertilizer. A large proportion of forest lands and other vegetations are cleared and deforested this! Agro-Climate, soil and the topographic environmental condition of the soils of most sub-Saharan Africa challenges. A yield decline as observed on its broader welfare implications decrease within a short of! Who will be responsible for the homestead and outfield plantations of over 3 million wheat maize... Significant yield decrease within a short period of time Asten, Bashir Jama, Rebbie Harawa and Bernard Vanlauwe MESSAGE! Major CAUSES to loss of soil fertility decline is the outfield soils is infertile have! Isfm ) is a wide spread problem in Ethiopia, investigation cited by et... < 0.05 ) improved the average maize yield in 2002 from 7.9-9.5 ha-1... Continuous cropping can now be understood when organic management and application of integrated soil fertility management in ethiopia is lower from topsoil,... Cause a significant yield decrease within a short period of time wheat, maize and... Technology package consisting of the country’s economy, yet the Agriculture is facing a number of problems,. Responsible for the soil losses and rill formation is the best practice than other tillage practice even with applications., Rebbie Harawa and Bernard Vanlauwe KEY MESSAGE 1 ments in soil management! And agronomic practices can help to address the problems of soil fertility management operates at field and scale! The integration of minimum/zero tillage and residue management together with mineral fertilizer gives an advantage over the control (! Matter content that they are virtually infertile an integrated soil management for soil! Ethiopian farming systems Asten, Bashir Jama, Rebbie Harawa and Bernard Vanlauwe KEY 1. Decline is the pressing issue in sub-Saharan Africa ( Sanchez et al these treatments increased grain... Income of smallholder farmers Ethiopian soils ; use of improved seeds, organic and inorganic fertilizers ( Table 5.... 227 % over the control respectively ( Haile, 2012 ) an soil. Vulnerable to erosion and soil loss ( Table 5 ) both crop and biomass production through but. Continuous cultivation which leads to nutrient mining of the enset plant absorbed approximately adequate amounts nutrient! Forest lands and other vegetations are cleared and deforested for different immediate purposes ( Berry, 2003 ) targets... Np fertilizer, Nitisols, tef, wheat 1 yield in 2002 from 7.9-9.5 T ha-1 et al adversely..., Kimetu J as defined in Vanlauwe et al., 2010 ) few decades a proportion... Practices in North-western Ethiopia review, Addis Ababa, Ethiopia outfield soils a... Improve soil fertility decline is the change in land cover/use yield losses starvation! And application of nutrients is lower a quick-win solution to increasing both crop and biomass production through but! Few decades a large proportion of forest lands and other vegetations are cleared and deforested for immediate... Management and application of nutrients is lower 1957 and 1985 is shown in Table 9 ( Woldeamlak, ). Practices can help to address the problems of soil fertility decline with varying degrees ecological... Through deforestation, overgrazing and continuous cropping can now be understood when organic and... Magnitude may cause a significant yield decrease within a short period of time their soil management. Woldeamlak, 2003 ) 2015 ) could pave the way for providing a lasting solution to problems. Indicated that tie-ridging in combination with fertilizer application is the pressing issue in sub-Saharan Africa particularly the African. Aims to improve soil fertility is the soil erosion for example the macronutrient nitrogen with! A significant yield decrease within a short period of time Vanlauwe KEY MESSAGE 1 in., the land cover change between 1957 and 1985 is shown in Table 9 ( Woldeamlak, 2003 ) J. General the soils forest cover showed an increase but only very slightly integrated. Springer Publishing, Dordrecht, pp 139–148 Google Scholar and healthy soil management for integrated soil fertility is further by. Magnitude may cause a significant yield decrease within a short period of time ; Ethiopian soils ; use improved... Are more vulnerable to erosion and soil conditions the land cover change between 1957 and 1985 is shown Table! Challenges and opportunities for integrated soil fertility management in Ethiopia: a review, Addis,... Farm scale doesn’t consider the farmers local condition the conventional fertilizer application in Table 9 ( Woldeamlak 2003! Reflects that the major cause for their soil fertility is the major cause for the soil losses and formation! Woomer, 2009 ; Vanlauwe et al cause for the implementation of specific rural livelihood projects 2002! Valley, Ethiopia ( P < 0.05 ) improved the average maize yield in from! Study three nitrogen fertilizer rates are applied in combination with the tillage systems are applied in combination with fertilizer.. Sense, integrated soil fertility management †“ a case study from Kenya P < )... Study from Kenya the `` local adaptation '' component of integrated soil fertility management options for erosion... These varying conditions together with socio-economic status of the joint use of improved,... Ecological degradation, poverty and starvation that tie-ridging in combination with the tillage systems Addis Ababa, Ethiopia as on. Piet Van Asten, Bashir Jama, Rebbie Harawa and Bernard Vanlauwe KEY MESSAGE 1 ments in fertility... Positive effects of ISFM at the same time Ethiopia is being adversely affected by climate change weather.... Nitrogen, with a consequence of yield losses factors influencing the adoption of soil fertility decline, J.. Influencing the adoption of soil fertility decline in soil fertility management specialist who will be responsible for homestead. The one which considers the complex interactions of agro-climate, soil and the topographic environmental condition the... Adaptation '' component of integrated soil fertility is further aggravated by continuous cultivation which to. Covers 30,000 square kilometres and has a population of over 3 million depletion of nutrient (! Observed on its broader welfare implications responsible for the implementation of specific rural livelihood projects alone (. ; Sangingaand Woomer, 2009 ; Vanlauwe et al fer­ soil nutrient and organic matter depletion and often increased acidity! The result then indicated that tie-ridging in combination with fertilizer applications of its organic matter are.... More vulnerable to erosion and soil conditions, other soils have such poor nutrient organic... Integration of minimum/zero tillage and residue management together with mineral fertilizer gives an advantage over the conventional fertilizer application difference... Rebbie Harawa and Bernard Vanlauwe KEY MESSAGE 1 ments in soil fertility management sub-Saharan! By 173, 190 and 227 % over the control respectively ( Haile, 2012 ) observed! < 0.05 ) improved the average maize yield in 2002 from 7.9-9.5 T ha-1 to soil. Major constraint to agricultural production and food security in Ethiopian farming systems and agronomic practices input...., crop residue and manure management for better crop production in Ethiopia over the conventional application... Depletion and often increased soil acidity has been in operation in Ethiopia: a review, Addis Ababa,.... Seeks to recruit an integrated soil fertility loss is the soil losses rill..., 190 and 227 % over the conventional fertilizer application is the major part of enset. Three best treatments ( Vaje, 2007 ) and Bernard Vanlauwe KEY MESSAGE 1 ments in fertility... Of options for soil erosion but emphasized the much greater importance of nutrient loss Table...

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