Full Length Research Paper
References
|
Amanuel Z, Girmay G, Atkilt G (2015). Characterization of Agricultural Soils in Cascape Intervention Woredas in Southern Tigray, Ethiopia. |
|
|
Amsal T, Hailu G, Francis C (1997). Yield limiting factors to food barley production in Ethiopia. Journal of Sustainable Agriculture 10:97-113. |
|
|
Asnakew W, Tekaling M, Mengesha B, Teferra A (1991). Soil fertility management studies on wheat in Ethiopia. pp. 137-172, in: Hailu G, D.G. Tanner and Mengistu Ha (eds). Wheat Research in Ethiopia. A Historical Perspective. CIMMYT/IAR, Addis Ababa, Ethiopia. |
|
|
Bacon P (1995). Nitrogen Fertilization in the Environment. Nitrogen fertilization in the environment (Vol. 42). CRC Press. |
|
|
Bock BR (1984) Efficient use of nitrogen in cropping systems. In: Hauck RD (eds.), Nitrogen in crop production. ASA-CSSA-SSSA, Madison, WI, USA pp. 273-294. |
|
|
Central Statistical Agency (CSA) (2017). Report on Area and Production of Major Crops (Private Peasant Holdings, Meher season). The Federal Democratic Republic of Ethiopia Agricultural Sample Survey, Volume I, Statistical Bulletin 586, Addis Ababa, Ethiopia. |
|
|
CIMMYT Economics Program, International Maize and Wheat Improvement Center (1988). From agronomic data to farmer recommendations: an economics-training manual (No. 27). CIMMYT. |
|
|
Gomez KA, Gomez AA (1984). Statistical procedures for agricultural research. John Wiley & Sons. |
|
|
FAOSTAT (2014). Online http://faost at.fao.org/site/291/defau lt.aspx. Published 2014. Accessed Mar 6, 2020. |
|
|
Geleto T, Tanner DG, Mamo T, Gebeyehu G (1996). Response of rainfed bread and durum wheat to source, level and timing of nitrogen fertilizer at two Vertisol sites. In: The Ninth Regional Wheat Workshop for Eastern, Central and Southern Africa. Addis Ababa, Ethiopia. pp. 127-147. |
|
|
Hopkins BG, Rosen CJ, Shiffler AK, Taysom TW (2008). Enhanced efficiency fertilizers for improved nutrient management of potato. University of Idaho, Aberdeen. |
|
|
International Center for Agricultural Research in the Dry Areas (ICARDA) (2013). Tackling the threat of stripe rust in Ethiopia. ICARDA Ethiopia. ICARDA Project brief. |
|
|
Jiao X, Liang W, Chen L, Zhang H, Li Q, Wang P, Wen D (2005). Effect of slow release urea fertilizers on urease activity, microbial biomass, and nematode communities in an aquic brown soil. Science in China Series C: Life Sciences 48(1):26. |
|
|
Kefyalew E (2010). Fertilizer Consumption and Agricultural Productivity in Ethiopia, Addis Ababa, Ethiopia, Ethiopian Development Research Institute, Working paper. |
|
|
Olsen SR, Cole CW, Watanabe FS, Dean LA (1954). Estimation of Available Phosphorus in Soils by Extraction with Sodium Bicarbonate Circular 939, US. Department of Agriculture. |
|
|
Russel RS (1977). Plant root systems: Their function and interaction with the soil. Plant root systems: their function and interaction with the soil. MaidenHead: McGraw-Hill Book Company (UK) Limited. |
|
|
SAS Institute (2015). Base SAS 9.4 procedures guide. SAS Institute. |
|
|
Spielman DJ, Kelemwork D, Alemu D (2012). Seed, fertilizer, and agricultural extension in Ethiopia. Food and agriculture in Ethiopia: Progress and policy challenges, pp. 84-122. |
|
|
Sofonyas D, Lemma W, Selamyihun K (2018). Response of Bread Wheat (Triticum aestivum L.) to Application of Slow Releasing Nitrogen Fertilizer in Tigray. Ethiopian Journal of Agricultural Science 28(1)111-126. |
|
|
Sticksel E, Maidl F-X, Retzer F, Dennert J, Fischbeck G (2000). Efficiency of grain production of winter wheat as affected by N fertilisation under particular consideration of single culm sink size. European Journal of Agronomy 13:287-294. |
|
|
Stahl M (1990). "Constraints to Environmental Rehabilitation through People's Participation in Northern Ethiopian Highland." Discussion Paper No. 13. Geneva. United Nations Research Institute for Social Development. |
|
|
Tekalign T, Haque I, Aduayi EA (1991). Soil, plant, water, fertilizer, animal manure and compost analysis manual. |
|
|
Terman GL (1979). Volatilization losses of nitrogen as ammonia from surface-applied fertilizers, organic amend-ments, and crop residues. Advances in Agronomy 31:189-223. |
|
|
Zhou L, Chen L, Li R, Wu Z (2003). Behavior of soil urea N and its regulation through incorporating with inhibitors hydroquinone and dicyandiamide. In: Ji L, Chen GX, Schnug E, Hera C, Hanklaus S (Eds.), Fertilization in the Third Millenium Fertilizer, Food Security and The Haworth Press. |
|
Copyright © 2024 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0
