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New semiDwarf wheat (Triticum aestivum L.) cultivars and new land management practices for Vertisols are being introduced in Ethiopia. Our objectives were to (i) determine the variation of N and P contents and concentration in the grain and whether these are related to grain yield, (ii) test cult...


Schulthess, Urs C.Feil, B.Jutzi, S.C.[Yield-independent variation in grain nitrogen and phosphorus concentration among Ethiopian wheats]Yield-independent variation in grain nitrogen and phosphorus concentration among Ethiopian wheats

Summarizes and discusses the results of an experiment carried out in 1983 with oats and Italian ryegrass on a soil with vertic properties near Debre Berhan area (Ethiopia) to examine the effects of improved drainage and fertilization (N/P).


Haque, I.Jutzi, S.C.[Effets du drainage ameliore et de l'application d'engrais sur la croissance de l'ivraie multiflore et de l'avoine sur un sol a proprietes vertiques a Debre Berhan, Ethiopie]Effets du drainage ameliore et de l'application d'engrais sur la croissance de l'ivraie multiflore et de l'avoine sur un sol a proprietes vertiques a Debre Berhan, Ethiopie

Reports on the effects of a processed commercial phosphorus fertilizer compared with those of a relatively inexpensive rock phosphate on the growth of a native Ethiopian clover.


Haque, I.Jutzi, S.C.[Efficacite relative de phosphates chimiques et naturels sur la croissance d'un trefle africain]Efficacite relative de phosphates chimiques et naturels sur la croissance d'un trefle africain

Summarizes and discusses the results of an experiment carried out in 1983 with oats and Italian ryegrass on a soil with vertic properties near Debre Berhan area (Ethiopia) to examine the effects of improved drainage and fertilization (N/P).


Haque, I.Jutzi, S.C.[Effects of improved drainage and fertilization on the growth of Italian ryegrass and oats on a soil with vertic properties at Debre Berhan, Ethiopia]Effects of improved drainage and fertilization on the growth of Italian ryegrass and oats on a soil with vertic properties at Debre Berhan, Ethiopia

Reports on the effects of a processed commercial phosphorus fertilizer compared with those of a relatively inexpensive rock phosphate on the growth of a native Ethiopian clover.


Haque, I.Jutzi, S.C.[Relative effectiveness of refined and rock phosphates on the growth of an African clover]Relative effectiveness of refined and rock phosphates on the growth of an African clover

Reports some responses of three prominent African clovers, viz, Trifolium tembense, T. rueppellianum and T. steudneri native to Ethiopia to phosphorus and combined N/P fertilizers on a P-deficient vertisol at the ILCA headquarters site.


Jutzi, S.C.Haque, I.[The effects of P and N/P fertilizers on the growth, nodulation and seed of three African clovers on a P-deficient Vertisol]The effects of P and N/P fertilizers on the growth, nodulation and seed of three African clovers on a P-deficient Vertisol

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