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Mamo, T.Haque, I.[Phosphorus status of some Ethiopian soils. II. Forms and distribution of inorganic phosphates and their relation to available phosphorus]Phosphorus status of some Ethiopian soils. II. Forms and distribution of inorganic phosphates and their relation to available phosphorus

Field studies were conducted between 1987-1989 at sites on Vertisols at different altitudes in Ethiopia to assess the effects of mixtures of clover undersowings on grain, straw yield and the total biomass production of several wheat varieties. Wheat varieties grown at the medium altitude location...


Tedla, A.Mamo, T.Gebeyehu, G.[Integration of forage legumes into cereal cropping systems in Vertisols of the Ethiopian highlands]Integration of forage legumes into cereal cropping systems in Vertisols of the Ethiopian highlands

Eight chemical methods were employed for estimating the available P in 32 Ethiopian soils using Phasey bean (Macroptilium lathyroides c.Murray) as a test crop grown in small pots in a glasshouse and the soil test values then correlated with plant characteristics. Olsens' method gave the highest c...


Mamo, T.Haque, I.[Phosphorus status of some Ethiopian soils. III. Evaluation of soil test methods for available phosphorus]Phosphorus status of some Ethiopian soils. III. Evaluation of soil test methods for available phosphorus

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