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Gives results of the 1987 main rainy season results of the trials conducted to determine the effects of vertisol surface drainage on soil and nutrient conservation, excess water disposal and wheat growth at the Debre Zeit ILCA station and at Hidi.


Astatke, A.Jutzi, S.C.Grunder, M.[Vertisol surface drainage and effects on soil and nutrient conservation, excess water disposal and wheat growth at Debre Zeit]Vertisol surface drainage and effects on soil and nutrient conservation, excess water disposal and wheat growth at Debre Zeit
Autor: Astatke, A.

In Ethiopia animal traction has been an integral part of agricultural production for centuries. Pairs of Oxen have been employed to pull an ard plough (`Maresha') for seedbed preparation. Implement development for primary and secondary cultivation was the main focus until the end of the 70s. Some...


Astatke, A.[Research on the draught animal power systems in Ethiopia]Research on the draught animal power systems in Ethiopia

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