Mostrando ítems 1-10 de 31
Insect Resistant Maize for Africa (IRMA) Project Annual Report 2002
Grain yield of barley as affected by cropping sequence and fertilizer application in Southeastern Ethiopia
Cropping systems in the Ethiopian highlands involve rotations of cereals with grain legume and oilseed crops; the proportional allocation among crop species varies with altitude, rainfall, and soil type. Barley (Hordeum ...
On-farm evaluation of an animal-drawn implement developed in Ethiopia for row placement of wheat seed and basal fertilizer
Grass weeds are difficult to control by hand weeding in a broadcast wheat crop because several species are not easily distinguished from the crop at an early stage. Chemical weed control, on the other hand, can be highly ...
Soil fertility management research for the maize cropping systems of smallholders in Southern Africa: A review
This paper examines the implications of declining soil fertility for the maize-based cropping systems in southern and eastern Africa. A review of the importance of maize in the region is followed by a description of the ...
Demonstrations of an interdisciplinary approach to planning adaptive agricultural research programmes
(CIMMYT Eastern African Economics Programme, 1979)