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The different methodological stages of cassava on-farm trials and their relationships regarding the objectives and functions of the Cassava Program at the Centro Internacional de Agricultura Tropical (CIAT) are outlined. Site selection, farm trial design and analysis, and some illustrative result...
Oligota minuta is one of the major dominant predators of Mononychellus tanajoa, consuming eggs and movil stages of the mite. At the Centro Internacional de Agricultura Tropical, Palmira, Colombia, Oligota adult populations on cassava var. M Col 113 were counted 4 times/day (6 am, 9 am, 1 pm, and ...
Research was conducted at the Centro Internacional de Agricultura Tropical (CIAT) in 1980 in order to solve the problem of low cassava yields in Loja, Ecuador, Objectives were: (1) to determine the effect of vertical and horizontal plantings of cuttings on the emergence and competitive vigor of c...
The agronomic factors that should be taken into account in the management of bean yield trials are described. These include: determination of the exptl. site (plot background and soil and climatic conditions); mechanized soil preparation; materials required for field trials; fertilization (types ...
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