| Summary: | 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 of fertilizers and systems, application methods and times); materials required for testing and their preparation; planting (time, system, population, and spacing); irrigation (systems and times); crop rotations; cultural practices during the exptl. period; phytosanitary condition; pests; deficiencies and toxicities; harvesting; on-farm storage; and approximation of soil nutrient levels for bean. (CIAT)
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