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The 3 stages of the diagnostic procedure to identify soil fertility problems are reviewed, namely (1) classification of land into soil fertility management units, (2) diagnosis of soil fertility and plant nutrition problems, and (3) determination of the causes and mechanisms of nutrient disorders...


Wortmann, Charles S.Regassa, TMughogho, SK[Research methods for the diagnosis of soil fertility problems]Research methods for the diagnosis of soil fertility problems

Bean yields are expected to increase due to improved varieties and better cultural and harvesting practices. Higher yields increase the nutrient requirements of the bean crops and the complexity of management. Better low input management practices will be needed for beans grown in pure stand and ...


Mughogho, SKWortmann, Charles S.[Research needs and methods for the use of fertilizers and soil amendments in bean-based cropping systems]Research needs and methods for the use of fertilizers and soil amendments in bean-based cropping systems

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