Evaluation of zinc status ecuadorian soils
A short-term greenhouse cropping procedure was developed to evaluate the zinc status of soils. In this procedure» corn plants are grown in sand culture in such a way that the actively-growing roots can be placed in contact with a small volume of soil (100 grams) for two weeks. This results in an exh...
Michigan: Michigan State University, 1974. 62 p.
|Subjects:||SUELOS, ZINC, EVALUACIÓN, ECUADOR, Mag. Sc. Thesis.,|
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