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 The objective of this research, being
led by Dr. S. H. (Norman) Chien, is to conduct strategic and applied
research on the efficiencies of secondary and micronutrients as
influenced by nutrient sources, soil properties, and crop species.
Several soils were used to test possible maize and cotton responses to
zinc, iron, boron, and sulfur; unfortunately none of these were
observed. Work will be continued to locate proper soils to study
dynamics of secondary and micronutrients for sustainable crop
production.
To maximize the benefit of using urea
supergranules for flooded rice production, sulfur and zinc nutrients
were incorporated in urea supergranules. Unfortunately, the soils used
did not show sulfur and zinc response with flooded rice. Work will be
continued to locate proper soils to study the benefits of incorporating
sulfur and zinc in urea supergranules for flooded rice production.
Return to Soil & Nutrient Dynamics --->
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