Effect of Water Solubility and Granule Size of Phosphorus Fertilizers on Alfalfa Grown in a Calcareous Soil1
- S. D. Romsdal and
- W. R. Schmehl2
Yield and P uptake were increased by increasing the water solubility or decreasing the granule size of the fertilizers. There was a water-solubility ✕ granule-size interaction but solubility had little influence on yields with the 40-mesh or smaller materials. The effectiveness of fertilizers having 47% or more solubility tended to be independent of size. The influence of solubility on yield and P uptake was reduced with successive cuttings or by incubating the soil-fertilizer system before cropping.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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