Example: biology
Fertilizer Recommendations for Soybean
explaining the lack of response to phosphorus fertilization on some soils. Table I. provides phosphorus fertilizer recom-mendations based on Bray-1 and Olsen phosphorus tests. The Olsen P test is used on soils with pH of 7.3 or greater. The Mehlich-3 phosphorus test may be used by some analytical labs in Nebraska.
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