DETERMINATION OF TOTAL, ORGANIC, AND AVAILABLE FORMS OF PHOSPHORUS IN SOILS

Soil Science - Tập 59 Số 1 - Trang 39-46 - 1945
R. W. Bray1,2, L. T. Kurtz1,2
12 Chief and associate, soil fertility, department of agronomy, respectively.
2Illinois Agricultural Experiment Station

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