Use of rapid chemical tests on soils and plants as aids in determining fertilizer needs

Thornton, S.F., Conner, S.D., Fraser, R.R.

Use of rapid chemical tests on soils and plants as aids in determining fertilizer needs - Lafayette 1945 - 1-10 p. - Chemical, Soil, Plant, Fertilizer, Need Purdue Agricultura Experiment Station. Circular No. 204 .
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