Results 161 to 170 of about 1,437 (175)
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Comparisons of soil test phosphorus by Olsen, Bray P1, Mehlich I and Mehlich III methods
Communications in Soil Science and Plant Analysis, 1985D E Baker
exaly
Bray/Kurtz, Mehlich III, AB/D and ammonium acetate extractions of P, K and MG in four oklahoma soils
Communications in Soil Science and Plant Analysis, 1984G V Johnson
exaly

