THE SUITABILITY OF DIFFERENT METHODS FOR ASSESSING THE PHOSPHORUS STATUS OF HILL SOILS

Truog E., 1929, IND ENG CHEM ANAL ED, V1, P136, DOI [10.1021/ac50067a011, DOI 10.1021/AC50067A011]

TRUOG EMIL, 1930, JOUR AMER SOC AGRON, V22, P874

VANDENHENDE A, 1952, 2 T INT C SOIL SCI, V2, P307

Williams E. G., 1941, JOUR SOC CHEM INDUST, V60, P291, DOI 10.1002/jctb.5000601105

Truog E., 1929, IND ENG CHEM ANAL ED, V1, P136, DOI [10.1021/ac50067a011, DOI 10.1021/AC50067A011]

TRUOG EMIL, 1930, JOUR AMER SOC AGRON, V22, P874

VANDENHENDE A, 1952, 2 T INT C SOIL SCI, V2, P307

Williams E. G., 1941, JOUR SOC CHEM INDUST, V60, P291, DOI 10.1002/jctb.5000601105