共 14 条
[1]
[Anonymous], 1950, OFFICIAL METHODS ANA
[3]
BLACK CA, 1957, SOILPLANT RELATIONSH
[4]
BOATWRIGHT G. O., 1964, Soil Science Society of America. Proceedings, V28, P403
[5]
BOATWRIGHT G. O., 1961, Agronomy Journal, V53, P33
[7]
DEAN LA, 1953, SOIL FERTILIZER PHOS, P43
[9]
JOHNSON C. M., 1957, Plant and Soil, V8, P337, DOI 10.1007/BF01666323
[10]
PEMBER FR, 1917, 169 RHOD ISL AGR EXP