共 27 条
[1]
ASAMI T., 1959, Soil and Plant Food, V5, P141
[2]
ASHKAR MA, 1956, SOIL SCI SOC AM P, V20, P352
[3]
BEAR FE, 1953, SOILS FERTILIZERS
[4]
BISWAS T. D., 1953, Journal of the Indian Society of Soil Science, V1, P21
[5]
DANIELS R. B., 1962, SOIL SCI SOC AMER PROC, V26, P75
[6]
Jackson M L, 1956, SOIL CHEMICAL ANALYS, P101
[7]
Jackson ML, 1958, SOIL CHEMICAL ANALYS
[8]
KAWAGUCHI K., 1957, Soil and Plant Food, V3, P29
[9]
KAWAGUCHI K, 1960, 7 T INT C SOIL SCI, V42, P305
[10]
KUBOTA J, 1960, 7 T INT C SOIL SCI M, V2, P134