共 50 条
[1]
AZEVEDO J, 1974, 44 U CAL AGR EXP STN
[2]
BISWAS T. D., 1971, Proceedings, International Symposium on Soil Fertility Evaluation, New Delhi, Indian Society of Soil Science, V1, P831
[4]
CROSS OE, 1972, ASAE72218 AM SOC AGR
[5]
DETAR WR, 1977, ASAE772060 AM SOC AG
[6]
DRAPER N, 1966, APPLIED REGRESSION A