共 15 条
[3]
CHOUDURY TN, 1970, AGRON J, V62, P281
[4]
COCHRAN WG, 1957, EXPTL DESIGN
[5]
DAVIDSON DT, 1965, AGRONOMY, V9, P472
[6]
GHILDYAL B P, 1971, Journal of the Indian Society of Soil Science, V19, P5
[7]
JACKSON ML, 1964, SOIL CHEMICAL ANALYS, pCH14
[9]
JOHNSON SP, 1956, BOT GAZ, V117, P100
[10]
KAR S, 1974, Riso (Milan), V23, P173