共 11 条
[1]
Chan Y. K., 1971, Dissertation Abstracts International, B, V32, P2475
[2]
DE R, 1978, INDIAN J AGR SCI, V48, P132
[3]
FISHER KS, 1971, AUSTR J AGR RES, V22, P39
[4]
FREYMAN S, 1977, CANADIAN J PLANT SCI, V57, P687
[6]
JANNY AB, 1965, NETHERLANDS J AGR SC, V13, P280
[8]
SINGH SP, 1977, FERTILISER NEWS, V22, P26
[9]
SINGH SP, 1979, JAN INT INT WORKSH I, P22
[10]
Trenbath B. R., 1974, Advances in Agronomy, V26, P177, DOI 10.1016/S0065-2113(08)60871-8