共 9 条
[3]
Hawkins RS, 1930, J AGRIC RES, V40, P1017
[4]
HESSLER L. E., 1959, AGRON JOUR, V51, P125
[5]
KERR T, 1938, AMER J BOT, V25, pS14
[6]
LOOMIS WE, 1953, GROWTH DIFFERENTI ED, P55
[7]
MORRIS D. A., 1962, Empire Cotton Growing Review, V39, P270
[8]
OKELLEY JC, 1953, GROWTH DIFFERENTIATI, P55
[9]
STOCKTON JR, 1960, COTTON DEFOLIATION P, V14, P11