共 15 条
[1]
HENSON PR, 1968, 2ND CROWNV S PENN ST, P129
[2]
LANGILLE AR, 1967, ECOPHYSIOLOGICAL STU
[3]
LANGILLE AR, DISS ABSTR, V28, P2213
[5]
MCCLOUD DE, 1964, P CROWNVETCH S, P48
[6]
NELSON CJ, 1967, CROP SCI, V7, P130
[7]
REYNOLDS JOHN H., 1962, CROP SCI, V2, P333, DOI 10.2135/cropsci1962.0011183X000200040017x
[8]
SEIM AL, 1968, 2ND CROWNV S PENN ST, P124
[9]
SEIM AL, 1966, CROPS SOILS, V19, P18