共 17 条
[1]
BAKER H. K., 1961, Journal of the British Grassland Society, V16, P263
[3]
GRABER LF, 1927, 80 WIS AGR EXP STA R, P128
[4]
HARPER RH, 1943, 81 NEW HAMPSH AGR EX, P17
[5]
HEINZE PH, 1940, 314 MISS U AGR EXPTL, P23
[6]
LEWIS BA, 1965, PRIVATE COMMUNICATIO
[7]
LINDH NO, 1957, ARK KEMI, V10, P569
[9]
OKAJHMA HIDEO, 1964, CROP SCI, V4, P317, DOI 10.2135/cropsci1964.0011183X000400030025x
[10]
SAEMAN JF, 1954, TAPPI, V37, P336