共 11 条
[2]
COOVER JR, 1953, 97 TEX AGR EXP STA M
[3]
LEHMAN DR, 1968, J RANGE MANAGE, V21, P71
[4]
LEUKEL WA, 1934, 269 FLOR AGR EXP STA
[5]
MURPHY R. P., 1958, Journal of the Science of Food and Agriculture, V9, P714, DOI 10.1002/jsfa.2740091104
[6]
SMITH D, 1964, PLANT PHYSIOL, V39, P950
[7]
STEEL R. G. D., 1960, PRINCIPLES PROCEDURE
[8]
WAITE R, 1958, J SCI FOOD AGR, V9, P34
[9]
WARD C. Y., 1961, CROP SCI, V1, P366, DOI 10.2135/cropsci1961.0011183X000100050021x
[10]
WEINMANN H, 1943, J S AFRICAN BOT, V10, P37