共 30 条
[1]
[Anonymous], 1991, PRINCIPLES PROCEDURE
[2]
Barnes R. F., 1981, Forage evaluation: concepts and techniques [Wheeler, J.L.
[3]
Mochrie, R. D. (Editors)]., P89
[6]
Brown D.M., 1969, HEAT UNITS CORN SO O
[8]
COLEMAN SW, 1982, MP112 USDASEAAR OKL, P102
[9]
Goering H.K., 1970, USDA AGR HDB, V379