共 9 条
[1]
CAMPBELL J. B., 1963, JOUR RANGE MGMT, V16, P78, DOI 10.2307/3895272
[2]
CHAPMAN HD, 1961, METHODS ANALYSIS SOI
[3]
Cochran W.G., 1957, EXPT DESIGNS
[4]
DOTZENKO A. D., 1961, AGRON JOUR, V53, P131
[5]
HANSON AA, 1965, ARS170 USDA AGR HAND
[6]
LORENZ RJ, 1961, 437 N DAK STAT U AGR
[7]
STEEL R. G. D., 1960, PRINCIPLES PROCEDURE
[8]
THOMAS JR, 1964, ARS82 USDA PROD RES