共 22 条
[1]
[Anonymous], AGRONOMY
[2]
BAIRD B, 1952, P AM SOC SUGAR BEET, V7, P189
[3]
CHAPMAN HD, 1961, METHODS ANALYSIS SOI
[4]
DUBETZ S, 1969, 1400 CAN DEP AGR PUB
[5]
GARDNER R., 1946, Proceedings. American Society of Sugar Beet Technologists, V4, P27
[6]
GARDNER R, 1942, 28 COL EXP STA TECH
[7]
GRIMES DW, 1959, J AM SOC SUGAR BEET, V10, P365
[8]
GUTTAY J. R. et al., 1958, Journal of the American Society of Sugar Beet Technologists, V10, P66
[9]
HEADDEN WP, 1912, 183 COL AGR EXP STA
[10]
HILL K. W., 1946, Proceedings. American Society of Sugar Beet Technologists, V4, P63