共 11 条
- [1] BORDAKOV P. P., 1933, Bull. Appl. Bot. Leningrad., V1, P195
- [2] FISHER RA, 1946, STATISTICAL METHODS
- [3] JOHNSON I. J., 1932, JOUR AMER SOC AGRON, V24, P537
- [4] KING SP, 1935, J AGR ASSOC CHINA, V142, P185
- [5] KING SP, 1935, J AGR ASSOC CHINA, V143, P185
- [6] PAHIGIAN N, 1950, MARKETING STUDY OIL
- [7] VILJOEN NJ, 1937, DEP AGR FOR SCI B, V169
- [9] WEBER CR, 1950, IOWA AGR EXP STA RES, V374
- [10] WEISS MG, 1950, USDA TECH B, V1017