共 6 条
- [1] COOPER R. L., 1970, Soybean Digest, V30, P12
- [2] COOPER RL, 1971, AGRON J, V63
- [3] COPPER RL, 1969, SOYBEAN NEWS, V20
- [4] RESPONSE OF SOYBEAN PLANT TYPES TO PLANTING PATTERNS [J]. AGRONOMY JOURNAL, 1969, 61 (02) : 290 - +
- [5] PROBST AH, 1945, J AM SOC AGRON, V37, P549