共 15 条
- [1] ALEXANDER D. E., 1963, CROP SCI, V3, P354, DOI 10.2135/cropsci1963.0011183X000300040022x
- [2] BRIMHALL B, 1951, CEREAL CHEM, V28, P255
- [3] EAST EM, 1910, POP SCI MO, V77, P190
- [4] HILDITCH TP, 1964, CHEMICAL CONSTITUTIO
- [5] Hopkins C.G., 1899, ILL AGR EXP STN B, V55, P205
- [7] LEHBERG F. H., 1939, CANADIAN JOUR RES SECT C BOT SCI, V17, P181
- [8] LENG EARL R., 1962, CROP SCI, V2, P167, DOI 10.2135/cropsci1962.0011183X000200020027x
- [9] LENG ER, 1962, Z PFLANZENZUCHT, V47, P67