共 6 条
- [1] BEMENT R. E., 1965, J RANGE MANAGE, V18, P53, DOI 10.2307/3895467
- [2] CHEPIL WS, 1962, 64 US DEP AGR PROD R
- [3] CHEPIL WS, 1957, YEARBOOK AGRICULTURE, P308
- [4] CHEMICAL VERSUS MECHANICAL FALLOW OF ABANDONED CROPLANDS [J]. WEED SCIENCE, 1969, 17 (04) : 548 - +
- [5] HOBBS JA, 1957, YEARBOOK AGRICULTURE, P505
- [6] A MICRO-RIDGE ROLLER FOR SEEDBED MODIFICATION [J]. JOURNAL OF RANGE MANAGEMENT, 1969, 22 (01): : 54 - &