共 50 条
- [1] 1978 WEED-CONTROL GUIDE FOR FIELD CROPS [J]. MICHIGAN COOPERATIVE EXTENSION SERVICE EXTENSION BULLETIN, 1978, (NE-43): : 2 - 26
- [2] 1978 CHEMICAL WEED-CONTROL GUIDE FOR FIELD CROPS AND PERENNIAL WEEDS [J]. NORTH DAKOTA COOPERATIVE EXTENSION SERVICE CIRCULAR, 1977, (NW-25): : 1 - 32
- [3] CULTURAL AND CHEMICAL WEED-CONTROL IN FIELD CROPS 1978 [J]. MINNESOTA AGRICULTURAL EXTENSION SERVICE EXTENSION BULLETIN, 1978, (400): : 2 - 27
- [4] CHEMICAL WEED-CONTROL GUIDE - WINTER CEREALS 1978 [J]. QUEENSLAND AGRICULTURAL JOURNAL, 1978, 104 (03): : 254 - 256
- [5] WYOMING WEED-CONTROL GUIDE 1978 [J]. WYOMING AGRICULTURE EXTENSION SERVICE BULLETIN, 1978, (NR442): : 3 - 53
- [6] WEED-CONTROL GUIDE FOR FIELD CROPS [J]. MICHIGAN COOPERATIVE EXTENSION SERVICE EXTENSION BULLETIN, 1977, (NE-43): : 1 - 16
- [7] 1981 CHEMICAL WEED-CONTROL GUIDE FOR FIELD CROPS AND PERENNIAL WEEDS [J]. NORTH DAKOTA COOPERATIVE EXTENSION SERVICE CIRCULAR, 1980, (NW-25): : 1 - 46
- [8] 1977 CHEMICAL WEED-CONTROL GUIDE FOR FIELD CROPS AND PERENNIAL WEEDS [J]. NORTH DAKOTA COOPERATIVE EXTENSION SERVICE CIRCULAR, 1976, (NW-25): : 1 - 30
- [9] 1980 CHEMICAL WEED-CONTROL GUIDE FOR FIELD CROPS AND PERENNIAL WEEDS [J]. NORTH DAKOTA COOPERATIVE EXTENSION SERVICE CIRCULAR, 1979, (NW-25): : 1 - 47
- [10] 1982 WEED-CONTROL GUIDE FOR FIELD CROPS [J]. MICHIGAN COOPERATIVE EXTENSION SERVICE EXTENSION BULLETIN, 1982, (NE-43): : 3 - 35