共 50 条
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- [5] TRENDS IN WESTERN UNITED-STATES AGRICULTURE - IRRIGATION ORGANIZATIONS WATER RESOURCES BULLETIN, 1988, 24 (06): : 1289 - 1294
- [7] FUTURE OF UNITED-STATES BEEKEEPING AND UNITED-STATES AGRICULTURE AMERICAN BEE JOURNAL, 1986, 126 (04): : 273 - 275
- [10] WATER YIELD ESTIMATION IN WESTERN UNITED-STATES JOURNAL OF THE IRRIGATION AND DRAINAGE DIVISION-ASCE, 1982, 108 (01): : 25 - 34