共 50 条
- [2] CONSERVATION TILLAGE SYSTEMS FOR ANNUALLY CROPPED WHEAT IN THE PACIFIC-NORTHWEST [J]. JOURNAL OF SOIL AND WATER CONSERVATION, 1987, 42 (01): : 53 - 55
- [5] Conservation and utilization in the Pacific Northwest [J]. JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US, 1910, 2 : 100 - 101
- [7] Conservation strategies for the Inland Pacific Northwest - Introduction [J]. WILDLIFE SOCIETY BULLETIN, 1996, 24 (02): : 178 - 179
- [8] CONSERVATION TILLAGE AND SEEDING SYSTEMS IN THE SOUTH-PACIFIC [J]. SOIL & TILLAGE RESEARCH, 1993, 27 (1-4): : 283 - 302