共 15 条
- [1] Walter D., Jasa P., Conservation tillage in the United States: an overview, (2002)
- [2] Roberson R., Long-term conservation-tillage study shows benefits, concerns, (2006)
- [3] Voorhee W.B., Lindstrom M.J., Long-term effects of tillage methods on soil tilth independent of wheel compaction, Soil Science Society of America Journal, 48, 1, pp. 152-156, (1984)
- [4] National crop residue management survey, (2009)
- [5] National survey shows more farmers choose conservation tillage
- [6] (2005)
- [7] 18, 1, pp. 99-103, (2004)
- [8] Smith D., Poised for take-off (conservation tillage), Farm Journal
- [9] Smith D., Conservation now (renewable energy contracts), Farm Journal, (2006)
- [10] Miller M., Vertical tillage practice offers the most benefits