Vegetable farmers and their sustainable tillage practices [DVD]. V. Grubinger. 2007. University of Vermont Extension. Funded with a grant from Northeast SARE. Available for purchase from: http://www.uvm.edu/vtvegandberry/Videos/tillagevideo.html (verified 31 Dec 2008).
Eleven farmers and researchers in 3 northeastern states describe their sustainable tillage practices and tools, from mulches to ridge till to spaders.
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