trench orientation. In a Minnesota study, the N–S strips accumulated more snow but snow melted faster than on E–W strips in the first year after felling. Snow-melt was faster on strips near the centre of the strip-felled area than on border strips adjoining the intact stand. The strips, 50 feet (15.24 m) wide, alternating with uncut strips 16 feet (4.88 m) wide, were felled in a Pinus resinosa stand, aged 90 to 100 years. See also Advance sowing Land development Optimum water content for tillage Site preparation Soybean management practices SWEEP (Soil and Water Environmental Enhancement program) TERON (Tillage erosion) Tillage erosion Notes References Bibliography Cook, R.L., H.F. McColly, L.S. Robertson, and C.M. Hansen. 1958. Save Money – Water – Soil with Minimum Tillage. Extension Bulletin 352. Cooperative Extension Service, Michigan State University, East Lansing. Sprague, Milton A., and Glover B. Triplett. 1986. No-tillage and surface-tillage agriculture: the tillage revolution. New York, Wiley. Troeh, Frederick R., J. Arthur Hobbs, Roy L. Donahue. 1991. Soil and water conservation for productivity and environmental protection, 2nd ed. Englewood Cliffs, N.J., Prentice-Hall. Soil Science of America. 2009. Glossary of Soil Science Terms. [Online]. Available at https://www.soils.org/publications/soils-glossary (28 September 2009; verified 28 September 2009). Soil Science of America, Madison, WI. No-Plow Farmers Save Our Soil agriculture_sustainable_farming.html Manufacturer of Agricultural Zone Till Subsoiler with Photos (umequip.com by Unverferth Equipment) Further reading External links "Illustrated Guide of Tilling and Weaving: Rural Life in China" from 1696 Agricultural soil science Agricultural terminology