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Washington State University - Puyallup
Organic Farming Systems and Nutrient Management
Organic Farming Systems Research Photo Gallery
Above-manure spreader spreading compost.
Above-Winter cereal rye vetch mix as a cover crop.
Above-Undercutter skims just under the surface to cut weed roots while minimally disturbing the soil.
Above-spader which is gentler on the soil than rototillers and usually both tills and prepares the seed bed for planting in one pass.
Above-vetch interplanted in a former corn planting as a winter cover crop to protect the soil from erosion and provide nitrogen for a spring or summer crop.
Above-Allis G tractor with weed basket, weeding row vegetable crop.
Above-Roller/Crimpers-Front mounted on tractor to crimp cover crops stems to terminate them while leaving them in place to provide a mulch. Two different widths shown.
Above-buckwheat as a short term summer cover crop.
Above-Sudangrass summer covercrop being flailed.
Above-Custom strip tiller unit. Front discs cut cover crop, back unit (see insert photo) is a one blade wide Maschio rototiller that cuts a narrow path for planting crops in while leaving the rest of the soil undisturbed.
Washington State University
Events and New
Organic Farming Systems Research
Local Organic Nutrients
Organic Farming Research Photo Gallery
Compost Mix Calculator
Compost Bulk Density
Earth Tub Composter
Soils & Laboratory Testing
Climate Change Part 1
Climate Change Part 2
Climate Change Part 3
Climate Change Part 4
Climate Change Part 5
Climate Change Part 6
Climate Change Part 7
Climate Change Parts 8 and 9
Climate Change Part 10
Recursos en Español
Puyallup Research & Extension Center