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Browsing by Subject "Cover crops -- Oregon"
Now showing items 1-19 of 19
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(Corvallis, Or. : Extension Service, Oregon State University, 1998-01)Annual ryegrass is an erect, robust cool-season bunch grass that reaches a height of 3 to 4 feet. Plants are yellowish-green at the base and have 12-inch long glossy leaves. This species has a heavy, extensive, fib ...
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(1995-05-16)The contamination of ground water resources represents a serious problem and a prominent threat to the health of our society. This study focuses on the leaching of inorganic anions as a function of agricultural practi ...
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Barley, oats, triticale, wheat (Hordeum vulgare, Avena sativa, Triticosecale X, Triticum aestivum) (Corvallis, Or. : Extension Service, Oregon State University, 1998-01)Cereal grains are grasses and may have a prostrate, semierect, or erect physical stature. All have fibrous root systems. Barley, oats, triticale, and wheat are each comprised of hundreds of varieties whose growth c ...
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(Corvallis, Or. : Extension Service, Oregon State University, 1998-01)Buckwheat is not likely to increase soil organic matter content much because dry matter production is relatively low and tissues are succulent and decompose very rapidly when incorporated. However, buckwheat can im ...
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(Corvallis, Or. : Extension Service, Oregon State University, 1998-01)Common vetch is a viny, succulent, annual legume attaining a height of 24 inches when planted alone. It grows taller when planted with a tall companion crop that provides structural support for climbing.
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(Corvallis, Or. : Extension Service, Oregon State University, 1999-10)Cover crop selection and management depend on many factors, among them the cover crop’s ability to accumulate dry matter (i.e., residues) and nitrogen (N). Dry matter provides energy for soil organisms, contributes ...
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(1998-05-07)Nitrogen availability in agricultural soils from fertilizer, plant residue inputs, and soil organic matter has important implications beyond crop yield. Legume winter cover crops and one fourth the recommended N rate on ...
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(Corvallis, Or. : Extension Service, Oregon State University, 1994-09)Cover crops planted in late summer are an inexpensive way to build better soil for gardening. Cover crops often are called green manure crops. They are grains, grasses, or legumes that will grow during fall and winter a ...
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(Corvallis, Or. : Extension Service, Oregon State University, 1998-01)Crimson clover may be used as a cover crop, green manure, pasture, or hay. It often is used as a winter annual cover crop in annual rotations. It has been used successfully in reduced-tillage farming systems, and i ...
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(Corvallis, Or. : Extension Service, Oregon State University, 1998-01)Fava bean is used as a winter or spring cover crop, green manure, silage, forage, hay, and vegetable. It is capable of producing large amounts of dry matter and accumulating large quantities of nitrogen (N), part o ...
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(Corvallis, Or. : Extension Service, Oregon State University, 1998-01)Hairy vetch is used as a cover crop, green manure, pasture, silage, and hay. It is capable of accumulating large amounts of dry matter and nitrogen. When planted alone as a winter cover crop in annual vegetable rot ...
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(1997-09-12)Field and greenhouse experiments were conducted in 1996 and 1997 to evaluate the effects of integrating conservation tillage and cover cropping on broccoli production as well as agroecological parameters. A field expe ...
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(Corvallis, Or. : Extension Service, Oregon State University, 1998-01)Rapeseed is grown for its oil and meal, and as a cover crop. Rapid fall growth captures part of the available soil nitrogen, which otherwise might be lost to leaching, and provides good ground cover over winter.
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(Corvallis, Or. : Extension Service, Oregon State University, 1998-01)Red clover is used successfully in Oregon as a fall-planted cover crop and green manure in rotations with vegetable crops.
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(Corvallis, Or. : Extension Service, Oregon State University, 1998-01)Subclovers are used for forage and hay and have been used successfully in Oregon as fall-planted and relay interplanted cover crops in annual rotations. They are capable of accumulating substantial amounts of N, a ...
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(Corvallis, Or. : Extension Service, Oregon State University, 1998-01)Sudangrass and sorghum sudangrass crosses are used as warm season cover crops, forage, and silage. When used as a cover crop, their fibrous roots and organic matter contributions improve soil structure; and their r ...
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(Corvallis, Or. : Extension Service, Oregon State University, 1998-01)
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(1991-01-11)Three experiments whose objectives were to investigate cover crop kill by winter freeze, weed suppression by 'Micah' barley and other spring cereals, and allelopathic potential of cereal covers were conducted at the V ...
Now showing items 1-19 of 19
