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Winter Wheat Planting in Standing Stubble
Several methods can be used to provide snow cover. It is suggested that winter wheat by seeded directly into flax, barley, mustard, sunflower, or other standing crop residues left to catch the snow. Seeding into wheat or durum stubble will increase the risk of some diseases, but even this practice is often preferred to seeding into clean-tilled fields. Grain stubble from no-till or chemical fallow fields should be left at least 6 inches tall to obtain the minimum snow cover required. Row crop stubble height should be at lease 30 inches and at right angles to prevailing winds if possible. Follow the herbicide recommendations listed under the weed control section of the circular to suppress winter annual grasses and broadleaf weeds or volunteer grains. The use of a no-till disc or hoe drill or an air seeder is recommended for stubble seeding. Chaff and straw spreaders attached to the combine should be used to reduce interference with seeding and stand establishment. Light harrowing can be done to provide additional straw scatter. Double harrowing or severe harrowing can easily flatten the stubble and increase the risk of winter injury.
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