WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Friday, April 27, 2018

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Browse on keywords: fertility no-till fertilizer placement

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Search results on 04/27/18

2043. Fowler, D.B. and J. Brydon. 1989. No-till winter wheat production on the Canadian prairies: placement of urea and ammonium nitrate fertilizers.. Agron. J. 81:518-524.
A practical snow management system, which utilizes no-till seeding into standing stubble immediately after harvest, has permitted expansion of winter wheat production in western Canada. This study examined grain responses to urea and ammonium nitrate fertilizer banded and broadcast at seeding, or broadcast in the late fall or early spring. A moisture shortage biased the results. Fall banding prior to seeding helped reduce volatilization losses of urea (which were as much as 50%), but presented other problems and did not outperform broadcast ammonium nitrate.

9715. Parsons, B.C. and F.E. Koehler. 1983. Fertilizer use by spring wheat as affected by placement.. Proceedings 35th Annual Northwest Fertilizer Conference, Pasco, Washington, July 17-18. p. 101-106..
High rates of soil erosion are a problem in the steep, dryland wheat producing areas of eastern Washington. Reductions in soil productivity have been measured as the result of top soil loss. One possible reason for lower yields in no-till is the less efficient use of applied fertilizer-N. With residues concentrated on or near the surface in no-tilled soil, decomposition is slower than would be expected if the residue was incorporated.

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