WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Monday, January 22, 2018

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9642. Havlin, J.L., A. Radhouani, A.J. Schlegel and J. Zupancic. 1988. Phosphorus fertilization for dryland wheat in western Kansas.. Kansas Fertilizer Research p. 21-26.
Field research was initiated to evaluate the influence of phosphorus rate and placement on winter wheat production in western Kansas. The primary objectives were to (1) calibrate commonly used phosphorus soil tests; (2) evaluate P rate x placement interaction; (3) establish the optimum soil sampling depth for phosphorus; and (4) evaluate the influence of soil sampling method or scheme on soil test P and fertilizer P recommendations on fields where P has been band applied.

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