WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Tuesday, September 25, 2018

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8448. Willis, H.. 1990. Wheat - the staff of life.. Acres USA, May 1990, p. 11-14.
The best long-term way to control weeds is to get soil nutrients into balance, with relatively high calcium and phosphorus, and low potassium levels. Soaking seeds in hydrogen peroxide solution for 8 hours should increase germination rate. A general foliar feed recipe is given consisting of 1 qt. liquid phosphoric acid, 1 gallon household ammonia, and 2 gallons liquid fish emulsion. A refractometer can be used to monitor crop health. For growing wheat, use sap from the second and third newest leaves. Later, use the flag leaf. A sugar reading of about 18% or above is good. Readings over 25% are excellent and below 8% poor.

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