WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Thursday, March 22, 2018


Browse on keywords: tillage nitrogen fixation

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Search results on 03/22/18

690. Bear, F.E.. 1931. Soil management.. J. Wiley, N.Y..
A fairly complete text on soil management - fertility, tillage, organic matter, fertilizers; describes proper plow, moisture content, and depth to improve soil tilth; describes weeds as a potential cover crop; field study in England - free living N fixers input ~44 lb/ac/yr (est.). Azotobacter critical pH = 6.4.

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