WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Wednesday, January 17, 2018

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Search results on 01/17/18

5667. Rasmussen, P.E. and D.E. Wilkins. 1987. Winter wheat response to lime in a wheat-pea rotation.. OR Agr. Expt. Sta. Special Report 797, p. 31.

5675. Rasmussen, P.E. and D.E. Wilkins. 1988. Green pea response to lime in a wheat-pea rotation.. OR Agr. Expt. Sta. Special Report 827, p. 43.

7066. Vandecaveye, S.C. ad S. Anderson. 1934. Longevity of Azotobacter in soils treated with lime and superphosphate.. J. Am. Soc. Agron., 26:353-364.
Few Azotobacter in soils below pH 6.0, according to early studies; need several thousand colonies per gram of dry soil to get appreciable N fixation: liming increased Azotobacter in acid soils; phosphorus addition had no effect; large seasonal fluctuation in Azotobacter; highest numbers in spring and fall. T: Seasonal Azotobacter changes; effect of pH, lime, P.

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