WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Thursday, September 20, 2018

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2349. Hae, F.K.. 1981. Climate's impact on food supplies: Can it be identified?. L.E. Slater and S.K. Levin (eds.). Climate's impact on food supplies. p. 9.

2617. Hill, K.W.. 1954. Wheat yields and soil fertility on the Canadian prairies after a half century of farming.. Soil Sci. Soc. Am. Proc. 18:182-184.
T: soil properties X rotation; wheat yields X time

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