WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Monday, October 22, 2018

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5030. Papendick, R.I.. 1984. Soil conservation and management in the Palouse. p. 234-244.. IN: B.R. Bertramson (ed.). History of the Dept. of Agronomy and Soils, WSU, Pullman, WA.
An historical overview.

5899. Rodman, A.W.. 1988. The effect of slope position, aspect, and cultivation on organic carbon distribution in the Palouse.. MS Thesis, Dept. of Agronomy & Soils, WSU, Pullman, WA.
Soil organic carbon (OC) was studied at 4 sites, native and cultivated. At the native site aspect had the greatest influence on OC levels. At the cultivated site OC distribution is due to water and tillage erosion. All topsoil had been eroded from south slopes. Perennial grass rotations had added OC above and below the surface while reducing OC loss from erosion and oxidation. Strip cropping and uphill plowing resulted in a greater depth of OC. T: Average surface organic carbon values by slope position.

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