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Bulletin

Abstract

Tests on 12 cooperative soil experiment fields on the Carrington loam in various counties indicate that the Iowa system of soil management is applicable to that soil and that the various treatments suggested are of definite value.

The Carrington loam is usually adequately drained, but in any areas where the drainage is poor, tiling is the first treatment needed to make such areas satisfactorily productive.

The proper cultivation of the soil is essential for the best growth of general farm crops. As the production of available plant food depends to a large extent upon cultivation, this affects crop yields materially.

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