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Tillage Systems and Equipment for Dryland Farming

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Advances in Soil Science

Part of the book series: Advances in Soil Science ((SOIL,volume 13))

Abstract

Tillage is performed for the purposes of controlling weeds, insects, and diseases; improving the soil’s physical condition by destroying compacted plowpans or other dense layers; incorporating fertilizer, herbicide, and plant residues; conserving soil and water; and preparing a seedbed. Although tillage has many advantages, it also has disadvantages such as tending to destroy soil structure, burying surface residues, and increasing evaporation from the tilled zone. The latter problem is particularly important in dryland farming, which is defined as farming that requires cropping practices including adaptations to soil water deficiency during the growing season (Cannell and Dregne, 1983). Dryland tillage practices should be aimed at (1) conserving the maximum amount of water possible in the root zone during noncrop periods and (2) creating a seedbed that allows the crop to be established at the optimum time to use the limited water supply efficiently.

Contribution from the USDA-Agricultural Research Service, Conservation and Production Research Laboratory, RO. Drawer 10, Bushland, Texas 79012.

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  1. O. R. Jones
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  2. R. R. Allen
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  3. P. W. Unger
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Editors and Affiliations

  1. Indian Council of Agricultural Research, Hyderabad, 500659, India

    R. P. Singh

  2. USDA Agricultural Research Service, Beltsville, Maryland, 20705, USA

    J. F. Parr

  3. USDA Conservation & Production Laboratory, Bushland, Texas, 79012, USA

    B. A. Stewart

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Jones, O.R., Allen, R.R., Unger, P.W. (1990). Tillage Systems and Equipment for Dryland Farming. In: Singh, R.P., Parr, J.F., Stewart, B.A. (eds) Advances in Soil Science. Advances in Soil Science, vol 13. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-8982-8_5

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