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Stubble Mulching With Various Types of Machinery¹

ABSTRACT

Stubble-mulch farming has been recognized as the simplest and surest way of preventing wind erosion in the Great Plains. Maintaining residues for adequate soil protection while controlling the weeds and preparing the seedbed has been a major problem in a stubble-mulch program. Reduction of surface residues should be held to a minimum unless they are excessive. Tillage and planting tools have various characteristics in their ability to conserve or reduce residues, to work in heavy residues, to control weeds, to penetrate the soil and keep the soil in good tilth for proper germination and plant growth. Satisfactory stubble-mulch tillage equipment is now available from major implement companies. The correct machines can be selected by making an inventory of the residues at the beginning of the tillage season, and by determining the amount of residues necessary to protect a given piece of land. With proper equipment, knowledge and ability, a year-round system of managing plant residues can be used in which all tilling, planting, cultivating, and harvesting operations are performed to keep a constant protective cover on the land.

¹ Contribution from the Box Butte Exp. Sta., Alliance, Nebr., and the Department of Agronomy, Nebraska College of Agriculture, with the Soil and Water Conservation Research Division, ARS, USDA cooperating. Presented before Div. VI, Soil Science Society of America, Nov. 19, 1959, at Cincinnati, Ohio. Published with the approval of the Director as paper No. 1008, Journal Series, Nebraska Agr. Exp. Sta.

² Extension Agronomist, Nebraska Agr. Extension Serv.

Received for publication January 18, 1960. Accepted for publication May 12, 1960.