Agronomy Library > Winter Annuals/Other

Investigation into use of Residue Managers During Direct Seeding with Double Shoot Angle Disk Openers
Author: Ag Tech Centre
Date Created: December 02, 2002
Last Reviewed: February 23, 2007

Direct seeding in fields with high amounts of residue has always been a problem for producers. Excess residue causes hair-pining of the straw which results in decreased penetration of disk openers. Hair-pinning also results in poor seed placement which decreases the crop establishment. In the past, residue managers have commonly been used in the United States to clear residue for precision planters in high value crops. The precision planter residue managers are costly and therefore are not commonly used to seed other types of crops. Manufacturers have recently designed universal cheaper types of residue managers. The new residue managers are designed for cereal, pulse and oilseed type crops to clear the residue away from the path of the opener to allow for good soil penetration, residue clearance and seed placement.

The AgTech Centre was approached by the Reduced Tillage Linkages (RTL) to test the performance of several different residue managers. RTL wanted to increase the exposure of residue managers in Alberta with hopes of more producers direct seeding in heavy residue conditions.

The AgTech Centre performed an experiment to test various types of residue managers while seeding with disk openers under different conditions. Measurements were made and analyzed. Residue managers did increase the crop emergence of wheat and canola but results were not significant. Further testing and data is needed to conclude the study.

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