Abstract
SynopsisUnder field conditions, effects of stubble mulch tillage implements on soil cloddiness varied widely from year to year. During initial tillage, 2‐inch chisels, 32‐inch sweeps, and a one‐way disk operated 4 inches deep produced a more cloddy soil surface than a rodweeder with shovels, an 8‐foot V‐sweep, or a one‐way disk operated 2 inches deep. During subsequent tillage, a given implement increased or decreased cloddiness depending on type of previous tillage and soil moisture at time of tillage.
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