When it comes to selecting the critical traits found with hybrids which perform best under various tillage systems, farmers attending the 1998 National No-Tillage Conference in Indianapolis, Ind., cited significant differences.
Yield responses from ultra-narrow-row corn are no great miracle, says Bob Nielsen. The Purdue researcher, who was already conducting narrow-row corn studies in the 1980s, says these responses are a simple matter of crop canopy management.
Higher fertility, narrow rows, soil-testing changes, higher plant populations, insect-resistant hybrids, yield monitors, soil additives and no-tilling corn into wheat stubble were among the unique ideas used by the top finishers in the three no-till categories in the 1997 yield contest conducted by the National Corn Grower’s Association.
On droughty soils in the southeastern region of the country, agronomists are suggesting a continuous double-crop no-till rotation. Many growers plant small grain followed by soybeans and then rotate to corn or cotton the following year.
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On this edition of Conservation Ag Update, brought to you by CultivAce, Gregg Sanford, Wisconsin Integrated Cropping Systems Trial manager, reveals how no-till is stacking up to other major systems in year 34 of the trial.
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