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By: Claudio Rubione & Mark VanGessel Starting weed-free (also known as “starting clean”) means planting into fields without emerged weeds, which provides the crop with the best chance to establish early and compete with weeds. So why exactly is starting weed-free so important? Weeds can increase their competitiveness if they are present at planting. Earlier emerging weeds are likely to capture more light, water, and nutrients than later emerging plants.
By: Claudio Rubione & Mark VanGessel Starting weed-free (also known as “starting clean”) means planting into fields without emerged weeds, which provides the crop with the best chance to establish early and compete with weeds. So why exactly is starting weed-free so important? Weeds can increase their competitiveness if they are present at planting. Earlier emerging weeds are likely to capture more light, water, and nutrients than later emerging plants.
Herbicide-resistant weeds have resulted in the loss of effective herbicides and has forced farmers to seek alternative strategies. Australian farmers have developed harvest time weed seed control strategies targeting plants that survive weed control tactics used earlier in the growing season. Chaff lining is one of the lowest-cost, simplest approaches and consists of separating the chaff from the straw when harvesting the cash crop and leaving the chaff in a narrow row behind the combine.
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