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Weed Management Strategies for Conservation-Tillage Sunflower (Helianthus annuus)

机译:保护性耕作向日葵(Helianthus annuus)的杂草管理策略

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We compared applications of trifluralin or ethalfluralin granules incorporated with a sweep plow or pendimethalin (ec) applied without incorporation to incorporating trifluralin (ec) by tandem-disk harrowing for sunflower production. The study was established in winter wheat stubble at three sites in the northern and central Great Plains. Crop residues on the soil surface following sunflower planting was greater than 30% (level required to protect soil from erosion) with all conservation-tillage strategies, but not with disk incorporation. Weed control and sunflower seed yield with conservation-tillage strategies were similar to the disk incorporation practice, demonstrating that producers can use these strategies for sunflower production and to protect soil from erosion.
机译:我们比较了三氟拉林或乙氟拉林颗粒与清扫犁或二甲戊乐灵(ec)结合使用而未结合的应用与通过串联圆盘耙将三氟拉林(ec)结合用于向日葵生产的应用。该研究是在大平原北部和中部三个地点的冬小麦茬上进行的。在所有保护性耕作策略下,向日葵种植后土壤表面的农作物残留量均大于30%(保护土壤免遭侵蚀所需的水平),但与圆盘结合时则不然。采用保护性耕作策略的杂草控制和向日葵种子产量与圆盘结合做法相似,表明生产者可以将这些策略用于向日葵生产并保护土壤免受侵蚀。

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