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首页> 外文期刊>Weed technology >Rate and Time of Bentazon/Atrazine Application for Broadleaf Weed Control in Corn (Zea mays)
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Rate and Time of Bentazon/Atrazine Application for Broadleaf Weed Control in Corn (Zea mays)

机译：Bentazon / Atrazine防治玉米阔叶杂草的速率和时间

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摘要

The effects of herbicide-adjuvant combinations and times of application on weed density and corn yield were determined in a 3-yr field study. At a given rate and time of application of bentazon/atrazine, Assist and Merge were equally effective adjuvants. Assist would be the adjuvant of choice for bentaon/atrazine rather than Merge because of its currently lower cost. Weed density depended on the rate and time of application of bentazon/atrazine. In general, bentazon/atrazine applied at early stages (7 d after emergence) of the development of corn seedlings or at high or intermediate rate (1.6 or 0.8 kg ai/ha) maintained low weed densities, with a relatively small range of variation over years.
机译：在为期3年的田间研究中确定了除草剂-佐剂组合和施用时间对杂草密度和玉米产量的影响。在给定的苯达松/阿特拉津施用量和施用时间下，Assist和Merge是同等有效的佐剂。辅助剂将是苯达通/ at去津的首选佐剂，而不是合并剂，因为它目前的成本较低。杂草密度取决于苯达松/阿特拉津的施用量和施用时间。通常，在玉米幼苗发育的早期（出苗后7 d）或以高或中等速率（1.6或0.8 kg ai / ha）施用苯达松/阿特拉津时，杂草密度保持较低，且在整个变化范围内变化相对较小年份。

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