绿麦隆在马铃薯土壤中的残留与迁移

Persistence and movement of chlorbromuron in potato soil.

作者信息

Ragab M T, Everett C F, Chaisson C A

出版信息

J Environ Sci Health B. 1979;14(2):181-95. doi: 10.1080/03601237909372121.

DOI:10.1080/03601237909372121

Abstract

Movement and persistence of chlorbromuron applied at rates of 1.5, 3, and 6 kg a.i./ha was studied in a New Brunswick potato soil for one growing season. Most of the chlorbromuron remained in the 0 - 2.5 cm soil depth with slight residues in the 2.5 - 5, 5 - 7.5, and 7.5 - 10 cm depths. After 47 days the chlorbromuron residues had dropped to 40%, then gradually levelled off to 25% at the end of the season. Chlorbromuron was determined directly by electron capture gas chromatography using a short glass column of 3% OV-210.

摘要

在新不伦瑞克省的马铃薯土壤中，对按1.5、3和6千克有效成分/公顷的用量施用的绿麦隆的移动性和残留情况进行了一个生长季的研究。大部分绿麦隆残留在0至2.5厘米的土壤深度，在2.5至5厘米、5至7.5厘米和7.5至10厘米深度有少量残留。47天后，绿麦隆残留量降至40%，然后在季末逐渐稳定在25%。使用装有3% OV - 210的短玻璃柱通过电子捕获气相色谱法直接测定绿麦隆。

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