Effect of neem cake on persistence of diazinon and endosulfan in paddy soil

被引:0
|
作者
Akhtar, S [1 ]
Misbahuddin [1 ]
Siddiqui, PMH [1 ]
Baloch, UK [1 ]
机构
[1] Pakistan Agr Res Council, Trop Agr Res Inst, Pesticide Res Lab, Karachi 75270, Pakistan
来源
PESTICIDE SCIENCE | 1998年 / 52卷 / 03期
关键词
neem cake; insecticide; diazinon; endosulfan; persistence; soil;
D O I
暂无
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Experiments were carried out to study the influence of two types of neem cake (solvent-extracted, NC-I and expeller-extracted, NC-II) on the persistence in soil of diazinon and endosulfan applied as commercial formulations. It was found that both types of neem cake applied at 10, 20 or 30 g ha(-1) prolonged the period of degradation as compared with soils without neem cake amendment, and hence increased the persistence of the insecticides. There was little difference in the effect of the two types of neem cake. Treatment of the soil with insecticide 10 days after amendment with neem cake did not lead to any increase in persistence; for a good response, treatment of soil with insecticide and with neem cake must be done at the same time. (C) 1998 SCI.
引用
收藏
页码:218 / 222
页数:5
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