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首页> 外文期刊>Pesticide Research Journal >Plant Available Phosphorus and Total Phosphorus as Affected by Diazinon,Imidacloprid and Lindane Treatments in Groundnut Field
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Plant Available Phosphorus and Total Phosphorus as Affected by Diazinon,Imidacloprid and Lindane Treatments in Groundnut Field

机译：花生田中地嗪农，吡虫啉和林丹处理对植物有效磷和总磷的影响

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摘要

Plant available phosphorus and total phosphorus were determined in insecticide-treated groundnut(Arachis hypogaea L)fields between July and November for three consecutive years(1997-1999).Diazinon was applied for both seed-and soil-treatments.However,imidacloprid and lindane were used for the seed treatments.An average half-life(t_(1/2))of diazinon in seed-and soil-treated fields was 29.3 and 34.9 days,respectively,its residues were detected till 60 days in both cases.In diazinon seed-treated field,available phosphorus more or less not affected;while,total phosphorus decreased and increased alternatively between 15 and 120 days.However,diazinon soil treatment indicated significant decrease in available phosphorus with more or less similar alternative changes in total phosphorus.Imidacloprid and lindane persisted till 90 and 120 days with average half-lives(t_(1/2))of 40.9 and 53.3 days,respectively.In imidacloprid seed-treated field,available phosphorus increased significantly from 30 to 90 days;whereas,no effect on total phosphorus was found.However,lindane seed treatment indicated significant increases in available phosphorus and decreases in total phosphorus during 30 to 120 days.
机译：连续三年（1997-1999）在7-11月间对杀虫剂处理过的花生（Arachis hypogaea L）田地中的植物有效磷和总磷进行了测定。地亚农用于种子和土壤处理，但是吡虫啉和林丹在种子和土壤处理过的田间，二嗪农的平均半衰期（t_（1/2））分别为29.3和34.9天，两种情况下均检测到60天的残留量。二嗪农种子处理过的田间，可用磷或多或少没有受到影响;同时，总磷在15到120天之间交替减少和增加。但是，二嗪农土壤处理表明有效磷显着减少，总磷替代变化大致相同。吡虫啉和林丹持续到90和120天，平均半衰期（t_（1/2））分别为40.9和53.3天。在吡虫啉种子处理田中，有效磷从30显着增加。到90天;对总磷没有影响。但是，林丹种子处理表明在30到120天内有效磷显着增加而总磷减少。

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