主题:【求助】REI是什么意思

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cyd_2002
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最近阅读 农残相关文献 提到比较多的 简写 有"PHI"  还有“REI”  PHI还可以理解 安全间隔期 那rei 表示什么呢 麻烦赐教
http://www.umassvegetable.org/soil_crop_pest_mgt/disease_mgt/squash_winter_downy_mildew.html

这里有提到REI

Fungicides with mefenoxam (Ridomil Gold Bravo, Ridomil Gold Copper, Group 4) are highly effective but more at-risk for resistance than fungicides mentioned above. Ridomil Gold Bravo applied at 2 lb/A will cost $34/A. PHI is 5 days. REI is 48 hours.

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我在故我思
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Restricted Entry Interval(REI):
the period of time after a field is treated with a pesticide during which restrictions on entry are in effect to protect persons from potential exposure to hazardous levels of pesticide residues.
hujiangtao
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wengjx1980
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