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Paul Cross and Gareth Edwards-Jones Variation in pesticide hazard from vegetable production in Great Britain from 1991 to 2003 Pest Manag Sci 62:1058¨C1064 (2006) ÄÏ¿ª´óѧÓÐ×ÅÁ½¸ö×÷Õߣ¿ËûÃǺÃÏñÊÇÓ¢¹úµÄ£º School of Agricultural and Forest Science, University of Wales, Bangor, Gwynedd, North Wales LL57 2UW, UK |
2Â¥2007-04-21 22:59:41
3Â¥2007-05-19 00:11:55
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