http://ricehoppers.net/2010/01/thailand-cuts-second-crop-rice-output-forecasts-by-16-because-of-bph-and-water-shortage/ Mon, 02 Apr 2012 10:36:28 +0000 hourly 1 http://wordpress.org/?v=3.3.2 http://ricehoppers.net/2010/01/thailand-cuts-second-crop-rice-output-forecasts-by-16-because-of-bph-and-water-shortage/comment-page-1/#comment-2443 KL Heong Sat, 18 Sep 2010 02:29:20 +0000 http://ricehoppers.net/?p=1426#comment-2443 Planthoppers become problems because of unnecessary use of insecticides especially in the early crop stages. Countries like Vietnam, China and Thailand are experimenting with the use of ecological engineering techniques to restore predator and parasitoid biodiversity and their functions to reduce risks of BPH multiplying to outbreak proportions. Planthoppers become problems because of unnecessary use of insecticides especially in the early crop stages. Countries like Vietnam, China and Thailand are experimenting with the use of ecological engineering techniques to restore predator and parasitoid biodiversity and their functions to reduce risks of BPH multiplying to outbreak proportions.

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