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Insects thrive on GM 'pest-killing' crops
"Charles Hawtrey" wrote in message ... On Tue, 01 Apr 2003 13:00:33 +0100, wrote: rather makes a mess of the claims that GM crops were a threat to all those butterflies doesn't it Certainly not. It seems that Bt protein acts on different species in different ways. Wow, what a surprise. No one would have guessed such a thing. /sarcasm off If you want to know about Bt, a good place to start is http://helios.bto.ed.ac.uk/bto/microbes/bt.htm There are hundreds of Bt natural BT proteins and hundreds more we can take a nasty racial on to make them more effective to meet the needs of killing worms for a long time. As verities develop rotation of BT strains so less resistance is likely to happen is a real likelihood. While the rest of the word debates the benefits of BM crops We have punt in 125 acre of drip irrigation for drip irrigated no till cotton in west Texas and as soon as we get the water quality reports we will start planing our actions in south west Oklahoma. In Oklahoma we may no be able to get enough water to obtain maximum production so we will be clanged to find a program to get the most from the water with cotton, alfalfa and possibly another crop the could stager the use of water so they could all benefit some while cotton was using the most in the summer. Out farmer in Texas is making bale or better cotton with 20 inches of rain and 150 GPM on 170 acres under low evapratortoion center pivot. We put in enough water for the drip it should make 5 bales on a good year with the right weather. That way simulate amounts of water did this year did this year. We have a boll worm control program that works, Gm Cotton make the worm problem acceptable it you have to spray for a pest and kill te beneficial in mid season and not be committed to spraying all the rest of the season and the spry pilot getting the crop. And better yet it allows no till farming that almost totally stops erosion and pollution of nutrients of fertilizer, herbicide and pesticide and builds organic mater in the soil at a rate of 1 % a year. Over a period of 25 year the soils should go form less than 1/3 to over 2/3 the organic mater of virgin prairie. Over those thirty years it provides a substantial carbon sink until it reaches steady state in 30 of forty years. a much bigger contribution to reducing global warming that the Kyoto treaty would ever do if it continues to be adapted at the cut rate. There will be weeds that find a way to make it in no till by we have technology to handle them. Faming is a dynamic system and anyone that tries to do it the same way for 30 years has an auctioneer in his near future unless he has a nice stand of oilwells or stash of moldy money to support his hobby. -- Gordon Gordon Couger Stillwater, OK www.couger.com/gcouger |
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