the South's rural labor force dwindled during the World Wars. Archived (PDF) from the original on 27 September 2013. Archived from the original on Retrieved 20 September 2016. (Conventional brinjal farmers can spray 140-180 times during the season.) Pesticide residues will therefore be much lower on the Bt brinjal crop. 72 Some studies, in contrast, claim that the toxins do not persist in the soil. Kiva, the Journal of Southwest Anthropology and History. This cotton is used mainly for underwear, stockings, and gloves. In this era the slogan "Cotton is king" characterized the attitude of the South toward this monocrop. In general, these conditions are met within the seasonally dry tropics and subtropics in the Northern and Southern hemispheres, but a large proportion of the cotton grown today is cultivated in areas with less rainfall that obtain the water from irrigation. 101 A subsequent large-scale study, in 2005, failed to find any evidence of genetic mixing in Oaxaca. 20 The Cry toxin is then inserted into the insect gut cell membrane, paralyzing the digestive tract and forming a pore.
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Yutin N, Koonin EV (March 2012). 54 However, a 2009 study by the Chinese Academy of Sciences, Stanford University and Rutgers University refuted this. Kathage,.; Qaim,. 64 In the United States, organic cotton plantations are required to enforce the National Organic Program architecture thesis parimetric design (NOP). 66 Pests and weeds Main article: List of cotton diseases The cotton industry relies heavily on chemicals, such as herbicides, fertilizers and insecticides, although a very small number of farmers are moving toward an organic model of production, and organic cotton products are now available. "Midgut bacteria required for Bacillus thuringiensis insecticidal activity".
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