Lianzibu , industrial use cloth , textiles and raw materials ( unginned cotton , silk cocoons , with the exception of dangerous goods ) production and marketing 帘子布、产业用布、纺织品及原料（籽棉、蚕茧、危险品除外）生产、销售。
4.
Results showed that compared with cdi , seed cotton yield under adi increased by 21 . 1 % with total water use efficiency and irrigation water use efficiency being improved by 17 . 9 % and 20 . 9 % , respectively 根系分区交替滴灌技术在大田条件下可使籽棉产量比常规滴灌处理提高21 . 1 % ，总水分利用效率和灌溉水利用效率分别提高17 . 9 %和20 . 9 % 。
5.
That machine passes to stab the nail primarily to the seed cotton in line up miscellaneous the stroke on the net , tie the seed cotton loose and threw away seed cotton small impurities and dust , to change the external appearance condition , in order to spend in the stranding 三辊清花机该机主要通过刺钉对籽棉在排杂网上的打击，将籽棉打松并去掉籽棉中细小杂质和尘土，以改变外观状态，以便于轧花。
6.
Inspected from bt cotton planting area of china from 1997 - 2001 , due to bt cotton adoption , it ' s estimated that the increment in cotton production is totaly 798 thousand ton , equivalent to 2630 million yuan in output value ( the cotton price is average cotton price of china ) . the decrements in pesticides use in these 5 years were respectively 0 . 1 ( thousand ton ) , 0 . 3 , 14 . 7 , 31 . 4 and 51 . 8 利用以上研究结果以及1997 2001年全国bt抗虫棉的播种面积，我们推算出bt棉推广的总影响，由于该作物的推广，全国5年累计增加棉花产量79 8万吨，相当于增加棉花产值26 3亿元（籽棉价格按全国每年的平均价格计算） 。
