lost cost meaning in English

白费的成本

Because of decrement in pesticide use , from 1999 - 2001 , the poisoning probability caused by pesticides use for farmers who plant bt cottonseeds is respectively 17 % , 22 % and 4 % lower than those who plant non - bt cottonseeds , with an average number of 11 % in this three years . meanwhile , bt cotton planting farmers in yellow river watershed and changjiang river shed saved 48 . 4 yuan and 107 . 8 yuan per time in pesticide and wage losing cost , with the average of 68 in sample areas
中冈农业和学院博卜学泣论文中英义摘芙山于农户大幅度减少了衣药投入， 1999 2001年调查的种植bt抗虫棉的农户发生农药中毒的概率分别要比种植非bt棉的农户低17见2肌和4 “三年总平均要低11以同时按照样本所在棉区计算的bt棉种植农户相应节约的农药和误工费用分别为黄河流域棉区48