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侯马市是老棉区,棉田面积约5万亩。近年来,枯萎病逐年蔓延加重,93％以上的棉田感病,重病田达60％以上,产量大幅度下降,1966年以来15年平均亩产仅61斤。
Houma City is the old cotton area, about 50,000 acres of cotton area. In recent years, wilt disease has been spreading year by year. More than 93% of the cotton fields are susceptible to diseases and severe diseases are over 60%. The output has dropped dramatically. The average yield per mu of 15 years since 1966 is only 61 kg.