一、杂交棉在印度棉花产量与品质改良中的作用印度是世界上主要产棉国之一,第一个在生产上种植杂交棉花的国家。全国棉田面积800万公顷(1.2亿亩),其中杂交棉面积约102.6万公顷(1539万亩),占总棉田面积12.8％。杂交棉主要种植在印度中部的马哈拉施特拉邦和古吉拉特邦及南部的泰米尔纳德邦。棉花单产低于我国、苏联和美国,而且纤维品质差,只能纺36～50支纱。印度 First, the role of hybrid cotton in India’s cotton yield and quality improvement India is one of the world’s major cotton producing countries, the first country in the production of hybrid cotton cultivation. The national cotton area is 8 million hectares (120 million hectares), of which 1,026,000 hectares (15.39 million hectares) of hybrid cotton covers an area of ​​12.8% of the total cotton field. Hybrid cotton is mainly grown in central India, Maharashtra and Gujarat, and southern Tamil Nadu. Cotton yield is lower than China, the Soviet Union and the United States, and poor quality of the fiber, only spun 36 ~ 50 yarn. India