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去年11月底,我到武汉市蔡甸区棉花原种场考察,种有4公顷多棉花的棉农蒋涛对我说,前年他家棉田全是种的一个刚刚国审的杂交抗虫棉花新品种,单产(667平方米产量,下同)子棉有250多千克,去年也是种的这个品种,单产子棉只有240多千
At the end of November last year, I went to investigate the original cotton field in Caidian District of Wuhan City. Jiang Tao, a cotton farmer with 4 hectares of cotton, told me that the year before last year, all cotton fields in his home were all newly planted varieties of a new insect- Yield (667 square meters of production, the same below) more than 250 kg of cotton seed, last year is also planted this species, yield of cotton is only 240 thousand