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山药营养丰富,价值高。为提高棉田综合效益,增加棉农收入,充分利用山药在棉田不增肥,不引虫,抗病虫害等特性。合理利用棉田空间和棉花采收期的空间、时间。1999年我场分别在棉花良繁基地拦江8、9村,保石1村,水井1、9村示范棉地套种山药54.6公顷。据1999年9月10日测产,皮棉产量
Yam nutrient-rich, high value. In order to improve the comprehensive benefits of cotton fields, increase the income of cotton farmers, make full use of yam does not increase fertilizer in the cotton field, no insects, pests and other characteristics. Reasonable use of cotton space and cotton harvest space, time. In 1999, our field respectively covered 54.6 hectares of intercropping yam in demonstration cotton fields in villages of 8,9 and 8 villages in Liangjiang and Fanzan, respectively. According to September 10, 1999 measured output, lint yield