论文部分内容阅读
分析了商丘１９５５～１９８８年３４年气象资料和大白菜生长特性，得出商丘郊区大白菜最佳适播期和收贮期。经推广使用，社会和经济效益十分显著。
The climatic data and the growth characteristics of Chinese cabbage in Shangqiu from 1955 to 1988 were analyzed. The optimum sowing date and storage period of Chinese cabbage in Shangqiu suburbs were obtained. Promote the use of social and economic benefits are significant.