焦作地区大白菜栽培历史悠久,是冬春季节供应的主要蔬菜。 从1959年至1981年,我们曾多次总结了大白菜的丰产经验并进行了长期的小型试验研究。现将调查研究的情况总结于下: 一、温度,光照和雨量 对大白菜产量的影响 大白菜有无收成和增产多少与天气变化有着直接的关系。我们通 Jiaozuo cabbage cultivation has a long history, is the winter and spring supply of the main vegetables. From 1959 to 1981, we have repeatedly summed up the rich experience of Chinese cabbage and carried out long-term small-scale experimental studies. Now the investigation and study of the situation summarized in the following: First, the temperature, light and rainfall on the yield of Chinese cabbage with or without harvest and increase the number of weather changes have a direct relationship. We pass