多快好省地繁育果树优良苗木,是果树示范场的“四出”任务中的主要一项。为了更好地完成这一任务,多年来,我们对果树育苗技术进行了实验研究和大面积生产实践,有成功的经验,也有失败的教训。在应用科学实验成果和总结生产实践的经验和教训的基础上,一九七七年我们进行了大面积果树育苗生产,砧木播种面积达60亩,共得 How fast and well to breed fine seedlings of fruit trees, fruit trees demonstration field is the “four” task in the main one. In order to accomplish this task better, over the years, we have conducted experimental research and large-scale production practices on seedling raising techniques for fruit trees, with successful experiences and failed lessons. Based on the application of scientific experiments and lessons learned from production practices, we conducted a large-scale fruit tree nursery production in 1977 with an acreage of 60 mu