论文部分内容阅读
参加此项开发工作的还有张文钵、赵锦富、陈金戒指伟、石景光 山东省阳信县现有鸭梨6万亩,由于新建果园多,管理水平差别较大,产量普遍较低,1989～1991年进行了鸭梨大面积丰产优质技术开发1.2万亩,1991年平均亩产2783.6kg,较开发前亩增1306.2kg,好果率由72%上升到87%,三年累计总
Zhang Wenbo, Zhao Jinfu, Chen Jingjuan, Shi Jingguang are now involved in this development project. There are 60,000 mu of pear in Yangxin County, Shandong Province. Due to the large number of new orchards, the management level is quite different and the output is generally low. 1989 In 1991, 12,000 mu of large-yield, high-quality and technical development of pear was produced. In 1991, the average mu yield was 2783.6 kg, 1306.2 kg more than that before the development, and the good fruit rate increased from 72% to 87%