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梨树密植栽培占地少、结果早,管理方便,单位面积产量高,是一个多快好省地发展果树生产的好办法。在中共聊城地委、山东农学院党委和中共冠县县委领导下,由七个单位组成协作组,按照独立自主、自力更生的精神,于1972年春开始,在冠县唐寺苗圃冲积滩地平原利用乔化砧(杜梨),以鸭梨为主栽品种,进行了梨树高度密植丰产技术研究.1974年开始见果,1975年这些4年生梨树,亩产8711.6斤,单株平均结果18.98
Pear dense planting less land occupation, early results, easy management, high yield per unit area, is a good way to develop fruit trees more quickly and economically. Under the leadership of the CPC Liaocheng prefectural committee, Shandong Agricultural College Party Committee and the CPC Central Committee of the CPC County Committee, the seven units formed a cooperation group. In the spring of 1972, according to the spirit of independence and self-reliance, Anvil pear (Pear), with pear-based varieties, pear highly density planting technology research began in 1974 see fruit, 1975 4-year-old pear tree, 8711.6 kg per mu, the average single plant results 18.98