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河北省香河县潮白河以北蒋辛屯、梁家务、钱旺村3个乡的5万亩小麦1987～1989年3年平均亩产212公斤。1991年3个乡56个村种植5.105万亩小麦,平均亩产292.75公斤,比前3年亩增80.75公斤,比1990年亩增38公斤,其中有22亩亩产超过500公斤,最高的亩产537.55公斤。主要经验有以下几点:一、改革种植方式即改小畦为大畦,减少畦埂数,扩大小麦种植面积。1988年以前3个乡与全县其
Hebei Province Xianghe Chaobai River north of Jiang Xin Tuen, Liang House, Qian Wangcun 3 township of 50000 acres of wheat from 1987 to 1989 average annual output of 212 kilograms in three years. In 1991, 5 105 hectares of wheat were planted in 56 villages in 3 townships, with an average yield of 292.75 kilograms, 80.75 kilograms more than the previous 3 years and 38 kilograms more than the mu in 1990, of which 22 mu were more than 500 kilograms per mu and the highest was mu Production 537.55 kilograms. The main experience has the following points: First, the reform of cultivation methods that change the small 畦 as large 畦, reduce the number of 畦 扩, expand wheat acreage. Before 1988 three townships and the county