冀衡农场地势低洼,去年7—8月间,因天雨,全部耕地被水淹没,平地水深40—60厘米,直到播麦时,水还未脱出,拖拉机不能下地播种。为了替国家多生产粮食,吸收了群众水脱地犁勾播种经验,机务队同志,利用马拉犁杆,制成四腿密植犂勾(见图),用人工拉犂勾,播种冬小麦5,185亩(行距4.5 Ji Heng farm low-lying, last July-August last year, due to rainy day, all the arable land was flooded, the water depth of 40-60 cm, until the broadcast wheat, the water has not prolapsed, the tractor can not sow. In order to produce more grain for the country, it absorbed the plowed seeding experience of the masses. The team of commanders used the horse-plow pole to make four-legged densely-placed plow hooks (see photo). With artificial plow hooks, they sowed 5,185 mu of winter wheat (4.5 line spacing