天津市西郊区木厂公社当城大队位于津西子牙河衅,橫跨莲花淀、东淀两个大洼,是个有16300亩耕地,28个生产队,6300口人的大村队。80%以上的粮田集中在瘠薄、漏水、漏肥的东淀大洼里,产量一直很低。1978年以后,认真总结了本队灾害多、肥力差、产量低的生产现状,学习了外地的增产经验,下决心 Located in the Jinya Xikouya River Delta, the brigade of the Muchang Commune in the western suburbs of Tianjin is located in Dadu, a large village with 16,300 mu of cultivated land, 28 production teams and 6,300 people. More than 80% of the grain fields are concentrated in barren, leaking and fat-leaking Dong-da Dawa, and the output has been very low. After 1978, the team made a serious summation of the production status quo of the disaster-prone, poor-fertility and low-yielding production of the team, learned the experience of increasing production in the field, and determined