宝鸡县城关公社西秦大队实行科学种田,回茬玉米全部采用“明沟窝播”的方法,连年获得丰收。一九七一年种植1227亩玉米,平均亩产792.4斤。第九生产队140亩玉米,平均亩产891.5斤。一九七二年战胜干旱、低温等自然灾害,1183.9亩玉米,平均亩产777.7斤,其中有四个生产队一季跨过了长江,高产地块超千斤。西秦大队回茬玉米高产的主要措施是: 一、选用良种西秦大队遵照毛主席关于“有了优良品种,即不增加劳动力、肥料,也可获得较多的收 Baoji County Chengguan commune West Qin brigade to carry out scientific farming, stubble corn all use “Ming ditch nest sowing” method, year after year bumper harvest. In l727 acres of corn planted, the average yield of 792.4 kg. The ninth production team 140 acres of corn, average yield 891.5 pounds. In 1972, it overcame natural disasters such as drought and low temperature, while 1183.9 mu of corn produced an average of 777.7 kg of mu per mu. Among them, four production teams crossed the Yangtze River every season, and super-high-yielding plots were super-kiln. West Qin brigade crop stubble corn main measures are: First, the selection of elite brigade Xiqin comply with Chairman Mao on "With good varieties, that is not to increase labor, fertilizer, but also get more income