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我社腾房身大队去年在502亩耕地上施氨水30吨,粮食获得了丰收,单产过了“长江”。做法是: 1.做口肥:粮谷作物播种时每亩施40～50斤氨水做口肥,同时施
Last year, our company Teng Fang brigade applied 30 tons of ammonia on 502 mu of cultivated land. The grain gained a bumper harvest and the yield went through the “Yangtze River.” Practices are: 1. To make fat: Grain crops sown 40 ~ 50 pounds per mu ammonia fertilizer to make fat, while Shi