我社坤头岭大队1973年秋天搞了110亩地的秋施肥试验(其中谷子80亩,玉米和高粱各15亩),随秋翻地将农家肥深翻入土,亩施1万斤。在邻近地段,春播时施用相同数量和质量的肥料做对照。经1974年秋天实打实测,秋施肥的玉米亩产786斤,比春施肥的亩产608斤,增产25.9％。从作物长相看,秋施肥的玉米株高(增高5厘米)、根多(每株增多15条)、穗长(增长3.2厘米)、粒重(每穗增0.04两)、秃尖少(少 Our club Kun Tau Ling brigade in the autumn of 1973 engaged in 110 acres of land fertilization test (of which 80 acres of millet, corn and sorghum each 15 acres), with the fall of the farmland turned deep into the soil, acre Shi 1 kg. In adjacent areas, the same quantity and quality of fertilizer were applied during spring seasons. After the actual measurement of the fall of 1974, autumn fertilization of corn mu produce 786 kg, 608 kg more than spring fertilization, an increase of 25.9%. From the crop perspective, autumn fertilized corn plant height (increased by 5 cm), root more (15 per plant), spike length (3.2 cm increase), grain weight (0.04 per panicle), bald tip less