河南省群众利用肥水灌溉面积现已达4.8万亩,今年浇麦3.5万亩;肥水开发利用较早的新乡地区,灌溉面积已达3万余亩。温县赵堡公社,文化大革命前肥水还只是少量利用,现在已发展到灌溉面积1.7万亩,今年浇麦1.5万亩。现根据赵堡公社今年用肥水浇灌小麦的试验结果,结合祥云镇公社北贾大队试验情况,就肥水灌溉小麦的增产效果、适宜浓度、适宜时期等问题概述如下: Henan province now uses 48,000 mu of irrigated land and 35,000 mu of irrigated wheat this year. In Xinxiang, where fertilizer and water are exploited earlier, the irrigated area has reached 30,000 mu. Wen County Zhao Bao commune, before the Cultural Revolution fertilizer only a small amount of utilization, has now developed to irrigation area of ​​17000 acres, 15000 acres of wheat this year. According to the Zhao Bao commune this year with wheat water test results with fertilizer, combined with the town of North Gu Jia Zhu Brigade trial of fertilizer on fertilizer irrigation wheat yield, suitable concentration, suitable time and other issues are summarized as follows: