【摘要】 以长效腐植酸尿素为基质 ,采用圆盘造粒生产腐植酸系列专用肥。文中介绍了小麦、油菜、水稻、蔬菜4种专用肥的配方及施用量。田间试验表明 :施用腐植酸系列专用肥与普通复混肥相比 ,小麦平均增产 7.2 % ,油菜平均增产 7.2 % ,水稻平均增产 7.3% ,蔬菜平均增产 9.1% ,且可减少施肥次数更多还原

【Abstract】 Based on slowrelease humic acidurea, serial specialty fertilizers are manufactured by a pan granulator. Field trials show: compared with common NPKs, specialty fertilizers increase the yield of wheat by 5.9%, rape seed by 7.2%, rice by 7.3%, vegetable by 9.1%, and the application frequency is decreased.更多还原