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通过四年研究证明腐植酸包裹型长效尿素在水稻上具有明显的增产效果,氮素利用率提高显著,同时研究了腐植酸尿素对水稻经济性状的影响以及不同配比的腐植酸尿素的效应。
After four years of research, it was proved that humic acid-coated long-acting urea has obvious yield increasing effect on rice and nitrogen utilization rate increased significantly. At the same time, the effect of humic acid urea on economic traits of rice and the effect of different proportions of humic acid urea .