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系列缓释尿素是辽宁华锦集团锦西天然气化工有限责任公司开发的新型尿素改性品种。该型缓释尿素具有肥效期长,一次基施免追肥,提高氮素利用率,等量施肥具有增产增效和等产量节肥的功效。本试验的目的是验证该型缓释尿素在广泛区域上的应用效果,为大面积推广应用提高科学依据。一、材料方法
Series of slow-release urea is Liaoning Huajin Group Jinxi Natural Gas Chemical Co., Ltd. developed a new urea modified varieties. This type of slow-release urea has a long-term fertilizer, a base Shi Zhu topdressing to improve nitrogen utilization, the same amount of fertilizers have the effect of increasing production efficiency and yield fertilizer. The purpose of this experiment is to verify the application of sustained-release urea in a wide range of areas, and to promote scientific application in large areas. First, the material method