为了解决农业生产实行责任制后,各家各户对农业生产用肥迫切的技术指导,我司在地区科委、省农资公司、地区供销社以及地区农业、农科部门的重视和支持下,参照国内有关资料,结合稻田土壤的实际情况,初步设计完成了《水稻合理用肥活动盘》,并经两年的实际运用,按照《活动盘》科学、合理用肥,产量高,经济效益好。现特将《活动盘》的构造、设计原理及使用效果介绍如下: In order to solve the responsibility system for the implementation of agricultural production, various households on the urgent need for agricultural production and fertilizer technical guidance, Division I in the Science and Technology Commission, the provincial agricultural capital companies, regional supply and marketing cooperatives and the regional agriculture, agricultural departments of the importance and support , With reference to the relevant domestic data, combined with the actual situation of paddy soil, preliminary design completed the “reasonable use of fertilizer activities of rice dish” and after two years of practical use, according to “activity plate” science, rational use of fertilizer, high yield, economic benefits it is good. Now special “activity plate” structure, design principles and the use of effects are as follows: