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以兴化市钓鱼乡为例，研究了麦－稻两熟超高产的土壤有机质、养分的动态平衡以及调控途径。结果表明，在不同的管理模式下，超高产农田有机物归还量比高产条件下高１４．２２％～１８．６９％。超高产条件下氮、磷盈余量、钾亏缺量分别为３８０．０～４３２ｋｇ／ｈｍ２、１９．１５～３２．７８ｋｇ／ｈｍ２、９９．１～１７４．０ｋｇ／ｈｍ２，与高产条件下比较氮、磷盈余量提高，而钾的亏缺量相近。提出了改善超高产农田土壤肥力的主要措施。
Taking Fishing Village in Xinghua City as an example, this paper studied the dynamic balance of soil organic matter and nutrients and the regulatory ways of super high-yield wheat-rice double cropping. The results showed that in different management modes, the return of organic matter in the super-high-yielding farmland was 14.22% ~ 18.69% higher than the high-yielding condition. Under ultra-high yielding conditions, the amount of nitrogen and phosphorus surplus and the amount of potassium deficit were 380.0 ~ 432kg / hm2, 19.15 ~ 32.78kg / hm2 and 99.1 ~ 174.0kg / hm2, respectively, , Phosphorus surplus increased, while the amount of potassium deficiency is similar. The main measures to improve the soil fertility of super high yielding farmland are put forward.