江苏沿海滩涂土壤改良技术研究进展

Progress of soil amelioration technology in coastal beach in Jiangsu Province

首先,阐述了目前江苏省沿海滩涂盐渍土壤存在土壤含盐量高、土壤养分贫瘠、淡水资源匮乏、土壤渗透性差等现状,并总结了目前盐渍土的改良技术,如改变利用方式、工程措施、物理改良、化学措施、农艺措施、生物措施等。其次,对盐碱土改良剂的分类和性能进行了比较分析,并提出了盐碱改良剂专利存在的问题。最后,针对盐碱土改良剂存在的问题,提出在今后的研究工作中,应将耐盐植被体系选育与滨海滩涂盐渍土改良技术相结合,对滨海重度盐渍土的复合改良剂进行最优配方研发,并就最优复合改良剂对盐渍土改良效应、经济效益及植被体系的应用效果进行评价。

Firstly,the present situation of saline soil in Jiangsu coastal shoal was elaborated,including high salinity, poor nutrient,lack of fresh water resources,far from urban area,and poor permeability. And the soil improvement technology were summarized such as change of utilization pattern,improvement of physical and chemical properties,taking of engi-neering, agronomic,biological measures, etc. Secondly,the classification and perfor^nance of saline-alkaline soil improvers were compared and analyzed. And the extant problems of the patents about saline-alkali improver were pointed out. Finally, the corresponding suggestions in the future research work were offered, e. g. combination of the system of salt-tolerant plants breeding and mudflat soil improvement, optimal formulation in the compound modifier for saline soil, and evaluation of the applying effects of the optimal compound modifier, vegetation system, and economic benefit.