平原湖区潜育化水稻土改良与利用的研究

STUDIES ON THE UTILIZATION AND AMELIORATION OF GLEYED PADDY SOIL IN LOW LACUSTRINE PLAIN

对平原湖区农业持续发展急需研究解决的一个重要问题——潜育化水稻土改良与利用,进行全面系统研究总结。阐明了在特定环境条件下,潜育化水稻土分布、成因、类型、特性及障碍因素,并着重对采用耐潜(渍)高产优质水稻品种(组合)、开沟治渍、水稻垄作、优化施肥、水旱轮作等改良利用技术及其组装配套的综合改良利用技术体系的试验研究作了深入系统的阐述。对改良利用的经济、生态和社会效益进行了综合评价。

This paper is concluding report of studies on the utilization and amelioration oflacustrine gleyed paddy soil.It deals with the goal and contents of this study,thetechnical approach and scientific methods,etc.It also expounds the types and distributionof gleyed paddy soil,the causes of its formation,its characteristics and majorobstructive factors,Emphasis is placed on techniques of utilization and ameliorationof gleyed paddy soil.such as adopting gleyed-resistant rice varieties,ditching to proventthe soil from waterlogging,rotation of rice and dry crops,and combined comprehensiveways of those techniques mentioned above.The social,ecological and economical effectsof applying those techniques to utilize and ameliorate gleyed paddy soil are evaluatedcomprehensively.