圩田

冲田水稻土胡敏酸的E（465）低于圩田水稻土；

3 ) The spectral absorption near 465 ) nm ( E_ ( 465 )) of humic acid in alluvial paddy soil was lower than that in polder paddy soil .

基于LANDSATTM影像的圩田结构信息提取与分析&以皖东南圩田区为例

Extracting and Analyzing of Weitian ( Artificial Field ) Structure 's Information Based on Landsat TM Data & Weitian of Southeast of AnHui Province for Example

多边形圩田具有空间扩展功能；

A polygon pattern has a function of combining and expanding ;

近半个世纪以来中国古代圩田研究综述

Review of Studies on Chinese Ancient Polders in the Recent Post Half Century

基于遥感信息的皖东南圩田图型结构特征及功能分析

Analyzing Structures and Functions of Weitian ( artificial field ) Patterns in Southeastern Anhui Province Based on Remote-sensing Information

圩田是长江下游地区在土地开发过程中采取的重要土地利用形式。

Polders , as a special form to utilize land , came into being in process of cultivation for farmlands .

圩田是清代皖南平原土地开发的主要模式。

Dike paddy field was the main mode of the development of the plain in the south of Anhui province .

唐宋时期政府对圩田的管理及其效应&以长江下游圩区为中心

Governmental Management and the Effects of Wei-tian in the Tang and Song Dynasties & Centering on the Wei-tian along the Downstream of the Yangtze River

圩田填筑水体并用堤坝保护的一片地势很低的地区，尤指位于尼德兰的。

An area of low-lying land , especially in the netherlands , that has been reclaimed from a body of water and is protected by dikes .

文章在探讨长江下游圩田开发的历程、原因及其作用的同时，分析了因过度围垦对生态环境所造成的影响，并对圩区的可持续发展作了理性思考。

This presentation discusses the course , reasons and functions of developing polders . It also analyzes the influence of excessively encircled lakes on the ecological environment .

地处杭嘉湖平原的嘉兴地区水域景观种类繁多，体系完整，其中以水田景观（即圩田）为主体形态。

Jia Xing district which is located in Hang-Jia-Hu Plain sees systematic and various waterscapes and waterside landscapes , among them paddy field occupies the greatest proportion .

两宋时期，长江下游地区圩田开发在以往的基础上进一步迅速发展。

During the northern and southern Song dynasties , the tapping of the enclosed lands has been developed quickly in the lower reaches of the Yangtze River .

本文以稻田排涝为主题，从圩田形态、人群和苗情景观等方面分析太湖地区乡村救灾的生产场景。

This paper analyzes the enclosure of fields , the transfer of seedlings and the personnel involved in paddy-field drainage and rice production in the Lake Tai region .

大量构筑圩田，使湖泊面积大为缩小，影响其调节水量的功能，破坏了本地区的生态条件，致使灾害频频发生。

The great shrinking of lake areas because of too much reclamation affects the function of lakes in adjusting water volume and destroys ecological conditions of the area , leads to frequent disasters .

自五代时期，这里的圩田与水稻土就形成了，随着传统精耕细作农业技术的推广，圩田的土壤结构也不断得到改良。

From the period of the Five Dynasties , the low-lying paddy fields and paddy soil was formed there , and the soil construction was becoming better and better as the spreading of the traditional intensive agricultural technology .

文章以大量历史文献资料为基础，全面考察了江南地区圩田开发的历程与特点，研究了江南圩田兴盛的历史因素和自然条件，并简要分析了圩田的作用。

The essay , based on large amounts of historical documents , comprehensively looks into the course and characteristics of the cultivation of diked paddy-fields in South-East China , researches on the historical and natural factors of their prosperity and briefly analyzes their functions .