宋元时期吴淞江圩田区的耕作制与农田景观

宋元时期，吴淞江两岸一度盛行大圩，大圩内实行着水稻休耕制。随着人口压力的增加，连作制后期开始盛行，农民收稻放水，冬季积水休闲。麦稻两熟或在高地，或在低地，其分布与水环境有关。麦稻与其它景物相配合，构成江南农田景观的基色。由于圩岸植树较多，树木与河道及作物相配合，也构成诗人笔下传统江南景观的特点。

The Farming System and Farmland Landscape in Wei Fields in Wushongjiang River Area in Song and Yuan Dynasties

In Wushongjiang river area,big Wei fields system was prevailing.Fallow system was practiced in big Wei field.As the population pressure increased,sequential cropping began to be current,after farmer harvest rice,they pour the water into the Wei field and there is water in winter and land lay fallow.Rice and wheat cropping system was in high land or in lower land,according to the water environment.Rice,wheat and other scenery,constituted main countenance of Jiang-nan rural land.There were many trees planting...