The agricultural practice in Liaoning demonstrated that the productivity of soils low for upland crops seems high productive for lowlandrice.
辽宁省农业实践表明，对于旱地作物生产力低的土壤对水稻来说生产力较高。
2
From the top layer to the bottom, the Hg content in the soils changed little in D. augustifolia marsh, but varied greatly in corn field and lowlandrice field.
由表层至底层，小叶章湿地土壤中汞含量变化不大，水稻田及玉米地中汞含量变化较大。
3
On one hand, the lowland soil is kept flooded throughout rice growing season, therefore, they are very much diversified by the properties of the different soils from which they originated.