upland water的意思|示意

Most upland crops such as corn and cotton cannot survive in soils that are water-saturated because of the greatly reduced oxygen content.

大多数旱地作物，如玉米和棉花不能在被水饱和的土壤中存活，因为氧的含量大大减少了。

That a large number of apple tree planted will result in the desiccation of field soils on the upland, which will affect the water cycle in this area.

苹果树的大面积种植加快了土壤深层水分消耗，最终可能影响这一区域的陆地水循环。

Experimental results also indicated that upland rice, with strong root system and high water uptake ability, is rather suitable to the hilly red earth area.

旱稻根系发达，吸水吸肥和抗旱能力强，特别适宜丘陵地区种植。