下个月，这些选出的土豆品种将参与实验。如果这些土豆不能适应沙漠土壤，那么研究人员将对它们施以养分并将其置于紫外线照射下。
If the varieties selected for next month's experiment don't adapt to the desert soil, the researchers will introduce nutrients and subject them to radiation.
这片沙漠的土壤是用粘土做的。
起到稳定作用的自然植被不断减少，随后土壤受风雨的侵蚀加速，就成为了沙漠化的主要成因。
Desertification is accomplished primarily through the loss of stabilizing natural vegetation and the subsequent accelerated erosion of the soil by wind and water.
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