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甘薯抗灾夺丰收，对我省稳粮增收具有重要的现实意儿我省届夏薯区，主要集中在丘陵旱地，多与玉米等作物间套种植。在甘薯的一生中，面临着各种灾害性气候的威胁。如育苗阶段的低温和春旱，栽插期间持续干旱，薯块膨大潮的伏旱和秋涝，贮藏阶段的低温冷冻。因此，灾害性气候是?
The harvest of sweet potato disaster won the harvest, stabilizing grain income in our province has an important realistic meaning of the province’s summer potato area, mainly in the hilly drylands, and more intercropping with corn and other crops. In the sweet potato’s life, facing a variety of disastrous climate threat. Such as low temperature and spring drought in nursery stage, continuous drought during planting period, summer drought and autumn flood with swell tubers and low temperature freezing in storage stage. So what is the catastrophic climate?