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　　春(chūn )天(tiān )一来，商都县农(nóng )牧和科(kē )技局局(jú )长庞(páng )学(xué )峰(fēng )便(biàn )忙于入农户、进田头，落实低(dī )耗水作(zuò )物(wù )种(zhǒng )植(zhí )计划(huá )。“从前都是把旱(hàn )地(dì )改良为水(shuǐ )地，提高农业(yè )单产。现在(zài )‘水(shuǐ )改(gǎi )旱’，只为保护(hù )察汗(hàn )淖(nào )尔湿地。”