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　　春(chūn )天(tiān )一来，商都县(xiàn )农牧和科技(jì )局局(jú )长庞学峰便(biàn )忙于入(rù )农户、进田头，落实(shí )低耗(hào )水作(zuò )物种植计划。“从前(qián )都(dōu )是把旱地(dì )改(gǎi )良为水(shuǐ )地，提高农业单产(chǎn )。现(xiàn )在‘水(shuǐ )改旱’，只为保护(hù )察(chá )汗(hàn )淖尔湿地。”