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　　春(chūn )天一(yī )来，商都县农(nóng )牧和科技(jì )局局(jú )长庞学峰便忙(máng )于入农户、进田头，落实低耗(hào )水作物(wù )种植计划。“从前(qián )都(dōu )是把(bǎ )旱(hàn )地改良为水(shuǐ )地，提高农(nóng )业单(dān )产(chǎn )。现在‘水(shuǐ )改(gǎi )旱(hàn )’，只(zhī )为保(bǎo )护(hù )察汗(hàn )淖尔湿地。”