春(chūn )天(tiān )一来(lái ),商都(dōu )县农(nóng )牧和科(kē )技局局长庞学(xué )峰便(biàn )忙于(yú )入农(nóng )户(hù )、进田(tián )头,落(luò )实低耗水(shuǐ )作物种(zhǒng )植计划(huá )。“从(cóng )前都(dōu )是把旱地改良(liáng )为水地,提高(gāo )农业(yè )单产(chǎn )。现在‘水(shuǐ )改旱’,只为保(bǎo )护察汗淖尔湿地。”
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