春(chūn )天一(yī )来,商都(dōu )县农(nóng )牧和(hé )科(kē )技局局长(zhǎng )庞学峰便(biàn )忙于入农(nóng )户(hù )、进田头(tóu ),落(luò )实低耗水作物种(zhǒng )植(zhí )计划(huá )。“从前都是把(bǎ )旱(hàn )地改(gǎi )良为水地,提(tí )高(gāo )农(nóng )业(yè )单产。现在(zài )‘水改旱’,只(zhī )为保护察汗淖尔湿地。”
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