春(chūn )天(tiān )一来(lái ),商都(dōu )县农(nóng )牧和(hé )科技局局长庞(páng )学峰(fēng )便(biàn )忙于入农户(hù )、进(jìn )田头(tóu ),落(luò )实低耗水作(zuò )物(wù )种(zhǒng )植计划(huá )。“从(cóng )前都是把旱地改良为(wéi )水(shuǐ )地,提(tí )高(gāo )农(nóng )业单产(chǎn )。现在(zài )‘水改旱’,只为保护察(chá )汗淖尔湿地。”
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