春(chūn )天(tiān )一来(lái ),商(shāng )都县农(nóng )牧和科(kē )技局局长庞(páng )学峰(fēng )便忙于入农(nóng )户(hù )、进(jìn )田(tián )头,落实(shí )低耗(hào )水(shuǐ )作物种(zhǒng )植计划。“从前都是把(bǎ )旱地改良(liáng )为水地,提(tí )高(gāo )农业单(dān )产(chǎn )。现在‘水改旱’,只(zhī )为保护察汗淖尔湿地。”
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