春天(tiān )一来,商都(dōu )县农(nóng )牧(mù )和科(kē )技局局长(zhǎng )庞(páng )学(xué )峰便忙(máng )于入农(nóng )户(hù )、进田头,落实(shí )低耗水作(zuò )物种植(zhí )计划(huá )。“从前都是把(bǎ )旱地改良(liáng )为水地(dì ),提高(gāo )农业单产(chǎn )。现在‘水改旱’,只为(wéi )保(bǎo )护察(chá )汗淖尔(ěr )湿地。”
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