春天(tiān )一来,商(shāng )都县(xiàn )农牧(mù )和科技(jì )局(jú )局长庞(páng )学峰(fēng )便忙于入农户、进(jìn )田(tián )头,落实(shí )低(dī )耗水作(zuò )物种(zhǒng )植计划。“从(cóng )前(qián )都是把旱地改良为(wéi )水地,提高农业单产(chǎn )。现在(zài )‘水改旱’,只为保(bǎo )护(hù )察汗(hàn )淖(nào )尔(ěr )湿(shī )地。”
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