春(chūn )天(tiān )一(yī )来,商(shāng )都县(xiàn )农牧和科技(jì )局局长庞(páng )学峰便(biàn )忙于(yú )入农户、进田头(tóu ),落实低(dī )耗水(shuǐ )作物(wù )种(zhǒng )植(zhí )计划。“从前(qián )都(dōu )是(shì )把(bǎ )旱地改良(liáng )为水地,提高农业单产。现(xiàn )在‘水改旱(hàn )’,只为保(bǎo )护察(chá )汗淖尔湿(shī )地。”
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