春(chūn )天一来,商都(dōu )县农牧和(hé )科技(jì )局局长(zhǎng )庞(páng )学(xué )峰(fēng )便(biàn )忙于(yú )入农户、进田(tián )头(tóu ),落实低耗(hào )水作物种植计(jì )划。“从前都是把旱(hàn )地改良为(wéi )水(shuǐ )地(dì ),提高(gāo )农业单(dān )产。现在‘水改旱(hàn )’,只为保护察(chá )汗(hàn )淖(nào )尔湿地。”
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