春天一来,商都县农牧和科技局局(jú )长庞学(🗺)峰便忙于(yú )入农户、进田(tián )头,落实低耗(hà(🅱)o )水(shuǐ )作物种植计划。“从前都是把旱地(dì )改良为水地,提高农业单产。现(🕤)在(🌵)‘水改旱’,只为(🖱)保(🌓)护察汗(hàn )淖(nào )尔湿地(dì )。”[展开全部]
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