如今燕麦(mài )草、小杂(zá )粮、覆膜马铃薯等耐旱(hàn )作物(wù )“当家”,以(yǐ )水定(dìng )粮改(gǎi )变了(le )察(chá )汗淖尔湿地周边农(nóng )业形态。庞(páng )学(xué )峰给(gěi )记(jì )者算(suàn )了一(yī )笔账:种植燕麦草,只搞“雨养”农业,不(bú )使(shǐ )用地下(xià )水。成本下降(jiàng ),加上轮作和(hé )“水改旱”补贴(tiē ),亩效益可比(bǐ )种甜菜(cài )增(zēng )加(jiā )200元人(rén )民(mín )币左(zuǒ )右。
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