如今燕麦草、小杂粮、覆膜马(mǎ )铃薯等耐旱作物“当家”,以水定粮改变了(le )察(chá )汗(hàn )淖尔湿地周边农业形态。庞学峰给(gěi )记者算了(le )一笔账(zhàng ):种植燕(yàn )麦(mài )草,只搞“雨养(yǎng )”农(nóng )业,不使(shǐ )用地下水。成(chéng )本下降,加上轮作和(hé )“水改旱”补贴,亩效(xiào )益可比种甜菜增(zēng )加200元人民币(bì )左右。
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