如(rú )今燕麦草、小杂(zá )粮、覆膜马铃(líng )薯等耐旱作物“当家”,以水定粮改变了察汗(hàn )淖尔湿地周边农业形态(tài )。庞学峰给记者算了一笔账(zhàng ):种植燕麦草,只搞“雨养”农业,不使(shǐ )用(yòng )地(dì )下水。成(chéng )本下降,加(jiā )上轮作和“水改旱”补贴,亩效益可(kě )比种甜(tián )菜增加(jiā )200元人民(mín )币左右。 -
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