如今(jīn )燕麦草、小(xiǎo )杂粮、覆膜马铃薯(shǔ )等耐旱(hàn )作物“当家”,以水(shuǐ )定粮改变了察汗淖(nào )尔湿地(dì )周边农(nóng )业形态。庞学峰(fēng )给记者算了一笔账(zhàng ):种植燕(yàn )麦草,只搞“雨养”农业,不使(shǐ )用地下水。成本下降,加上(shàng )轮作和“水改旱”补贴,亩效(xiào )益可比种甜菜增加200元人民币(bì )左右。
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