如(rú )今燕(yàn )麦草、小杂(zá )粮、覆膜马(mǎ )铃薯等耐旱(hàn )作物“当家”,以(yǐ )水定粮改变了察(chá )汗淖(nào )尔湿地周边(biān )农业形(xíng )态。庞学峰给记者算了(le )一笔账:种植燕麦草,只搞“雨养”农业,不(bú )使用地下水。成本下降(jiàng ),加上(shàng )轮作和“水改旱”补贴,亩效益可比(bǐ )种甜菜增加200元人民币左右。 -
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