如今燕(yàn )麦草、小(xiǎo )杂(zá )粮、覆膜马(mǎ )铃薯等耐旱作物“当家”,以水定粮改(gǎi )变了察汗(hàn )淖(nào )尔湿(shī )地周边农业形态。庞学峰给记者算了一笔账:种植燕(yàn )麦草,只搞(gǎo )“雨养(yǎng )”农业,不使用地下水(shuǐ )。成本下(xià )降(jiàng ),加上(shàng )轮作和“水改旱”补贴,亩效益可比种甜菜(cài )增加200元人民币左(zuǒ )右。 -
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