如今燕麦草、小(xiǎo )杂(zá )粮、覆膜马(mǎ )铃薯等耐(nài )旱(hàn )作物“当家(jiā )”,以水定粮改变了察汗(hàn )淖尔湿(shī )地周边农(nóng )业形态。庞学峰(fēng )给记者算了一笔账:种植(zhí )燕(yàn )麦草,只搞“雨养”农业(yè ),不使用(yòng )地下水。成本下降(jiàng ),加上轮作和“水(shuǐ )改旱”补贴,亩(mǔ )效益可比种甜菜增(zēng )加200元人民币左右。 -
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