如今燕麦(mài )草、小(xiǎo )杂(zá )粮、覆(fù )膜马铃薯等(děng )耐旱作物“当(dāng )家”,以水定粮(liáng )改变了(le )察汗淖尔湿地周边农(nóng )业(yè )形(xíng )态。庞学峰给(gěi )记(jì )者算了一(yī )笔(bǐ )账(zhàng ):种(zhǒng )植燕(yàn )麦草,只(zhī )搞“雨养”农业(yè ),不使用地(dì )下水。成本下降(jiàng ),加(jiā )上轮作(zuò )和(hé )“水改旱(hàn )”补贴,亩效益可比种甜菜增加(jiā )200元(yuán )人民(mín )币左右(yòu )。
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