如今燕(yàn )麦草、小杂粮、覆膜马铃薯等耐(nài )旱作物“当家”,以(yǐ )水定粮(liáng )改变(biàn )了察(chá )汗淖尔湿(shī )地周边(biān )农业形态。庞学峰给记者算了(le )一笔账(zhàng ):种植燕麦草(cǎo ),只搞(gǎo )“雨养”农业,不使(shǐ )用地下水。成本下降,加上轮作和“水(shuǐ )改旱”补贴(tiē ),亩效益可比种甜菜增加(jiā )200元人民币左右。 -
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