如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变(biàn )了察(chá )汗淖尔湿(shī )地周边(biān )农(nóng )业形态。庞学峰给记者算(suàn )了一笔账(zhàng ):种(zhǒng )植燕麦草,只搞“雨养”农业,不使(shǐ )用地下(xià )水。成本下降,加上(shàng )轮作和“水(shuǐ )改旱”补贴,亩效益可比种甜(tián )菜增(zēng )加200元人民币左(zuǒ )右。 -
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