如今燕麦草、小杂(zá )粮、覆(fù )膜马铃薯(shǔ )等耐旱作物“当(dāng )家”,以水定粮改变了察汗淖尔湿(shī )地周边农业形态。庞学峰给记(jì )者算了一笔账:种植燕麦草,只搞“雨养”农(nóng )业,不使(shǐ )用地(dì )下水(shuǐ )。成本下降,加上轮(lún )作和“水改旱(hàn )”补贴,亩效(xiào )益可比种(zhǒng )甜菜增加(jiā )200元人民币(bì )左右。 -
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