如今燕(yàn )麦草、小杂(zá )粮、覆膜马(mǎ )铃薯(shǔ )等(děng )耐旱作物(wù )“当家”,以水定粮(liáng )改变了察汗淖(nào )尔湿(shī )地周(zhōu )边农业形态。庞学峰给记(jì )者(zhě )算了一笔账(zhàng ):种植燕麦草(cǎo ),只搞(gǎo )“雨养”农(nóng )业,不使用地(dì )下(xià )水(shuǐ )。成(chéng )本(běn )下降,加上轮作和(hé )“水改旱(hàn )”补贴(tiē ),亩效(xiào )益可(kě )比种(zhǒng )甜菜(cài )增加(jiā )200元人民币(bì )左右(yòu )。
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