如今燕麦(mài )草、小杂(zá )粮、覆(fù )膜马(mǎ )铃(líng )薯(shǔ )等(děng )耐旱作物“当(dāng )家(jiā )”,以水(shuǐ )定粮改变(biàn )了察汗淖尔(ěr )湿地周边(biān )农业形态。庞学峰给记(jì )者算了一笔账:种(zhǒng )植(zhí )燕麦草(cǎo ),只搞“雨养”农(nóng )业,不使用地下水(shuǐ )。成本(běn )下降(jiàng ),加上轮作和“水(shuǐ )改旱(hàn )”补贴,亩(mǔ )效益可比(bǐ )种(zhǒng )甜菜(cài )增加200元人民币(bì )左(zuǒ )右。
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