如(rú )今(jīn )燕(yàn )麦草(cǎo )、小(xiǎo )杂粮、覆膜(mó )马(mǎ )铃(líng )薯等耐旱作物(wù )“当家”,以水定粮(liáng )改变(biàn )了察汗淖尔湿地周(zhōu )边(biān )农业(yè )形(xíng )态。庞学峰给记(jì )者(zhě )算了一笔账:种植燕麦草(cǎo ),只搞“雨(yǔ )养”农(nóng )业,不(bú )使用地(dì )下水(shuǐ )。成本(běn )下降(jiàng ),加(jiā )上轮作和“水改(gǎi )旱”补(bǔ )贴,亩效益(yì )可比(bǐ )种甜菜增加(jiā )200元人(rén )民币左(zuǒ )右。
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