如今燕麦草、小杂(zá )粮、覆膜马铃薯(shǔ )等耐旱作物“当家(jiā )”,以水定粮改(gǎi )变了察汗(hàn )淖尔(ěr )湿地(dì )周边(biān )农业形态。庞学峰给记者(zhě )算了一笔(bǐ )账:种植燕麦草,只搞“雨养”农(nóng )业,不(bú )使(shǐ )用地下水。成本下降,加(jiā )上轮作和“水改(gǎi )旱”补贴,亩效益可比种甜菜增加200元人(rén )民币左右。
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