如今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当(dāng )家”,以水定粮改变(biàn )了察汗(hàn )淖尔湿地周边农业形态。庞学峰给(gěi )记(jì )者算了一笔账:种(zhǒng )植燕麦草(cǎo ),只搞“雨养”农业,不使(shǐ )用(yòng )地(dì )下(xià )水(shuǐ )。成(chéng )本(běn )下降,加上轮作和“水改(gǎi )旱(hàn )”补贴,亩效(xiào )益可比种甜菜增加200元人民(mín )币左右。
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