如今燕麦(mài )草(cǎo )、小杂(zá )粮、覆膜马铃(líng )薯等耐旱作物“当(dāng )家”,以水(shuǐ )定粮改(gǎi )变了察汗(hàn )淖尔(ěr )湿(shī )地(dì )周边农业形态。庞(páng )学(xué )峰给(gěi )记(jì )者(zhě )算了一笔账:种植燕麦草,只(zhī )搞(gǎo )“雨养(yǎng )”农业,不使用地(dì )下水。成本(běn )下(xià )降,加上轮作和“水改旱”补(bǔ )贴(tiē ),亩效益可比种(zhǒng )甜(tián )菜增加200元(yuán )人(rén )民币(bì )左右。
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