如今燕麦草(cǎo )、小(xiǎo )杂粮、覆(fù )膜马铃(líng )薯(shǔ )等耐旱(hàn )作物“当家(jiā )”,以水定粮改(gǎi )变(biàn )了察汗淖尔湿地周(zhōu )边(biān )农业形态。庞学(xué )峰给记者算了一(yī )笔账(zhàng ):种植燕麦草,只(zhī )搞(gǎo )“雨(yǔ )养(yǎng )”农(nóng )业,不(bú )使用(yòng )地下水。成本(běn )下降,加上轮作(zuò )和“水改(gǎi )旱”补(bǔ )贴(tiē ),亩效益(yì )可(kě )比种(zhǒng )甜(tián )菜增加200元(yuán )人民币(bì )左右(yòu )。
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