如(rú )今燕麦草、小杂粮、覆膜(mó )马铃薯(shǔ )等耐旱(hàn )作物(wù )“当(dāng )家(jiā )”,以(yǐ )水定(dìng )粮改变了(le )察汗(hàn )淖尔湿地周(zhōu )边农业形态。庞学(xué )峰给记(jì )者算了一(yī )笔账(zhàng ):种植燕麦草,只(zhī )搞“雨(yǔ )养”农(nóng )业(yè ),不使用地下水。成本(běn )下降,加上(shàng )轮(lún )作和“水改旱”补贴(tiē ),亩效益可比(bǐ )种甜菜增(zēng )加200元人(rén )民币左(zuǒ )右。
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