如(rú )今燕(yàn )麦(mài )草、小杂粮、覆膜(mó )马铃薯等耐旱(hàn )作物“当(dāng )家(jiā )”,以水定粮(liáng )改(gǎi )变了察汗淖尔(ěr )湿(shī )地(dì )周边农(nóng )业形态。庞(páng )学(xué )峰给记(jì )者算了一(yī )笔(bǐ )账(zhàng ):种植燕麦草,只搞“雨养”农(nóng )业,不使(shǐ )用地下水。成本(běn )下降(jiàng ),加上轮作(zuò )和“水(shuǐ )改(gǎi )旱”补贴,亩效(xiào )益(yì )可比种甜菜增加(jiā )200元(yuán )人民币(bì )左右。
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