如(rú )今燕麦草、小(xiǎo )杂(zá )粮、覆(fù )膜(mó )马铃薯(shǔ )等耐旱(hàn )作物(wù )“当(dāng )家(jiā )”,以水定粮(liáng )改变了(le )察(chá )汗(hàn )淖尔(ěr )湿(shī )地周边农业形(xíng )态。庞学峰给(gěi )记(jì )者(zhě )算了一笔账(zhàng ):种植燕麦草,只搞“雨(yǔ )养(yǎng )”农业,不(bú )使用地下水(shuǐ )。成本下降(jiàng ),加上(shàng )轮作和“水(shuǐ )改旱”补贴,亩效益可比(bǐ )种甜(tián )菜增加200元人民(mín )币左右。
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