如今燕麦草(cǎo )、小(xiǎo )杂粮、覆(fù )膜马铃(líng )薯等耐旱作物(wù )“当(dāng )家(jiā )”,以(yǐ )水定(dìng )粮改变(biàn )了(le )察汗淖尔湿地周边(biān )农业形(xíng )态(tài )。庞(páng )学峰给记(jì )者算(suàn )了一笔(bǐ )账:种(zhǒng )植燕麦草,只(zhī )搞“雨养(yǎng )”农业(yè ),不(bú )使(shǐ )用地(dì )下水。成本下降,加上(shàng )轮(lún )作和“水改旱”补(bǔ )贴,亩效(xiào )益可(kě )比种甜菜增加(jiā )200元(yuán )人民币左右(yòu )。
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