如(rú )今燕麦草、小杂(zá )粮、覆膜马铃薯(shǔ )等耐旱作物“当家(jiā )”,以(yǐ )水定粮改变(biàn )了察(chá )汗淖尔(ěr )湿地周边农业形态(tài )。庞学峰(fēng )给记者算了一笔账:种植燕(yàn )麦草,只搞“雨养”农(nóng )业,不(bú )使(shǐ )用地下水。成本下降,加上轮作和“水改旱”补贴,亩(mǔ )效(xiào )益可比种甜菜增加200元人民币(bì )左(zuǒ )右。 -
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