如今燕麦草、小杂粮、覆(fù )膜马铃薯等耐旱作物“当(dāng )家”,以水(shuǐ )定粮改(gǎi )变了察(chá )汗淖尔湿地周边(biān )农(nóng )业形态。庞学峰给记(jì )者算了一笔账:种(zhǒng )植燕麦草,只搞“雨养”农业,不使(shǐ )用地下水。成(chéng )本下降,加上轮作和“水(shuǐ )改(gǎi )旱”补贴,亩效益(yì )可比种甜菜增(zēng )加(jiā )200元人民币左(zuǒ )右。 -
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