如(rú )今燕麦草、小杂粮、覆膜马(mǎ )铃薯等耐旱作物“当家(jiā )”,以水定(dìng )粮改变了察汗淖(nào )尔湿地周(zhōu )边农业形态。庞学峰给(gěi )记者算(suàn )了一笔(bǐ )账(zhàng ):种植燕麦草,只搞“雨养”农业,不使(shǐ )用(yòng )地下水。成本下(xià )降,加(jiā )上轮(lún )作和“水改旱”补贴,亩效(xiào )益可比(bǐ )种甜菜增加200元人民币左右。 -
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