如(rú )今燕(yàn )麦草(cǎo )、小杂(zá )粮、覆(fù )膜马(mǎ )铃薯(shǔ )等耐旱作物“当家(jiā )”,以水定粮改变了察汗淖(nào )尔湿地周边农(nóng )业形态。庞学峰给记者算了一笔账(zhàng ):种植燕麦草,只搞“雨养”农(nóng )业(yè ),不使(shǐ )用地下水。成(chéng )本下降,加上轮作和“水改旱”补贴,亩效益可比种甜菜(cài )增加200元人民币左右。 -
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