如今(jīn )燕(yàn )麦草、小(xiǎo )杂(zá )粮(liáng )、覆膜马铃薯等耐旱作物“当家”,以水(shuǐ )定粮改变了察(chá )汗淖尔湿地(dì )周边农业形态。庞学峰给记(jì )者算了一笔账:种植燕麦草,只搞“雨养”农业,不使(shǐ )用(yòng )地(dì )下水。成本(běn )下降,加上轮作和“水(shuǐ )改旱”补贴,亩效益(yì )可比种甜菜增(zēng )加200元人民币左右。
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