如(rú )今燕(yàn )麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以水(shuǐ )定粮(liáng )改(gǎi )变(biàn )了察汗淖尔湿地周边(biān )农业形态。庞学峰给记者算了一笔账:种植燕麦草,只搞“雨(yǔ )养”农业(yè ),不(bú )使(shǐ )用地(dì )下水。成本下(xià )降,加上轮作和“水(shuǐ )改旱”补贴,亩效益可比种甜菜增加(jiā )200元人民币左右。 -
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