如今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物(wù )“当(dāng )家”,以水定粮改变了察汗(hàn )淖尔湿地周边(biān )农业形(xíng )态。庞学峰(fēng )给记(jì )者算了一笔账:种植燕麦(mài )草,只搞“雨养”农业,不(bú )使(shǐ )用地下水。成本下(xià )降,加上轮作和“水改旱”补贴(tiē ),亩效(xiào )益可比种甜菜(cài )增加(jiā )200元(yuán )人民币左右。 -
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