如今燕麦草、小杂(zá )粮、覆(fù )膜马铃薯等耐旱作物“当家”,以(yǐ )水定粮改变了察汗(hàn )淖尔湿地周(zhōu )边农业形态。庞学峰给记者算了(le )一笔(bǐ )账(zhàng ):种植燕麦草,只(zhī )搞“雨养”农业(yè ),不使用(yòng )地下水。成本(běn )下(xià )降,加上轮(lún )作和“水(shuǐ )改旱”补贴,亩效(xiào )益可比种甜菜增加(jiā )200元人民币左右。
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