如今燕(yàn )麦草、小杂(zá )粮、覆膜马(mǎ )铃(líng )薯等耐旱作物“当家(jiā )”,以(yǐ )水定粮改变了察汗淖(nào )尔湿地周边(biān )农业形态。庞学峰给记(jì )者算了一笔(bǐ )账:种植燕麦草,只搞“雨养”农业,不使(shǐ )用地下水。成本下降,加(jiā )上(shàng )轮作和“水(shuǐ )改旱”补贴,亩效(xiào )益可比(bǐ )种甜菜增加(jiā )200元人民币左右。 -
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