如今(jīn )燕麦草、小杂粮(liáng )、覆膜马铃薯等耐旱作物“当(dāng )家”,以(yǐ )水定(dìng )粮改变了察(chá )汗淖尔湿(shī )地周边农(nóng )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 )用地下水。成本下降(jiàng ),加上(shàng )轮作和“水(shuǐ )改旱”补贴,亩效(xiào )益可比种甜菜(cài )增加200元人民币(bì )左(zuǒ )右。 -
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