如今燕麦草、小杂(zá )粮、覆(fù )膜(mó )马铃薯(shǔ )等耐旱作物“当家”,以水定粮改变(biàn )了察(chá )汗(hàn )淖尔湿地周(zhōu )边农业形态。庞学(xué )峰给记者算(suàn )了一笔账:种植燕麦草,只(zhī )搞(gǎo )“雨养”农(nóng )业,不使(shǐ )用地下水。成本下降,加上轮作和“水改旱”补贴,亩效益(yì )可比种甜菜增加200元人民币左右。 -
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