如今燕麦草(cǎo )、小杂(zá )粮、覆(fù )膜(mó )马铃薯(shǔ )等耐旱(hàn )作(zuò )物(wù )“当家”,以水(shuǐ )定粮改变了察汗淖尔湿地(dì )周边农业形(xíng )态。庞学峰给记者算了一(yī )笔(bǐ )账:种植(zhí )燕麦草,只搞“雨养”农业(yè ),不(bú )使(shǐ )用(yòng )地下(xià )水(shuǐ )。成本下(xià )降(jiàng ),加上轮作和“水改旱”补(bǔ )贴,亩效(xiào )益可比种(zhǒng )甜菜(cài )增(zēng )加(jiā )200元人民(mín )币(bì )左右。
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