document.write('<br><span style="font-size:15px">上一篇</span> <a href=/shtmlnewsfiles/ecomnews/591/2013/20134201609616611.shtml  target="_blank">水稻栽培技术</a><br><span style="font-size:15px">下一篇</span> <a href=/shtmlnewsfiles/ecomnews/591/2013/201342016104350774.shtml  target="_blank">如何区分番茄黄化花叶病毒病和生理性卷叶病</a>')