机械旱直播播种密度对水稻群体光合和产量形成的影响程建平,赵锋,曾山,陈旭阳,王乐云,吴金元,徐双前,游爱兵,张旅峰Hubei nongye kexue（2012）Cited 27|Views24AI Read ScienceMust-Reading TreeExampleGenerate MRT to find the research sequence of this paperChat PaperSummary is being generated by the instructions you defined
