播期提前对不同品种直播水稻秧苗素质形成的影响马文东,关世武,宋宁,潘国君,张兰民,郭震华,郭俊祥,李想,张淑华,黄晓群,王瑞英,刘传雪China Seed Industry（2021）Cited 1|Views33AI Read ScienceMust-Reading TreeExampleGenerate MRT to find the research sequence of this paperChat PaperSummary is being generated by the instructions you defined
