[2] HAO X N,SUN W,ZHANG X F.An analysis of knowledge evolution on biological breeding field between 1995 and 2012[J].Journal of agricultural science and technology,2014(2):60-70.
2)专著——作者.书名[M].版本(第一版可略).出版地:出版商,出版年.
[3] 方中达.植病研究方法[M].第3版.北京:中国农业出版社,1998.
[4] MONTGOMERY D C.Design and analysis of experiments[M].3rd ed.New York:John Wiley Sons,1991.