by Liu, X.(Chinese Academy of Sciences, Harbin (China). Northeast Inst. of Geography and Agroecology) E-mail:xbxliu@yahoo.com, Herbert, S.J.(University of Massachusetts, Amherst (USA). Dept. of Plant, Soil and Insect Sciences), Hashemi, A.M.(University of Massachusetts, Amherst (USA). Dept. of Plant, Soil and Insect Sciences), Litchfield, G.V.(University of Massachusetts, Amherst (USA). Dept. of Plant, Soil and Insect Sciences), Zhang, Q.(Chinese Academy of Sciences, Harbin (China). Northeast Inst. of Geography and Agroecology), Barzegar, A.R.(University of Massachusetts, Amherst (USA). Dept. of Plant, Soil and Insect Sciences)
Published in Plant, soil and environment (30.04.2006)

by Liu, X.B, Herbert, S.J, Hashemi, A.M, Litchfield, G.V, Zhang, Q.Y, Barzegar, A.R
Published in Journal of agronomy and crop science (1986) (01.04.2006)

by Herbert S.J, Litchfield G.V
Published in Crop science (1982)

by Herbert, S.J., Litchfield, G.V.
Published in Field crops research (1984)

by Herbert, S.J, Litchfield, G.V, Zhi-yi, L
Published in Applied agricultural research (USA) (1986)

by Herbert, S.J. (University of Massachusetts, Amherst (USA)), Dempsey, D, Cooley, D, Litchfield, G.V
Year of Publication 1989