Biological efficiency in agriculture

C.R.W. Spedding, J.M. Walsingham, and A.M. Hoxey
Bok · Engelsk · 1981 C. R. W. Spedding

Utgitt	London : Academic Press , 1981
Omfang	X, 383 s. : ill.
Emner	Agricultural productivity Agriculture Biological productivity Biology, Economic Vis mer... Animal physiology Biotechnology
ISBN	0126565600