Relative cost to soil fertility of long-term crop production without fertilization
Campbell, C. A., Selles, F., Harapiak, J. T., Lafond, G. P.Volume:
76
Language:
english
Journal:
Canadian Journal of Plant Science
DOI:
10.4141/cjps96-071
Date:
July, 1996
File:
PDF, 496 KB
english, 1996