by Arbenz, Markus, Gould, David, Stopes, Christopher
Published in Organic agriculture (01.09.2017)

by Stopes, Christopher, Woodward, Lawrence
Year of Publication 1988

by Kelly, Hilary RC, Browning, Helen M, Day, Jon EL, Martins, Anne, Pearce, Gareth P, Stopes, Christopher, Edwards, Sandra A
Published in Journal of the science of food and agriculture (01.12.2007)

by Lampkin, Nicolas, Measures, Mark, Pike, Tony, Bulson, Hugh, Stopes, Christopher
Year of Publication 1994

by Demiryurek, K, Stopes, C, Guzel, A
Published in Outlook on agriculture (01.12.2008)

by KELLY, Hilary R. C, BROWNING, Helen M, DAY, Jon E. L, MARTINS, Anne, PEARCE, Gareth P, STOPES, Christopher, EDWARDS, Sandra A
Published in Journal of the science of food and agriculture (2007)