Experimental Agriculture /
Volume
47 /
Special Issue 02 /
Fri Apr 01 00:00:00 BST 2011,
pp 293 - 316
Copyright © Cambridge University Press 2011. The online version of this article is published within an Open Access environment subject to the conditions of the Creative Commons Attribution-NonCommercial-ShareAlike licence <http://creativecommons.org/licenses/by-nc-sa/2.5/>. The written permission of Cambridge University Press must be obtained for commercial re-use.
DOI:
http://dx.doi.org/10.1017/S0014479710000785
(About DOI),
Published online: Fri Mar 25 00:00:00 GMT 2011