Reader Comments (23)
Post a new comment on this article
-
1 Response02 Oct 2015
22:35 GMT
Most RecentUse of manure as substitute for synthetic fertilizer Posted by AMMcGuire on 30 Sep 2015 at 18:43 GMT -
2 Responses01 Oct 2015
14:30 GMT
Most RecentAnswers to frequently asked questions Posted by asdavis1 on 16 Nov 2012 at 17:57 GMT -
4 Responses15 Jan 2013
18:05 GMT
Most RecentMedia Coverage of This Article Posted by asdavis1 on 22 Oct 2012 at 16:52 GMT -
5 Responses28 Dec 2012
15:53 GMT
Most RecentQuestions and comments Posted by Pdiff on 02 Nov 2012 at 19:03 GMT -
1 Response08 Nov 2012
19:37 GMT
Most RecentGeneralization of economic results Posted by damiller51 on 05 Nov 2012 at 18:36 GMT -
1 Response05 Nov 2012
19:51 GMT
Most RecentSuitability of cultivation as weed control mechanism Posted by damiller51 on 05 Nov 2012 at 18:39 GMT -
2 Responses22 Oct 2012
01:59 GMT
Most RecentNon-specialists need to be careful with the yield units. Posted by daedalus2u on 20 Oct 2012 at 05:17 GMT