tag:blogger.com,1999:blog-6784888233643110349.post8597977003985691160..comments2014-09-14T14:07:22.734+01:00Comments on LONDON GARDENING UNDER DIFFICULTY: WHAT WAS GOOD ABOUT GARDENING IN 2013?Anonymoushttp://www.blogger.com/profile/07187781190046277408noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6784888233643110349.post-7555909824121474602013-11-20T20:47:18.375+00:002013-11-20T20:47:18.375+00:00Walnut trees produce a chemical called "Juglo...Walnut trees produce a chemical called "Juglone" which prevents the growth of other plants. Even if the tree was cut down, it would take years for the soil to become useful. It would have to be dug up and transported out before the plot could be useful again.Dragon Cotterillhttps://www.blogger.com/profile/12901245084526984168noreply@blogger.com