https://www.dropbox.com/s/k8iacuw6arvu2g0/lesson18-140904221119-phpapp02.pptx?dl=1

1. Lesson 18

10. • http://www.growsonyou.com/question/show/10084-how-to-cure-this-sick-plant
• http://kimsfirstveggiegarden.wordpress.com/2012/07/17/week-17-sick-zucchini/
• http://www.dirtdoctor.com/newforum/root/red-oak-roots-eaten-away-worth-saving-
t6668.html
• http://savingourtrees.wordpress.com/2012/10/05/something-is-wrong-with-the-fig-
trees/
• http://www.yourleaf.org/blog/erin-silverstein/2011-11-21/healthy-roots-mean-healthy-
trees
• http://npic.orst.edu/envir/plants.html
• http://en.wikipedia.org/wiki/Root
• http://russellaaron.wordpress.com/2013/01/07/post-185-or-how-im-getting-back-to-
my-roots/
• http://www.aromahead.com/blog/2011/02/28/community-farms-in-south-africa-a-
small-miracle/young-plant-growing-in-sunshine/