tag:blogger.com,1999:blog-3284486946486556093.post7284795333288464068..comments2020-07-12T06:17:10.862-06:00Comments on CSU Extension Greenhouse & Nursery Diagnostics: Fennel-Unknown problemBrookehttp://www.blogger.com/profile/18228415141915641030noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-3284486946486556093.post-2600556847902198402008-05-16T22:51:00.000-06:002008-05-16T22:51:00.000-06:00Correct me if I'm wrong, but yellowing of the old ...Correct me if I'm wrong, but yellowing of the old growth is often a sign of a deficiency in one of the plant-mobile nutrients, right? (The nutrients that can be re-translocated within the plant.)<BR/><BR/>N, P, K, Mg, and Zn if memory serves.<BR/><BR/>Of course you're probably right - if it's rootbound it can do the same thing (in fact that could be part of the cause of a deficiency even). cultiv8https://www.blogger.com/profile/09221374963960666930noreply@blogger.com