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Allelopathic? sunflower shoot medium reuse?

Posted by greendot MA (My Page) on
Sun, Jul 7, 13 at 9:01

I grow microgreens and pea and sunflower shoots. I've been reusing some of my growing medium, mostly the old pea shoot medium. Recently I reused some of the sunflower shoot medium. I noticed I have some trays of peas germinating well and some not so well. It certainly could be caused by many things, BUT I am beginning to wonder if the allelopathic nature of sunflowers may be a problem. Do any of you sunflower shoot growers out there reuse growing medium for sunflowers of other things? Have you had good or bad results?

Follow-Up Postings:

RE: Allelopathic? sunflower shoot medium reuse?

I don't think sunflowers are as allelopathic as people think.

RE: Allelopathic? sunflower shoot medium reuse?

greendot ... You need to track what you are doing and track the results, then decide or give us the data to analyse.

Because right now you have "some trays of peas germinating well and some not so well" and you have not even told us how many trays are in which group and what medium they are in.

RE: Allelopathic? sunflower shoot medium reuse?

You say I need to run a trial and give you the data to analyze. I have the statistical skills to analyze data myself and am not asking for data analysis, and am certainly not at the point of spending time running trials. I asked what others experiences were with media reuse, as I had a vague suspicion about possible allelopathy.
I am rather new here. Is asking for others experiences inappropriate? I hope to share my experiences also.
Kind of felt like I asked for others experiences and your answer was to figure it out myself. Am I wrong or have I greatly misunderstood thinkgs?

little_minnie, thanks for your reply.

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