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soil turning green on my starter seed trays, why?

I am growing in a greenhouse and started my seeds, but the soil is turning green. The only difference this year is a wood heater.

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1 Comment To "soil turning green on my starter seed trays, why?"

#1 Comment By Heather On 03/13/2014 @ 5:41 pm

It sounds like there is algae on the soil. It is not harmful but it does indicate that there may be too much moisture in the soil. You should reduce slightly the amount of water the plants are getting.

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