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  • Late Blight on Tomato Plants

    Created by Karen Hermansen on

    I have wonderful loamy clay soil, but it is already high is phosphorus and potash and on the alkaline side due to the limestone bedrock here in southeastern Wisconsin. I see that your bat guano is very high in phosphorus. What would be a good organic fertilizer to use. After forty years of organic gardening, in three different states, I never had a problem with late blight, but for the last two years, despite planting them in different beds, I have lost all my tomatoes to late blight. Any suggestions?

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  • #170564

    E. Vinje
    Keymaster

    Karen –

    Sounds like you’re doing well with soil and nutrients, except maybe to add some nitrogen to the mix. Try some alfalfa meal! I hope these links help:

    Alfalfa Pellets

    Late Blight

    Thank you!

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