Plants don't care where their nutrients come from. Its not the source of the nutrients that is the problem. Toxicities arise in fertilizers when and how it is manufactured or mined. That is not to say that so-called organic fertilizers are blameless and that topic will be handled in another podcast. Learn how plants use nutrients, which nutrients are important for plant growth and why. Learn how to apply fertilizers and when in this Desert Horticulture podcast.
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