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Plant Health & Troubleshooting

Everything we've published on plant health & troubleshooting — structured courses and short, useful articles to help you put it into practice.

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A gardener examines plant leaves and soil in a sunlit garden bed, comparing old and new growth while reviewing a soil test report.

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CoursePlant Health & TroubleshootingCOURSE-0050

Diagnose & Fix: Reading Your Plants and Soil

Read your plants and soil to find the real cause of a problem and fix it: the old-leaf vs new-leaf method, the real causes behind "deficiencies" (pH, balance, water), soil-structure problems, healthy soil as your first defense, and how to read a soil test.

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