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< 【 International Plant Cultivation and Parenting Skill Standard (Elementary)】II.Scientific Soil Testi
1. Course Outline+ 2. Overview of Soil and Fertilizers+ 3. Purpose and Significance of Soil Detecting and Fertilization+ 4. Cognition of Soil Formation and Development+ 5. Solid Phase Composition of Soil+

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6. Liquid Phase Composition of Soil+ 7. The Gas Phase Composition of Soil+

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