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| plant_biology [2008-05-30 13:10] – nik | plant_biology [2008-07-09 13:53] (current) – nik | ||
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| ==== general ==== | ==== general ==== | ||
| * Plantengids / Plant guide / Guide des plantes / Pflanzenführer > http:// | * Plantengids / Plant guide / Guide des plantes / Pflanzenführer > http:// | ||
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| + | ==== nutrients... ==== | ||
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| + | | **non-mineral** | hydrogen (H), oxygen (O), & carbon (C) || | ||
| + | | **mineral** ||| | ||
| + | | **primary nutrients** | nitrogen (N), phosphorus (P), and potassium (K). | usually lacking from the soil as plants use large amounts for growth and survival. | | ||
| + | | **secondary nutrients** | calcium (Ca), magnesium (Mg), and sulfur (S). | usually enough in the soil | | ||
| + | | **micronutrients** | boron (B), copper (Cu), iron (Fe), chloride (Cl), manganese (Mn), molybdenum (Mo) and zinc (Zn). || | ||
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| ==== plant development ==== | ==== plant development ==== | ||
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