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Essential Crop Macronutrients
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Calcium (Ca)
Role in plant growth: Integral for cell wall structure, cell division, and signaling. Common fertilizer sources: gypsum, lime, and calcium nitrate.
Phosphorus (P)
Role in plant growth: Essential for energy transfer and genetic material (DNA, RNA). Common fertilizer sources: rock phosphate, bone meal, and superphosphate.
Nitrogen (N)
Role in plant growth: Critical for photosynthesis and protein synthesis. Common fertilizer sources: urea, ammonium nitrate, and fish emulsion.
Potassium (K)
Role in plant growth: Regulates osmotic balance, enzyme activation, and stress resistance. Common fertilizer sources: potassium chloride, potassium sulfate, and greensand.
Magnesium (Mg)
Role in plant growth: Central component of the chlorophyll molecule, necessary for photosynthesis. Common fertilizer sources: Epsom salts, dolomitic lime, and magnesium sulfate.
Sulfur (S)
Role in plant growth: Important for protein synthesis and some vitamins. Common fertilizer sources: gypsum, elemental sulfur, and ammonium sulfate.
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