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Fertilizer Types and Usage
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Compost
Composition: Decomposed organic matter. Benefits: Improves soil structure, water retention, and microbial activity. Application guidelines: Apply 1-3 inches on topsoil and mix lightly.
Phosphorus Fertilizers
Composition: Often made from rock phosphate treated with sulfuric acid to create phosphoric acid or superphosphate. Benefits: Encourages root development. Application guidelines: Often applied at planting time, beneath the seed placement.
Nitrogen Fertilizers
Composition: Common forms include urea (), ammonium nitrate (), and ammonium sulfate ((). Benefits: Promotes leaf growth. Application guidelines: Apply according to soil test recommendations, often before planting.
Organic Fertilizers
Composition: Derived from plant or animal matter, examples include bone meal, blood meal. Benefits: Improves soil fertility and microbial life. Application guidelines: Apply according to the type of organic fertilizer and crop requirement.
Potassium Fertilizers
Composition: Potassium chloride (), potassium sulfate (). Benefits: Helps with plant stress resistance and strengthens cell walls. Application guidelines: Apply based on soil test, usually before planting.
Slow-Release Fertilizers
Composition: Coated or encapsulated nutrient sources that release over time. Benefits: Reduces the frequency of applications, less risk of nutrient leaching. Application guidelines: Follow label instructions; less frequent applications needed.
Micronutrient Fertilizers
Composition: Contains essential elements like iron, manganese, zinc, copper, molybdenum, boron. Benefits: Prevents micronutrient deficiencies. Application guidelines: Apply in small quantities; foliar application is common.
Liquid Fertilizers
Composition: Nutrients dissolved in water, usually for quick uptake. Benefits: Fast-acting, precise application. Application guidelines: Apply directly to the foliage or root zone; careful not to over-apply and cause damage.
Manure
Composition: Animal waste products. Benefits: Provides many nutrients and organic matter. Application guidelines: Should be well-composted to avoid burning plants; apply during the off-season to allow nutrients to break down.
Inorganic Fertilizers
Composition: Synthetically manufactured nutrients. Benefits: Nutrient-specific, controlled release rates. Application guidelines: Can be applied as granules, powders, or liquid; adhere to recommended rates to prevent burning.
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