Analysis of Fertilizers for Plant Growth
Fertilizers are essential for plant growth by providing necessary nutrients. Learn about the types of fertilizers, their classifications, and the importance of complete vs. incomplete fertilizers. Understand the basic forms of fertilizers and the differences between straight, complex, and mixed fertilizers. Enhance your knowledge of fertilizer analysis to improve soil fertility and enhance plant yield.
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Presentation Transcript
Unit III Analysis of Fertilizer
Syllabus Unit 3 Analysis of fertilizers : Definition, Classification Analysis of fertilizers (For N.P.K. Content)
Introduction to Fertilizers In the same way that humans need to eat properly to stay healthy, so plants need certain nutrients to grow properly. Fertilizer is a substance added to soil to improve plant s growth & yield. Basically it is a chemical or natural substance is added to soil or land to increase its fertility. Fertilizers are food supplements for plants & need 16 nutrients to be healthy.
What is Fertilizer? A fertilizer is any material of natural or synthetic origin that is applied to soils or to plant tissues to supply one or more plant nutrients essential to growth of plant s.
Complete Vs Incomplete Complete has all three primary nutrients-nitrogen phosphorous& potassium. Examples: 10-10-10, 15-30-15, 20-5-20 Incomplete does not have all three primary nutrients. Examples: 20-0-0, 0-20-0, 12-0-44
Basic forms of Fertilizers: Granular:- Designed to be scratched into the soil & water soluble. Powdered:- Designed to be dissolved in water for liquid feeding to soil & foliage. Liquid:- Usually a concentrated form to be mixed with water.
Fertilizers Straight Complex Mixed
Straight fertilizers are those which supply only primary plant nutrient (N, P &K) Ex. Urea Ammonium phosphate Potassium chloride Potassium sulphate Complex fertilizers contain 2 or 3 primary plant nutrients of which two primary nutrients are in chemical combination. Usually produced in granular form. Diammonium phosphate Nitro phosphate Ammonium phosphate Mixed fertilizers are physical mixtures of straight fertilizers. They contain two or three primary plant nutrient. Made by thoroughly mixing the ingredients either mechanically or manually.
