Soil Nutrients - Crop and Soil Science - Lecture Slides, Slides of Botany and Agronomy

Download Soil Nutrients - Crop and Soil Science - Lecture Slides and more Slides Botany and Agronomy in PDF only on Docsity! Soil Nutrients Docsity.com Nutrients Plants Acquire From Air And Water • Carbon • Hydrogen • Oxygen Docsity.com The Micronutrients • Boron • Chlorine • Copper • Iron • Manganese • Molybdenum • Zinc Docsity.com The 16 Essential Nutrients • Boron • Calcium • Carbon • Chlorine • Copper • Hydrogen • Iron • Magnesium Manganese Molybdenum Nitrogen Oxygen Phosphorus Potassium Sulfur Zinc Docsity.com Functions Of Primary Nutrients And Deficiency Symptoms • Nitrogen (N): most important nutrient besides water; determines rate of growth – deficiency symptom: yellowing of leaves • Phosphorous (P): required during germination and fruit/seed formation – Deficiency symptoms: stunted growth; purple-colored leaves • Potassium (K): regulatory – Deficiency symptoms: stunted growth; mottled leaves Docsity.com Determining Soil Fertility You can use any of the following methods to determine soil fertility: • soil tests • managing organic matter • fertilizing Docsity.com What Is Fertilizer Analysis? • The amount of the different nutrients found in a fertilizer. – It is always listed as a percent. – It is always listed Nitrogen-Phosphorous- Potassium (N-P-K). • For example, a fertilizer labeled 10-15-10 is 10% Nitrogen, 15% Phosphorous, and 10% Potassium. – If there is a fourth letter, it designates the nutrient sulfur. Docsity.com Example Problem For Determining The Amount Of A Nutrient In A Fertilizer • How many pounds of nitrogen are in a 50 pound bag of 10-15-10? – 10% of 50# = 5# Nitrogen Docsity.com