Slide Presentation on Soils and Soil Fertility (htm--for review over the web).
Slide Presentation on Soils and Soil Fertility (PowerPoint Download--4,002,000 bytes).
Testing Your Soil - How to Collect and Send Samples PDF (251,000 bytes)
Soil Submittal Form for Texas A&M Lab PDF (48,000 bytes)
Soil Fertility Recommendations for Various Crops and Land Uses
Nutrient Calculator
Fertilizer Requirements of Selected Vegetable Crops
Soil Basics PDF (20,000 bytes)
Soil Science Education Homepage
Soil Characterization Protocols: A Step by Step Guide
New Mexico State University - SOIL 252 - Soils
Soil Basics: GardenGateMagazine.com
Soils and Plant Growth
Lecture Notes for Basic Soils --Outline Only
The World Wide Soil Jumpstation
Designations for Horizons and Layers
Nutrient Content of Fertilizer Materials
Fertilizer: The Basics
World Fertilizer Use Manual
Soil texture triangle: hydraulic properties calculator
Nutrient-Deficiency Symptoms
Fertilizer Requirements of Selected Vegetable Crops
http://www.soilcropandmore.info/soil/vegnut.htm
Back To Basics Soil Fertility
Relative Tolerance of Vegetable Crops to Soil Acidity
Relative Response of Vegetables to Micronutrients
Amount of Sulphur (95% S) Needed to Lower the Soil pH
Plant Nutrients
Brief Description of Plants (Trees, Shrubs, Lawns, Groundcovers, Flowers, Fruits, and House Plants
Fertilizer.com - Lawn & Garden Guide
Nutrient Deficiency Symptoms on Agronomic Crops
Nutrient Deficiency Symptoms Presentation
Nutrient Management Plan--USDA
Nutrient Requirements and Specific Deficiency Symptoms of Vegetable Species
Choosing the Kind and Rate of Fertilizer
Soil Overview
Healthy Soil--Healthy Roses: Soil Chemistry
Basic Soil-Plant Relationships
Fertilizer Guide for California Vegetable Crops
Commercial Vegetable Crop Nutrient Requirements in Florida
Soil Fertility and Fertilizers from Mississippi State University
Improving Garden Soil Fertility -- Oklahoma Cooperative Extension Service
Home and Market Garden Fertilization Guide, New Mexico State University
Plant Nutrient Deficiency Decision Key
Practice Problems On Soil
Soils and Fertilizers
Soil, Erosion, Soil Loss, Soil Conservation