Soil Fertility and Fertilizers

• Back-to-Basics: Soil Fertility Information  - Fertilizer manual showcasing basic information about fertilizers - proper uses, soil pH, soil sampling, and more.
• Effects of Organic and Inorganic Fertilizers on Soil Fertility and Crop Quality  - Details on the study done to examine nutrient parameters.
• Fert Research  - Access to abstract of the center, research, resources, education and links.
• Fertile Minds  - Presents fertilizer fundamentals and other related information. Includes research and links.
• Fertilizer Deficiencies  - Links to documents on nutrient deficiency, denitrification, and other related topics.
• Fertilizer Industry Federation of Australia  - Organization profile, information on the fertilizer industry, conference call, and access to publications.
• International Center for Soil Fertility and Agricultural Development  - Showcases gallery of programs, training calendar, publications, related links, background of the group.
• International Fertilizer Industry Association  - Overview of the group, its activities, membership, publications, conferences and events.
• International Fertilizer Society  - Global organization for those interested in various aspects of fertilizer production, marketing, and application.
• Iowa State University Extension: Soil Fertility  - Access to information on nutrient topics, soil test lab facility, weather updates, faculty and staff roster, photo gallery, and related links.
• Manures and Fertilizers  - Extensive information on organic and inorganic fertilizers, as well as bio-fertilizers.
• Massey University Fertilizer and Lime Research Center  - Fosters research and collaborative projects in the field of soil, plant, water and fertilizer materials.
• Micronutrient Disorders, HYG-1252-98  - Tables and information on micronutrient management.
• Natural Resources Conservation Service Soil Quality Unit  - Serves as information resource for improving soil quality. Includes assessment and management details.
• Phosphorus and Potassium  - Evaluates the nutrients soil testing and fertilizer recommendation system as new methods, hybrids and management practices are developed.
• Potash One Inc.  - Agriculture focused resource development company with current Potash permits. Well positioned to benefit from the growing global demand for biofuels.
• Potentially Beneficial Effects from Liming  - Addresses the question of how responses to lime differ under tropical and temperate conditions and why they do so.
• Recommended Soil Testing Procedures  - List and information on different recommended procedures.
• Secondary and Micronutrients for Vegetables and Field Plants  - Links to soil testing procedure and information on toxicities of selected micronutrients.
• Soil Fertility  - Document gives details on how to produce crops more while damaging the soil less.
• Soil Fertility and Crop Nutrition  - Presents links to fact sheets, info sheets, and publications covering soil fertility related topics.
• Soil Fertility Management  - List of links to FAQs in relation to soybean cultivation soil management.
• Soil Test Interpretations  - Provides descriptions and tables for accurate soil test interpretations.
• Some Thoughts About Soil pH, Fertilizers and Lime  - Details and tips on soil chemistry.
• SUNJ Rutgers Extension: Soil Fertility  - Details on the recommended ratios of nitrogen, phosphorous, and potassium.