- Best Management Practices: A Manure Nutrient Management Program - Article describes methods of applying the natural fertilizer, while avoiding pollution. From the Ohio State University Extension - Department of Horticulture and Crop Science.
- College of Agricultural, Consumer and Environmental Sciences: FAQ - Frequently asked questions about soil fertility, the application of animal wastes, organic and chemical fertilizers.
- Effects of Organic and Inorganic Fertilizers on Soil Fertility and Crop Quality - Describes the results of a long-term field experiment in Sweden. By Artur Granstedt and Lars Kjellenberg.
- Efficient Fertilizer Use Manual - An online book about proper fertilizer uses, soil pH and soil sampling.
- European Fertilizer Manufacturers Association - Contains details about plant nutrient requirements, recommendations for fertilizer use and best agricultural practices for fertilizer application.
- Fertiliser Manufacturers Research Association - Aims to promote and encourage responsible fertilizer use. Contains many fertilizer fact sheets.
- Fertilizer and Lime Research Center, New Zealand - Agricultural use and the environmental impact of fertilizer, lime and soil amendments.
- Fertilizer Application and Placement - Provides general guidance on the purchase, use and timing of nitrogenous fertilizers and on the application of phosphorus, potassium and sulphur.
- Fertilizer Industry Federation of Australia - Provides publications and educational material.
- Getting Back to Basics - Crop information for all US regions and information on soil fertility and fertilizer application.
- International Fertilizer Development Center - Production and agronomic effectiveness of fertilizers.
- International Fertilizer Industry Association - Describes the production, distribution and consumption of fertilizers, their intermediates and raw materials
- Iron Chlorosis - Explains how to detect and combat iron deficiency in plants.
- Kieserite - Magnesium/sulphur deficiency symptoms are widespread due to inappropriate nutrient management. This website offers not only details about the origin, properties and production of Kieserite, but also a wide range of information concerning its importance and possibilities of use in agriculture.
- Manures and Fertilizers - Indian Agricultural Resources. Information about manures, organic, inorganic and biofertilizers.
- Micronutrient Disorders - Provides information on specific micronutrients, how to recognize deficiencies and excesses, and how to correct the situation after identifying the problem by soil and foliar analysis.
- Nutrient Value of Slurry and Dirty Water - Factsheet in Welsh and English from the Dairy Development Centre on calculating the nutrient value and maximizing the nitrogen availability of these products.
- Nutrients for Life Foundation - Organization aiming to provide science-based information to help educate people about the benefits of fertilizer. Includes information for consumers, students, teachers and grassroot activists.
- Potentially Beneficial Effects from Liming - Abstract from a university lecture describing the physical and chemical effects of liming on different soil types.
- Recommended Soil Testing Procedures - Describes important soil tests and explains how to perform and interpret them.
- Smart! Fertilizer Management Software - Fertilizer calculator and fertilizer management tool, providing guidance on fertilizer recipes, cost analysis and fertilizer mixes.
- Soil Fertility - Answers questions related to the enhancement and maintenance of soil fertility.
- Soil Fertility - Application recommendations for different fertilizers.
- Soil Fertility - A large collection of information ranging from soil test interpretation to prevention of nutrient deficiencies.
- Soil Fertility and Crop Nutrition - The Ontario Ministry of Agriculture, Food and Rural Affairs offers a large collection of newsletters and factsheets with topics ranging from soil sampling to fertilizer requirements and micronutrients.
- Soil Fertility Guide - Soil fertility practices in Manitoba and general fertilizer use considerations. Details about fertilizers, their characteristics, application rates and usage recommendations. N-fixation, manure and soil factors are also described.
- Soil Fertilizers - Information with regard to soil pH, fertilizers and lime application.
- Soil Health and Fertility - Provides a number of downloadable publications on various aspects of soil management, provided by the NSW Department of Primary Industries.
- Soil, Water and Agricultural Testing Laboratory - Self supporting lab at New Mexico State University providing chemical testing for plants and soils.
- Soil Quality Institute (SQI) - Research findings and practical technologies that help conserve and improve soil conditions. Applicable to farming, ranching, forestry and gardening.
- Soil Quality Test Kit - Information on a kit developed in conjunction with Ohio State University for testing soil for active organic matter as a measure of quality.
- Soil test interpretations - Gives examples of soil test values and explains their significance.
- Soil Testing is an Excellent Investment for Garden Plants and Commercial Crops - Soil testing is an inexpensive way of maintaining good plant health and maximum crop productivity and this factsheet provides guidance on why, when and how to test soil.
- Soils - This site from the Manitoba Agriculture, Food and Rural Initiatives offers advice and information about the management and fertility of soil. Includes erosion, salinity and soil surveys.
- Soils, Cropping Practices and Fertilizer Use - Describes the fertilizer requirements of different soil types, with particular reference to Alberta.
- The International Fertiliser Society - Scientific, technical, environmental, economic and safety aspects of the production, marketing, use and application of fertilizers.
- The Phosphorus and Potassium Soil Testing and Fertilizer Recommendation System in Ontario - Ontario has developed a soil testing service with a strong scientific basis which relies on the correct method of extraction of available nutrients and accurate forecasting of the response of crops to the resulting fertilizer application.
- Understanding Potassium and its Role in Agriculture - The influence of potassium on plant nutrition and soil.
- What is Soil Fertility? - Information about soil fertility and how it can be improved.
Last update: Apr 28, 2012 18:35:00. Phy.org is a private web site, powered by the Open Directory Project.
