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Top > Science > Agriculture > Soils > Soil Fertility and Fertilizers
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» Chloride Crop Nutrition - Essential nutrient for plant growth. Testing for deficiencies and effects on plant growth. Effect on plant diseases.
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» Fertile Minds - A program by PotashCorp to address misconceptions about fertilizers and the role of the fertilizer industry. Detailed description of fertilizer use and production. Many downloads and a quiz.
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» 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.
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» Field Museum - Educational site for students and teachers about soil and soil biology.
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» Foliar Fertilizer - Introduction to the sources of, and the uses of foliar fertilizer.
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» Getting Back to Basics - Crop information for all US regions and information on soil fertility and fertilizer application.
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» Introductory Soil Science - Lectures and Laboratory Units of the Soil Sciences Courses at the University of Minnesota. Influences on soil fertility are explained and simple soil tests are described.
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» Iron Chlorosis - Explains how to detect and combat iron deficiency in plants.
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» 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.
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» Manure Nutrient Management - Outlines work being undertaken at the Institute of Grassland and Environmental Research into developing management solutions which maximise use of nutrients by forage and crops and minimise pollution of atmosphere and waters.
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» Manures and Fertilizers - Indian Agricultural Resources. Information about manures, organic, inorganic and biofertilizers.
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» Micronutrient Disorders - Provides information on specific micronutrients, how to recognize deficiences and excesses, and how to correct the situation after identifing the problem by soil and foliar analysis.
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» NPK Plant Nutrient Models - Online programs that simulate the response of crops to fertilization, crop residue incorporation and consider the effects of time, soil type, cultural practice and weather. Downloads available for researchers.
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» 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. [PDF]
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» Preplant Soil Nitrate Tests - Description of tests that allow farmers to adjust nitrogen applications to meet the needs of each specific field.
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» Soil Fertility - Application recommendations for different fertilizers.
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» Soil Fertility - A large collection of information ranging from soil test interpretation to prevention of nutrient deficiencies.
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» Soil Fertility - Answers questions related to the enhancement and maintenance of soil fertility.
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» 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 requierements and micronutrients.
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» Soil Fertility Establishment - Soil fertility management for forage crops. A introduction from the Penn State University's Agronomy Department.
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» 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.
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» Soil Fertility Management - Frequently asked questions about soil fertility, the application of animal wastes, organic and chemical fertilizers. Also features an online discussion forum.
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» Soil Fertilizers - Information with regard to soil pH, fertilizers and lime application.
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» Soil Nutrient Management - Outlines research being undertaken at the Institute of Grassland and Environmental Research into the precision management of fertilisers to lower input costs and reduce pollution of water and atmosphere.
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» Soil Quality Institute (SQI) - Research findings and practical technologies that help conserve and improve soil conditions. Applicable to farming, ranching, forestry and gardening.
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» 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. [PDF]
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» 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.
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» Soils and Soil Management - Offers a database and search function of a range of articles about fertilizers, micronutrients and fertilizer application.
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» Sustainable Soil Management - This publication covers basic soil properties and the necessary management steps toward building and maintaining healthy soils, with a list of further resources. [PDF]
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The content of this directory is based on the Open Directory and may have been modified by clixShare
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