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Subject listing for: Other Nutrients |
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Alaska Humus is the standard for use in humus tea brewing and as a stable, long lasting and fertile garden soil amendment.
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BioAg Corporation feature Humic and Fulvic acid products and other soil amendments certified for organic use.
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This Michigan State University site gives general information on cover crop management, cover crops and soil, cover crops in cropping systems, and cover crop species.
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This information sheet from the Virginia Association for Biological Farming is a practical guide to balanced nutrition for soil and crops.
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Faust Bio-Agricultural Services produces high quality organic natural fertilizers and soil amendments which provide long term benefits in farming, lawn, and gardening applications.
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This paper outlines what is meant by cation exchage capacity through a definition, measurements and its relationship to fertilization practices.
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Hendrikus Organics offer organic fertilizers, soils, soil amendments, compost teas and tea brewers that help create healthy soils.
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This University of Illinois Extension database contains brief definitions and/or information on topics including compost, mulch, pH levels, soil minerals and elements, manure, green manure crops, and more.
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North Pacific Ag Products is a wholesale distributor of agricultural gypsum products. Their products include rock phospate, gypsum, high calcium pelletized lime, dolomite lime, pelletized gypsum, granulated 9-3-7, granulated steamed bone meal, NP organics and testing.
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Part of the University of Florida's extension materials on soil and water, this nutrient management series provides links to articles regarding management of nutrients in soils: testing, sampling, fertilization, and recommendations.
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An Australian based company working toward a new, more sustainable approach to agriculture.
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This FARM Facts extension bulletin through Saskatchewan Agriculture, Food and Rural Revitalization provides an in depth look at nutrients in regards to soil fertility and management, and how to supply vital nutrients organically.
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Colorado State University Extension provides information on how to use organic materials as nitrogen fertilizers, carbon to nitrogen ratios as well as other considerations when adding organic compounds to soils, such as the rate of decomposition and the addition of toxic materials.
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This site provides information about soil properties in sustainable agriculture, and specifically detailed information on nitrogen, phosphorus, and potassium. Insights on how to fertilize organically.
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This outreach "Science You Can Use" article provides an overview of organic matter and specific nutrients as well as requirements for crops (PDF).
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Una lista de "cosmos.com" de proveedores de cal agricola en Mexico.
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Outlines the micronutrients needed for field crops, how to detect deficiencies and then how to correct them. Also contains information on zinc, boron, copper, and molybdenum.
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This clearly explained and illustrated web-chapter from a New Zealand conservation organization describes the role of soil organisms in the nutrient cycles that characterize farming ecosystems.
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The first part of comprehensive training materials regarding soil acidity and liming.
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The second part of comprehensive training materials regarding soil acidity and liming.
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This information sheet from the Virginia Association for Biological Farming provides practical information on soil cation nutrient balancing including background and site specific information.
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CIAT, ICRAF, and TSBF have published information on the problems regarding soil fertility, progress and achievements, as well as what to look forward to and issues surrounding funding.
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This site outlines the basics behind soil sampling, including procedures, depths, as well as when and how to sample.
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This fact sheet answers the four questions: How often should you sample the soil? Where do you sample a field? What time of year should your samples be collected? How should you sample different tillage systems?
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Colorado State University Extension Service provides explanations on their different types of soil tests. Colorado State University routinely analyzes soil samples for pH, soluble salts, organic matter, nitrate nitrogen, phosphorus, potassium, zinc, iron, copper, manganese, lime and soil texture. Additional tests for gypsum and the sodium adsorption ratio (SAR) may be possible.
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New Mexico State University Extension provides information on how to interpret soil tests. It provides information on how to classify pH, salinity, exchangeable sodium, organic matter, texture, and various metals.
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This paper describes the relationship between soybeans and the thirteen mineral nutrients essential for proper soil fertility.
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ACRES USA discusses the benefits and drawbacks of using lime. It gives an explanation of its effect on pH, water use, and trace elements.
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ACRES USA explains the importance of Carbon and Nitrogen and how to achieve the right balance of each nutrient for specific crops.
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