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 DIRECTORY/Science/Tech/Agriculture/Soils/Soil Fertility and Fertilizers (48)
i0Chloride Crop Nutrition - http://www.ppi-far.org/chloride/index.html - Essential nutrient for plant growth. Testing for deficiencies and effects on plant growth. Effect on plant diseases.
 
i0Effects of Organic and Inorganic Fertilizers on Soil Fertility and Crop Quality - http://www.jdb.se/sbfi/publ/boston/boston7.html - Describes the results of a long-term field experiment in Sweden. By Artur Granstedt and Lars Kjellenberg.
 
i0Efficient Fertilizer Use Manual - http://www.back-to-basics.net/efu/efu.html - Comprehensive online book about proper fertilizer uses, soil pH and soil sampling.
 
i0European Fertilizer Manufacturers Association - http://www.efma.org/ - Contains details about plant nutrient requirements, recommendations for fertilizer use and best agricultural practices for fertilizer application.
 
i0European Network for Field Vegetable Crops - http://www.hri.ac.uk/enveg/ - Environmental problems associated with the nitrogen fertilization of field grown vegetables.
 
i0Fertile Minds - http://www.fertile-minds.org/ - A program by PotashCorp to address misconceptions about fertilizers and the role of the fertilizer industry. Detailed description of fertilzer use and production. Many downloads and a quiz.
 
i0Fertiliser Deficiencies - http://www.msue.msu.edu/msue/imp/modf1/modf1d.html - Papers describing deficiency symptom in crops and field vegetables.
 
i0Fertiliser Manufacturers Research Association - http://www.fertresearch.org.nz/ - Aims to promote and encourage responsible fertilizer use. Contains many fertilizer fact sheets.
 
i0Fertilizer Industry Federation of Australia - http://www.fifa.asn.au/default.asp?V_DOC_ID=839 - Provides publications and educational material.
 
i0Fertilizer and Lime Research Center, New Zealand - http://www.massey.ac.nz/~flrc/ - Agricultural use and the environmental impact of fertilizer, lime and soil amendments.
 
i0Fertilizers, Soil fertility, Plant Nutrition - http://www.agnet.org/library/soilfert/ - Information on all aspects of soil fertility and fertilizers.
 
i0Field Museum - http://www.fieldmuseum.org/undergroundadventure/ - Educational site for students and teachers about soil and soil biology.
 
i0Foliar Fertilizer - http://foliarfert.com/ - Introduction to the sources of, and the uses of foliar fertilizer.
 
i0Getting Back to Basics - http://www.back-to-basics.net - Crop information for all US regions and information on soil fertility and fertilizer application.
 
i0International Fertilizer Development Center - http://www.ifdc.org/ - Production and agronomic effectiveness of fertilizers.
 
i0International Fertilizer Industry Association - http://www.fertilizer.org/ - Describes the production, distribution and consumption of fertilizers, their intermediates and raw materials
 
i0Introduction to Soils - http://syllabus.syr.edu/esf/rdbriggs/for345/syllabus.htm - Lectures about soil surveys, soil texture, soil acidity and soil fertility. Information about liming, fertilization and soil testing with particular reference to forestry.
 
i0Introductory Soil Science - http://www.soils.umn.edu/academics/classes/soil2125/doc/labunts.htm - 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.
 
i0Iron Chlorosis - http://ohioline.osu.edu/hyg-fact/1000/1009.html - Explains how to detect and combat iron deficiency in plants.
 
i0Kieserite - http://www.kieserite.com/ - 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.
 
i0Manures and Fertilizers - http://www.indiaagronet.com/indiaagronet/Manuers_fertilizers/Manure_Fert.htm - Indian Agricultural Resources. Information about manures, organic, inorganic and biofertilizers.
 
i0Micronutrient Disorders, HYG-1252-98 - http://ohioline.osu.edu/hyg-fact/1000/1252.html - On the deficiencies that may occur in soilless floriculture, and how these can be remedied.
 
i0NPK Plant Nutrient Models - http://www.qpais.co.uk/npk/infoindx.htm - 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.
 
i0Phosphorus and potassium - http://www.omafra.gov.on.ca/english/crops/facts/97-005.htm - Describes the phosphorus (P)and potassium (K) soil testing and fertilizer recommendation system in Ontario, Canada.
 
i0Plant Nutrition and Soil Fertility Laboratory - http://www.agsci.kvl.dk/planteer/indexuk.htm - Institute of the University in Denmark. Features publications and research reports.
 
i0Potassium In Agriculture - http://www.potash-info.com/home.htm - The influence of potassium on plant nutrition and soil.
 
i0Potentially beneficial effects from liming - http://pubpages.unh.edu/~harter/mclean.htm - A university lecture describing the physical and chemical effects of liming on different soil types.
 
i0Preplant Soil Nitrate Tests - http://www.cias.wisc.edu/wicst/pubs/ppnt.htm - Description of tests that allow farmers to adjust nitrogen applications to meet the needs of each specific field.
 
i0Recommended soil testing procedures - http://ag.udel.edu/extension/agnr/soiltesting.htm - Describes important soil tests and explains how to perform and interpret them.
 
i0Secondary and Micronutrients for Vegetables and Field Plants - http://www.msue.msu.edu/msue/imp/modf1/modf1t.html - A series of reports describing the effects of various micronutrients on the growth and health of plants. Pictures of plants with deficiency symptoms.
 
i0Soil Fertility - http://www.seafriends.org.nz/enviro/soil/fertile.htm - Answers questions related to the enhancement and maintenance of soil fertility.
 
i0Soil Fertility - http://www.rce.rutgers.edu/horsepastures/soil_fertility.htm - Application recommendations for different fertilizers.
 
i0Soil Fertility - http://extension.agron.iastate.edu/soilfertility/ - A large collection of information ranging from soil test interpretation to prevention of nutrient deficiencies.
 
i0Soil Fertility Establishment - http://www.cas.psu.edu/docs/casdept/agronomy/forage/docs/fertility/fertilityBdoc.html - Soil fertility management for forage crops. A introduction from the Penn State University's Agronomy Department.
 
i0Soil Fertility Guide - http://www.gov.mb.ca/agriculture/soilwater/soilfert/fbd02s10.html - Common fertilizers and their characteristics.
 
i0Soil Fertility Guide - http://www.gov.mb.ca/agriculture/soilwater/soilfert/fbd02s00.html - 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.
 
i0Soil Fertility Management - http://web.aces.uiuc.edu/faq/faq.pdl?project_id=16 - Frequently asked questions about soil fertility, the application of animal wastes, organic and chemical fertilizers. Also features an online discussion forum.
 
i0Soil Fertility Research - http://www.wye.ic.ac.uk/sme/projects/soil/index.html - Information about university research with extensive list of publications.
 
i0Soil Fertility for Forage Crops - http://www.cas.psu.edu/docs/casdept/agronomy/forage/docs/fertility/fertility.html - Gives detailed description of the soil and fertilizer requirements of forage crops during establishment and maintenance. University of Pennsylvania.
 
i0Soil Fertilizers - http://www.ncw.wsu.edu/lime.htm - Information with regard to soil pH, fertilizers and lime application.
 
i0Soil Quality Institute (SQI) - http://soils.usda.gov/sqi/ - Research findings and practical technologies that help conserve and improve soil conditions. Applicable to farming, ranching, forestry and gardening.
 
i0Soil fertility and crop nutrition - http://www.omafra.gov.on.ca/english/crops/soils/fertility.html - 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.
 
i0Soil test interpretations - http://www.cahe.nmsu.edu/pubs/_a/a-122.html - Gives examples of soil test values and explains their significance.
 
i0Soils - http://soils.usda.gov/technical/ - 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.
 
i0Soils and Soil Management - http://web1.msue.msu.edu/msue/imp/modf1/masterf1.html - Offers a database and search function of a range of articles about fertilizers, micronutrients and fertilizer application.
 
i0Sugar Cane Production and Soil Fertility. - http://www.cipav.org.co/lrrd/lrrd7/2/9.htm - Information on the relationship between the quality of sugarcane and soil fertility.
 
i0The International Fertiliser Society - http://www.fertiliser-society.org/ - Scientific, technical, environmental, economic and safety aspects of the production, marketing, use and application of fertilizers.
 
i0What is Soil Fertility - http://www.dnagardens.com/what_is_soil_fertility.htm - Information about soil fertility and how it can be improved.
 
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