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Soil_Fertility_and_Fertilizers
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Introductory Soil Science - Lectures and Laboratory Units of the Soil Sciences Courses at the University of Minnesota. All influences on soil fertility are explained and simple soil tests are described.
 
Managing Fertilizers on a Small Farm - Information on soil testing and fertilization for small farms.
 
Plant Nutrition and Soil Fertility Laboratory - Institute of the University in Denmark. Features publications and research reports.
 
Potassium In Agriculture - The influence of potassium on plant nutrition and soil.
 
Potentially beneficial effects from liming - A university lecture describing the physical and chemical effects of liming on different soil types.
 
Preplant Soil Nitrate Tests - Description of tests that allow farmers to adjust nitrogen applications to meet the needs of each specific field.
 
Prof. Dr. Luis I. Prochnow - Describes the research and teaching activities of this soil fertility and fertilizer specialist in Brazil.
 
Rebuilding Lost Soil Fertility - Measures to improve soils suited to farmers in the third world.
 
Soil Characterization - Simple step by step guide to soil sampling and analysis with explanatory images.
 
Soil Fertility - Information from the Department of Agriculture, Australia.
 
Soil Fertility - Information from the Department of Agriculture, Australia.
 
Soil Fertility & Crop Nutrition - A list of factsheet, infosheets and publications available for download or for ordering. These give details about fertilization of different crops, soil management and soil improvement.
 
Soil Fertility Guide - Common fertilizers and their characteristics.
 
Soil Fertility Implications - Describes the different fertilization requirements for direct seeding.
 
Soil Fertility Management - Frequently asked questions about soil fertility, the application of animal wastes, organic and chemical fertilizers. Also features an online discussion forum.
 
Soil Fertility Research - Information about university research.
 
Soil Fertilizers - Information with regard to soil pH, fertilizers and lime application.
 
Soil Quality Institute - Research findings and practical technologies that help conserve and improve soil conditions. Applicable to farming, ranching, forestry and gardening.
 
Soil acidity and liming - A factsheet from the Ministry of Agriculture, Food and Rural Affairs, Ontario, Canada describing the negative effects of soil pH and how to counter them.
 
Soil and Water Science Handbook - Contains information about soil improvement, fertilization, water quality and wetlands.
 
 
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