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Science >
Agriculture >
Soils
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Agriculture >
Soils >
Academic_Departments
- Moses Tenywa-Makooma - Personal page of agriculture scientist provides access to his published works on soil research and cropping systems, plus more related publications.
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Agriculture >
Soils >
Academic_Departments >
Regional
- TUM Soil Science Department - Links to research areas, curriculum, services, publications, and news.
- School of Land, Crop and Food Science – University of Queensland - Provides multidisciplinary training across the core areas of soil and water, crop and food, and for those interested in agricultural, environmental and food sciences.
- Department of Soil Science – University of Saskatchewan - Gives information on the undergraduate and graduate programs, research activities, news and updates, department history, and photo gallery.
- University of Delaware: Environmental Soil Chemistry - Features the department staff, with access to information on research activities, publications, news, and related links.
- Soil Sciences – SLU - Gives list of research areas, educational programs, and related links.
- Department of Agronomy and Soil Science – University of New England - Gives details on teaching activities, course unit outlines, and research interests.
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Academic_Departments >
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United_States
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Soils >
Erosion
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Agriculture >
Soils >
Erosion >
Control
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Agriculture >
Soils >
Erosion >
Wind
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Soils >
Instruments_and_Supplies
- Aquaflex - Features its soil moisture meters – useful given the inherent variability of soil and the non-uniformity of water application.
- Kel Instruments - Distributes soil acidity and moisture testers, salinity testers, and soil phD meters.
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Soils >
Organizations >
Regional
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Agriculture >
Soils >
Physics
- Draft Tutorials in Soil Physics - Tutorials for sophomore to senior, graduate, and post-doctoral levels in PowerPoint format.
- WebScience - Includes calculators for soil texture determination and soil physical properties measurement.
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Agriculture >
Soils >
Salinity
- Soil Salinity Study - Overview, causes and effects of dryland salinity, experiments, and related links.
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Agriculture >
Soils >
Soil_Fertility_and_Fertilizers
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Agriculture >
Soils >
Soil_Morphology,_Classification_and_Survey
- Alkaline Gut of Termites as Cause for Latosol and Laterite Creation - Analysis on the probability of silica leaching to leave out iron and aluminum oxides behind as being caused by a high alkalinity past the mid gut of termites.
- Bulk Density Determination - Describes the benefits and procedures for determining bulk-density values through the clod method.
- Canadian Soil Information System - Includes data and resources on soil landscapes and surveys.
- Distribution Maps of Dominant Soil Orders - List of soil orders with their photo, description, and distribution map.
- World Soil Resources Map Index - Collection of world maps depict various soil and water climate.
- Lang Penetrometer - Photos and technical data sheet on the soil compaction meter.
- Major Soils of Tuapaka - General information, soil characteristics, description, properties and use, and photo.
- Soil Survey - USDA soil survey resources – map and table brochure, publications, laboratory and research data, and status and schedule.
- Photo Gallery - Includes state soils, profiles, landscapes, soil taxonomy poster, and soil order classification.
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Agriculture >
Sustainable_Agriculture >
Organic_Farming
- Organic-Growers Web Site - Serves as a forum for individuals, farms and growers interested in organic farming. Also contains growers index, seed sources, list of suppliers, and related resources.
- Organic Farming Compliance Handbook - Organic resource guide on production principles, national program standards, systems plan, materials compliance, marketing and economics, and list of organizations.
- Organic Inputs Evaluation - Project aims to develop recommendations for standardized procedures for the assessment of plant protection products.
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Agriculture >
Sustainable_Agriculture >
Organic_Farming >
Associations >
Regional
- FiBL – Research Institute of Organic Agriculture - Documentation center for organic agriculture.
- Association of Small Producers in Talamanca (APPTA) - Links to organization profile, news, and contact details. Also provides information on products, communities, personnel, and partner organizations.
- Soil Association Scotland - Resources include educational workshops and newsletters, contacts to organic farms, Organic Farming magazine, FAQs, and related links.
- Soil Association - Environmental organization for the promotion of sustainable, organic farming, and healthy lifestyle.
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Organic_Farming >
Associations >
Regional >
Australia
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Organic_Farming >
Associations >
Regional >
United_States
- Northeast Organic Dairy Producers Alliance - Resource for organic dairy farmers, organic milk producers and consumers interested in organic dairy farming and products.
- Florida Certified Organic Growers and Consumers - Non-profit organization for the support and promotion of organic and sustainable agriculture in the region.
- Hawaii Organic Farmers Association - Includes links to organic certification process, product directory, farm apprentice program, FAQs, and newsletter.
- Oregon Biodynamic Group - Represents gardeners, homesteaders, and farmers in the region for the practice and promotion of the non-chemical agricultural movement.
- Organic Materials Review Institute - Provides organic certifiers, growers, manufacturers, and suppliers an independent review of products intended for use in certified organic production, handling, and processing.
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Agriculture >
Sustainable_Agriculture >
Organic_Farming >
Marketing
- Organic Fortnight - Annual event for the promotion of the benefits of living an organic lifestyle.
- PortiaSun - Helps people source producers and produce farmed and produced using environmentally and culturally sustainable techniques and approaches.
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Sustainable_Agriculture >
Organic_Farming >
Viticulture
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Environment >
Biodiversity >
Conservation >
Mammals
- Meerkat Magic - Describing the meerkat conservation project in Oudtshoorn, Western Cape of South Africa. Find photos and tour information.
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Math >
Number_Theory >
Elliptic_Curves_and_Modular_Forms >
Tables
- Infinite Families of Elliptic Curves with Prescribed Torsion - Discusses definition and rational points, with table on torsion group.
- Iwasawa Invariants of Elliptic Curves - Illustrates computations and tables with records on curve's name, rank and primes.
- Modi - Interactive Modular Forms Data Base - Provides collection of all kind of formulas, data and applications. With technical notes, and details on elliptic and Siegel forms.
- Modular Forms Database - Contains collection of tables, interactive forms, calculators and databases.
- Mordell Curves - Explains minimal-known positive and negative k-value, with conductor table.
- Rational Points on Elliptic Curves - Presents table on Weierstrass forms and Diophantine equations, and integer, rational, rank and torsio results.
- Research Information - Larry Lehman - Contains list of publications on theory and computations, and tables with annotations.
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Math >
Number_Theory >
Factoring
- Discovery of a Lost Factoring Machine - Discusses recovery of device from the Observatoire de Bordeaux.
- Factoring Papers - Contains survey on factorization algorithims, and details on elliptic curve method, quadratic sieve, square roots in number fields, and linear algebra.
- Factorizations of Near-repdigit Numbers - Contains factor tables and information on repunit, plateau and depression. With records, forms and implementations.
- FactorWorld - Dedicated to algorithms and computational results on integer factorization, with research papers, records, codes and announcements.
- Known Amicable Pairs - Shows table with number of amicable pairs according to the number of digits.
- N!+-1 Factoring Status - Provides factoring efforts using elliptic curve method and table notation.
- RSA Laboratories - Factoring Challenge - Awards the first person to factor given numbers, with verification from the lab on the correctness of the factorization.
- Sierpinski Problem - Definition and Status - Provides results on theorem, conjecture and developments in the computational approach of the Sierpinski complexities.
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Science >
Math >
Number_Theory >
Factoring >
Division_Rules
- Digital Divisibility Tests - Helps understand procedure and application of series of numbers.
- Divisibility Criteria - Tells whether one number is divided with another, without actually carrying the division. With computations, examples and definitions.
- Jim Loy - Divisibility Tests - Analyzes process in determining a number's divisibility. With different samples, calculations and methods.
- Divisibility War - Presents card game for secondary level students studying basic mathematics, with details on rules and design process.
- Divisibility Rules - Contains explanations on factoring tricks and arguments on number divisible by various digits.
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Math >
Number_Theory >
Factoring >
Perfect_Numbers
- Christophe Clavier - Aliquot Sequences - Carries out table on statistics and all open ending sequences.
- Juan L. Varona - Aliquot Sequences - Explains calculation and functions of positive integer, perfect number, and status of sequences.
- Catalan Conjecture - Aliquot Sequences - Contains definition, tables, diagrams, databases and links. With factorization of integers and list of programs, projects and records.
- Wieb Bosma - Aliquot Sequences - Explains the Catalan-Dickson conjecture, related methods, and status summary of computation.
- Paul Zimmermann - Aliquot Sequences - Contains definition and investigation on sequences, with tools and table on current status.
- Amicable Numbers - Explains distributions, observations and calculations of friendly numbers, with details on Harshad and Happy pairs.
- Cubes of Perfection - Explains perfect number specified by Euclid's formula and used with different patterns.
- Multiply Perfect Numbers - Contains table on status and historical development of known MPN, and explanation of data and algebraic transformations.
- On a Generalization of Perfect Numbers - Paper discusses relation to arithmetical functions and generalizes amicable pairs and sociable chains.
- Perfect Number - Wolfram MathWorld - Illustrates computation, definition and table with corresponding indices.
- Tables of Aliquot Cycles - Presents table with various known cycles of amicable, sociable, and perfect numbers.
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Number_Theory >
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Tables
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Social_Sciences >
Geography >
Geographic_Information_Systems >
Software >
ArcView
- Andrews Handy ArcView Things - Features how to use ArcView as map server, and tools like theme manager, shape checker, address point converter and theme generator.
- APR Director - Utility design for ArcView GIS users that simplifies opening projects after changing location of important files, and automatically saves backup of projects.
- GeoSnap’s Theme Locator Extension - Improves the way theme sources are located and added to views in ArcView, finds all supported theme sources on hard drives, displays complete list of available themes and selects themes to current ArcView.
- AVPython - Embeds Python programming language within ArcView GIS and breaks barriers to interoperability, scalability and extensibility in building modern application.
- Barr Information Technology Services Downloads - Develops downloadable ArcView extension like polygon tool that extends capability of polygon digitizing, table wizard that creates button toolbar and map tips extension that provides display of data.
- Cedra-AV Parcel - ArcView extension provides tax mapping, parcel maintenance and general polygon editing.
- EasySVG - Provides cost-effective solution for publishing maps and geospatial data using scalable vector graphics.
- Ecogis Geomatics – Downloads - Presents list of downloadable software products with ArcView extension, scripts, licensing and product information and ordering.
- EZClick Tool for ArcMap - Contains zip files for use in setting up EZClick tool from within ArcMap 9, 8 and 3.
- Gateway Mapping’s Software ArcView Extensions - Writes software to make ArcView easier with products like integrator, map bookmaker, geocode magician, and hotlink manager, merge themes wizard, record edit and spatial calculator.
- GIS Short Course Handouts - Lists short course handouts includes introduction to GIS concepts, ArcGIS mapping, data and analysis.
- Alta4 Geoinformatik AG - Germany-based full service GIS provider provides GIS community with valuable tools like HTML imagemapper to publish data.
- Internet Map Wizard - ArcGIS 9 extension converts projects into website, also designed for both experienced and GIS beginners.
- Zebris Geoinformation Systems and Consulting - Innovative company based in Munich provides services and products in GIS, remote sensing and environmental management.
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