ELE International Ltd
Environmental monitoring and testing equipment for weather, water, soil and agronomics from ELE International
http://www.ele.com/env/int/index.htm

Kuhn S.A.
Produces soil preparation and fertilization, cultivation, and landscaping equipment. Includes implement selection guide, calibration charts, and company news.
http://www.kuhn-usa.com/

The Pedosphere and Its Dynamics: A Systems Approach to Soil Science
Online reference book. It explains aspects of soil science e.g. function of soil, soil profiles, soil texture, soil formation, organic matter and the interactions between soil and the air and water.
http://www.pedosphere.com/

Schrader Environmental - Remediation Equipment Technologies
Remediation and Carbon Adsorption Equipment. New, used, and rental equipment. Build mobile treatment systems for soil vapor extraction, air strippers for MTBE. Catalytic Oxidizers available
http://www.angelfire.com/mi2/schrader/index3.html

JMC Soil Samplers
Offers soil probes, and soil sampling equipment.
http://www.jmcsoil.com

Storey Books
Peter Storey - books about soil and water conservation, soil improvement, bamboo, Durable Rural Development and technology for developing countries
http://www.peterstorey.co.uk

Introduction to Soils
Lectures about soil surveys, soil texture, soil acidity and soil fertility. Information about liming, fertilization and soil testing with particular reference to forestry.
http://syllabus.syr.edu/esf/rdbriggs/for345/syllabus.htm

Soilmoisture Equipment Corp.
Manufacturer of instruments to measure and extract soil moisture. Products include tensiometers; extractors, compressors and manifolds; plant water status console; salinity sensing equipment; soil permeability equipment; samplers; and related instrumentation and electronic systems.
http://www.soilmoisture.com

Soil working equipment
Ovlac : Principal fabricante y distribuidor de arados de vertedera y maquinaria agrícola
http://www.ovlac.com

Cement Soil Mixing in Soft Ground
A short abstract by Peter J. Nicholson detailing the use of cement for soil mixing. It includes treated soil characteristics, construction methods and equipment, and quality control and testing.
http://gem1.cive.uh.edu/content/conf_exhib/99_present/13.htm