|
|
Subject listing for: Soil Chemistry |
Description:
Un artículo de FAR (Foundation for Agronomic Research) que explica el papel de cal agrícola en el suelo.
Description:
Se procedió a caracterizar la Materia Orgánica de diez muestras superficiales de perfiles representativos del Valle Medio del Río Yaracuy, Estado Yaracuy, Venezuela. Los suelos estudiados estaban agrupados dentro de cinco órdenes del Soil Taxonomy. Agronomía Tropical. 26(4)
Accessible from:
Description:
This information sheet from the Virginia Association for Biological Farming is a practical guide to balanced nutrition for soil and crops.
Accessible from:
Description:
Un artículo científico de Agronomía Tropical.
Accessible from:
Description:
This paper outlines what is meant by cation exchage capacity through a definition, measurements and its relationship to fertilization practices.
Accessible from:
Description:
This site outlines the salt accumulation processes, North Dakota Salts, where salts accumulate, saline soil management,as well as how to manage Sodic Soils.
Accessible from:
Description:
Una breve introducción a la estructura interna de la materia orgánica. Parte de una nueva sección de la revista Terralia dedicada a la Materia Orgánica en los suelos agrícolas. Edición No. 8.
Accessible from:
Description:
This technical information section of a laboratory services companies website, discusses soil cation exchange capacity, pH, base saturation, managing saline and alkaline soil, understanding a soil analysis, reclamation of saline and sodic soils, and phosphorus in turf grasses.
Accessible from:
Description:
Published by Ohio State University Extension this fact sheet provides growers with an overview on the subject of micronutrient management for good plant growth in soilless mixes.
Accessible from:
Description:
Características físicas, químicas y biológicas de la materia orgánica (consiste de dos páginas, 18 y 19). Parte de una nueva sección de la revista Terralia dedicada a la Materia Orgánica en los suelos agrícolas. Edición No. 8.
Accessible from:
Description:
Pedosphere.com online magazine's resource page contains links to a glossary of soil science terms, interactive online books and reports, and soil classification and physics utilities. The Canadian System of Soil Classification (Agriculture Canada) and the Interactive Keys to Soil Taxonomy (USDA) are noteworthy.
Accessible from:
Description:
This soil quality links page is an eclectic listing of links to organizations, information sources, and ongoing discussions on management for soil health.
Accessible from:
Description:
Una lista de "cosmos.com" de proveedores de cal agricola en Mexico.
Accessible from:
Description:
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.
Accessible from:
Description:
This on-line fact sheet from Colorado State University Extension (USA) discusses saline, sodic, and saline-sodic soils, how to determine their salinity, and how to treat them.
Accessible from:
Description:
A 2002 update of a Factsheet originally published by the University of Guelph (Canada) in 1985, this fairly extensive document discusses the importance of pH in soils, and techniques for managing acid soils.
Accessible from:
Description:
This fact sheet outlines the necessity and the steps to be taken in order to lime Indiana's soils. It mentions the causes of acidity, how to measure it as well as the benefits of liming. A crop's needs regarding limestone as well as liming sources and application rates are outlined as well.
Accessible from:
Description:
The first part of comprehensive training materials regarding soil acidity and liming.
Accessible from:
Description:
The second part of comprehensive training materials regarding soil acidity and liming.
Accessible from:
Description:
New Mexico State University Extension Service provides information on soil analysis. This includes the objectives of soil analysis, limiting factors, carryover, yields to expect, fertilizer labeling as well as how and where to go for soil analysis.
Accessible from:
Description:
University of Massachusetts extension materials regarding soil and nutrient management such as soil basics (physical and chemical properties, organic matter, etc.), composting, and others.
Accessible from:
Description:
This information sheet from the Virginia Association for Biological Farming provides practical information on soil cation nutrient balancing including background and site specific information.
Accessible from:
Description:
Soil chemistry articles from a number of scientific journals can be accessed through this ASA-CSSA-SSSA collection. Abstracts are freely accessible; access to full text may require payment. Browsing and search functions for related agricultural topics can be found at http://soil.scijournals.org/collections/.
Accessible from:
Description:
This paper looked at soil pH in a long-term rotation, tillage and stubble management field trial that started in 1979. It was presented at the 1998 Australian Agronomy Conference.
Accessible from:
Description:
IITA has prepared a website devoted to different types of soil sampling. This site explains how and why one would conduct each sampling technique.
Accessible from:
Description:
A paper compiled by the North Dakota State University Extension which discusses the importance of Soil Sampling,
Accessible from:
Description:
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?
Accessible from:
Description:
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.
Accessible from:
Description:
ACRES USA discusses the benefits and workings of soil testing.
Accessible from:
Description:
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.
Accessible from:
Description:
This English language site outlines the work done by group members on the topic of soil enzymology in Spain. Provides contact information and information on requesting a copy of their publication.
Accessible from:
Description:
This FAO soils bulletin is an detailed online book that describes and discusses concepts and strategies for sustainable dryland cropping systems, from soil chemical and biological factors to social and economic issues.
Accessible from:
Description:
New Mexico State University Extension provides details of how to test your soil, including supplies needed, where to sample, how to sample, and where to mail the sample.
Accessible from:
Description:
This chloride resource site contains a variety of information and links on the subject of chloride and its importance to the health of crops, specifically wheat.
Accessible from:
The Soil Health Information GatewaySend us E-mail: lhf2@cornell.edu © Copyright 2000 by Soil Health |