This note describes the following topics: Soil Forming Processes, Aerial
Photography, Soil Classification and Land Capability Classification, Soil
Physical Properties, Soil Structure and Consistency, Densities of Soil, Porosity
and Soil Color, Soil Air and Temperature, Soil Water, Soil Colloids, Ion
Exchange, Soil pH and Nutrient Availability, Soil Organic Matter, Soil
Environmental Quality and Quality of Irrigation Water .
Author(s): Dr. D. Tripathi, Dr. S. Mani and Sh. Mohinder
Singh
This PDF covers the following topics
related to Soil Biology : The Soil Food Web, the Food Web & Soil Health,
Bacteria, Soil Fungi, Soil Protozoa, Nematodes, Arthropods, Earthworms.
The purpose of this web
resource is to provide fundamental concepts for managing nutrients in tropical
soils and container crop production. Topics covered includes: Soil composition,
Soil profile Factors that cause differences in soil behavior and performance,
Goals of Modern Nutrient Management, Soil-Nutrient Relationships, Soil Acidity
and Liming, Essential Nutrients, Soil Fertility Evaluation, Fertilizer Material,
Fertilizer Placement.
Goal of this guide is to
make clear these essential connections between human well-being and the soil,
and to provide a benchmark against which our collective progress to conserve
this essential resource can be measured.
Author(s): Intergovernmental Technical Panel on Soils,
Food and Agriculture Organization of the United Nations
This volume is designed to be a complete
manual for all but amateur cultivators. The object of this volume is to
condense, and present in an intelligible form, all important established facts
in the science of soil-culture. The author claims originality, as to the
discovery of facts and principles, in but few cases.
The book is intended to help children to
study nature. This book covers the following topics: What is the soil
made of, more about the clay, what lime does to clay, some experiments with
the sand, the plant food in the soil, the dwellers in the soil, the soil and
the plant, cultivation and tillage, the soil and the countryside, how soil has
been made.
This note covers the
following topics: the goal of soil biology management, why should land managers
understand soil biology?, the underground community, what controls soil
biology?, general management strategies, considerations for specific land uses,
cropland, forestland, rangeland, assessment and monitoring.