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The Formation of Vegetable Mould Through the Action of Worms
This note explains the following topics: Habits Of Worms, The Amount Of Fine Earth Brought Up By Worms To The Surface, The Part Which Worms Have Played In The Burial Of Ancient Buildings, The Action Of Worms In The Denudation Of The Land, The Denudation Of The Land.
Author(s): Charles Darwin
NA Pages 
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
133 Pages
The Formation of Vegetable Mould Through the Action of Worms
This note explains the following topics: Habits Of Worms, The Amount Of Fine Earth Brought Up By Worms To The Surface, The Part Which Worms Have Played In The Burial Of Ancient Buildings, The Action Of Worms In The Denudation Of The Land, The Denudation Of The Land.
Author(s): Charles Darwin
NA Pages
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.
Author(s): The University of Hawai
NA Pages
This note covers the following topics: Soil Physical Properties, Soil-water potential- concepts and measurement, Saturated water flow, Water flow in unsaturated soils, Field soil water regime, Solute movement, Gas flow, Heat transfer, Spatial and temporal variability of soil physical properties.
Author(s): UC Davis
NA Pages
Soil Fertility book presents nine chapters written by renowned soil fertility experts from Africa, Asia and South America. The book is divided into two sections. Section 1, Biological Processes and Integration of Inorganic and Organic Fertilizers for Soil Fertility Improvement, examines biological processes that can enhance the soil fertility. The second section, Improving Fertilizer Recommendation and Efficiency, looks at the state-of-the-art in leaf sampling and analysis.
Author(s): Roland Nuhu Issaka
NA Pages
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.
Author(s): J. H. Walden
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