Soil Nutrient Management

Fundamentals of Soil Science

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

Soil Erosion

In the first section of this book on soil erosion, an introduction to the soil erosion problem is presented. In the first part of the second section, rainfall erosivity is estimated on the basis of pluviograph records and cumulative rainfall depths by means of empirical equations and machine learning methods. In the second part of the second section, a physically-based, hydrodynamic, finite element model is described for the computation of surface runoff and channel flows.

Author(s): Vlassios Hrissanthou

NA Pages

Soil Nutrient Management

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

Soil Science Introduction

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

Land Degradation and Desertification

This book is organized into two sections. The first section covers three major aspects, viz., an understanding of patterns of land degradation and desertification for developing mitigation strategies, land-atmosphere interaction from response of land cover to climate change effects of Karst rocky desertification. The last section dwells on the relationship between soil degradation and crop production and an examination on how land degradation impacts the quality of soil in communal rangelands.

Author(s): Abiud Kaswamila

NA Pages

Lessons on Soil

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.

Author(s): E. J. Russell

NA Pages