Please enable JavaScript.
Coggle requires JavaScript to display documents.
SOIL AND SOIL FERTILITY (FACTORS AFFECTING SOIL FERTILITY (Climate,…
SOIL AND SOIL FERTILITY
INTRODUCTION
THE PROCESS OF
SOIL FORMATION
Soil Formation by Denudation
Physical Weathering
Chemical Weathering
Biological Weathering
Soil Formation by Deposition
Effects of Volcanic Action
Effects of Animal and Plant Matter
Effects of Soil Organisms
Effects of Human Activities
CHARACTERISTICS
OF SOIL PROFILE
Development of Soil Profile
Development of Soil Horizons
Importance of Soil Profile
Soils Specific to the Caribbean Region
MAJOR COMPONENTS OF SOIL
Inorganic Soil Components:
Sand, Silt and Clay Particles
Organic Soil Components:
Humus and Soil Organisms
Water
Air
TYPES OF SOIL
Types of Soil Based on Particle Size
Loam
Types of Soil Based on Origin
PHYSICAL PROPERTIES
OF SOIL
Soil Texture and Structure
Soil Texture
Soil Structure
Soil Porosity and Soil Aeration
Soil Temperature and Soil Organisms
Water Content
CHEMICAL PROPERTIES OF SOIL
pH
Cation Exchange Capacity
Organic and Mineral Matter
Affecting Soil pH and Cation
Exchange Capacity
RECYCLING OF
MAJOR ELEMENTS IN NATURE
Carbon Cycle
Nitrogen Cycle
Water Cycle
FACTORS AFFECTING
SOIL FERTILITY
Climate
Biotic Factors
Topographic Factors
Nature of Parent Material
Soil Management
Physical and Chemical Conditions of Soil
Organic and Inorganic Fertilisers
NUTRIENTS REQUIRED FOR CROP PRODUCTION
Micronutrients and Macronutrients
FERTILISER RATIO
FACTORS ENHANCING
SOIL FERTILITY
Soil Amendments
Manures
Inorganic Fertilisers
Organic Fertilisers
Cropping System
Soil and Land Management
COMPOSTING
Raw Materials for Composting
The Process of Composting
Factors Affecting Composting