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Table of Contents
Intro
Foreword
Preface
Commonly Used Units and Their Conversion
Surface
Mass
Salinity (Electrical Conductivity-EC)
Concentration
Contents
Editors and Contributors
The Saline Environments in Latin America. Overview and Social Approach
Overview of Salt-Affected Areas in Latin America: Physical, Social and Economic Perspectives
1 Introduction
2 Saline and Sodic Soils in Latin America
2.1 General Analysis
2.2 Salinity in LA Countries
3 Conclusions
References
Environmental, Agricultural, and Socioeconomic Impacts of Salinization to Family-Based Irrigated Agriculture in the Brazilian Semiarid Region
1 Salinization: A Threat to Agriculture and Food Security
2 Impacts of Salinization
2.1 Impacts on Agriculture
2.2 Environmental Impacts
2.3 Social Impacts and the Local Economy
3 Salinity Affecting Irrigation Projects: Local Case Studies
3.1 Irrigated District of Baixo-Açu, Rio Grande Do Norte, Brazil
3.2 Apodi Valley, Rio Grande Do Norte, Brazil
4 Final Considerations
References
Soils, Water, Agriculture and Management in Arid and Semi-Arid Regions
Salt Accumulation and Redistribution in the Dry Plains of Southern South America: Lessons from Land Use Changes
1 Introduction
2 Visible and Hidden Salts
3 Two Key Mechanisms
4 The Imprint of Vegetation Change on Salinity
5 Knowns, Unknowns and Practical Challenges
References
Strategies for the Use of Brackish Water for Crop Production in Northeastern Brazil
1 Introduction
2 Water Sources in Northeastern Brazil
3 Strategies for the Use of Saline Water in Agriculture
3.1 Cultivation of Salt-Tolerant Crops in Northeastern Brazil
3.2 Mixtures and Cyclic Use of Saline Waters
3.3 Use of Brackish Waters at the Stages of Higher Salt Tolerance
3.4 Use of Densely Planted Crops
3.5 Crop Rotation and Intercropping
3.6 Crops in Hydroponic Systems
3.7 Plant Response to Fertilization Under Saline Conditions
3.8 Plant and Microorganism Interactions
3.9 Application of Several Compounds to Mitigate Saline Stress in Plants
4 Sustainable Use of Saline Waters in Agriculture
4.1 Case Study 1: Melon Production Under Irrigation with Brackish Water in Mossoró, RN, Brazil
4.2 Case Study 2: Reuse of Drainage Water in the Irrigated Perimeter of Curu-Pentecoste, Ceará, Brazil
5 Conclusions
References
Potential Agricultural Use of Reject Brine from Desalination Plants in Family Farming Areas
1 Introduction
2 Water Desalination in the Brazilian Semiarid Region: Benefits and Impacts
2.1 Water Security in Isolated Communities
2.2 Environmental Impacts of Reject Brine from Desalination Plants
2.3 Potential Agricultural Use of Reject Brine
Foreword
Preface
Commonly Used Units and Their Conversion
Surface
Mass
Salinity (Electrical Conductivity-EC)
Concentration
Contents
Editors and Contributors
The Saline Environments in Latin America. Overview and Social Approach
Overview of Salt-Affected Areas in Latin America: Physical, Social and Economic Perspectives
1 Introduction
2 Saline and Sodic Soils in Latin America
2.1 General Analysis
2.2 Salinity in LA Countries
3 Conclusions
References
Environmental, Agricultural, and Socioeconomic Impacts of Salinization to Family-Based Irrigated Agriculture in the Brazilian Semiarid Region
1 Salinization: A Threat to Agriculture and Food Security
2 Impacts of Salinization
2.1 Impacts on Agriculture
2.2 Environmental Impacts
2.3 Social Impacts and the Local Economy
3 Salinity Affecting Irrigation Projects: Local Case Studies
3.1 Irrigated District of Baixo-Açu, Rio Grande Do Norte, Brazil
3.2 Apodi Valley, Rio Grande Do Norte, Brazil
4 Final Considerations
References
Soils, Water, Agriculture and Management in Arid and Semi-Arid Regions
Salt Accumulation and Redistribution in the Dry Plains of Southern South America: Lessons from Land Use Changes
1 Introduction
2 Visible and Hidden Salts
3 Two Key Mechanisms
4 The Imprint of Vegetation Change on Salinity
5 Knowns, Unknowns and Practical Challenges
References
Strategies for the Use of Brackish Water for Crop Production in Northeastern Brazil
1 Introduction
2 Water Sources in Northeastern Brazil
3 Strategies for the Use of Saline Water in Agriculture
3.1 Cultivation of Salt-Tolerant Crops in Northeastern Brazil
3.2 Mixtures and Cyclic Use of Saline Waters
3.3 Use of Brackish Waters at the Stages of Higher Salt Tolerance
3.4 Use of Densely Planted Crops
3.5 Crop Rotation and Intercropping
3.6 Crops in Hydroponic Systems
3.7 Plant Response to Fertilization Under Saline Conditions
3.8 Plant and Microorganism Interactions
3.9 Application of Several Compounds to Mitigate Saline Stress in Plants
4 Sustainable Use of Saline Waters in Agriculture
4.1 Case Study 1: Melon Production Under Irrigation with Brackish Water in Mossoró, RN, Brazil
4.2 Case Study 2: Reuse of Drainage Water in the Irrigated Perimeter of Curu-Pentecoste, Ceará, Brazil
5 Conclusions
References
Potential Agricultural Use of Reject Brine from Desalination Plants in Family Farming Areas
1 Introduction
2 Water Desalination in the Brazilian Semiarid Region: Benefits and Impacts
2.1 Water Security in Isolated Communities
2.2 Environmental Impacts of Reject Brine from Desalination Plants
2.3 Potential Agricultural Use of Reject Brine