Algae in Agrobiology

Preface vii Introduction ix Chapter 1. History 1 1.1. The different types of kelp 1 1.2. Historical applications 3 Chapter 2. Traditional Applications of Algae in the Cultivation Plants 11 2.1. Uses for soil amendment 11 2.2. Soil fertilization 14 2.3. Improvement of composts for agricultural use 16 Chapter 3. Biostimulation Activities on Plant Productions 23 3.1. Stimulation of growth 25 3.2. Tolerance to water stress 38 3.3. Tolerance to salt stress 45 3.4. Tolerance to thermal stress 58 3.5. The quality of the products 60 Chapter 4. Feeding of Livestock 69 4.1. Ruminant nutrition 69 4.2. Pig nutrition 80 4.3. Horse nutrition 87 4.4. Poultry nutrition 90 4.5. Nutrition of rabbits 100 4.6. Nutrition of animals produced by aquaculture 103 4.6.1. Fish 104 4.6.2. Mollusks 118 4.6.3. Crustaceans 124 4.6.4. Echinoderms 128 Chapter 5. The Biological Activities of Algae in Plant or Animal Health 135 5.1. Antiparasitic and antimicrobial activities 135 5.1.1. Plant parasites and pathogens 135 5.1.2. Animal parasites and pathogens 146 5.2. Induction of plant defense mechanisms 151 5.2.1. The hypersensitivity reaction 151 5.2.2. Other mechanisms 154 5.3. Activation of the immune system 158 5.3.1. The case of fish raised by aquaculture 158 5.3.2. Other aquaculture animals 163 5.3.3. The case of terrestrial livestock 165 Conclusion 169 References 171 Index 183