Towards Holistic Agriculture: A Scientific Approach
Autor R.W. Widdowsonen Limba Engleză Hardback – 29 iul 1987
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Specificații
ISBN-13: 9780080342115
ISBN-10: 0080342116
Pagini: 187
Dimensiuni: 156 x 234 x 13 mm
Greutate: 0.46 kg
Editura: ELSEVIER SCIENCE
ISBN-10: 0080342116
Pagini: 187
Dimensiuni: 156 x 234 x 13 mm
Greutate: 0.46 kg
Editura: ELSEVIER SCIENCE
Cuprins
Introduction. Soil and Cultivations: Mineral fraction; Organic matter. Symbiotic fixation. Conversion of organic nitrogen to nitrate. Ethylene cycle. Bulk density of soil. Soil reconditioning tools. Keyline cultivation. Sources of Plant Nutrients: Fertilizers. Macro nutrients. Micro nutrients. Organic fertilizers. Mineral fertilizers. Plant nutrient loss. Pests and Diseases: Weeds. Pests. Plant diseases. Animal diseases. Fungicides and pesticides. Pesticides. Rotation and Crops. Grassland Management: General considerations. Establishment of grassland. Subsequent management. Seed mixtures. Grassland improvements. Animal Husbandry: Monogastrics. Ruminants. Animal Nutrition: Diets for monogastrics. Diets for ruminants. Some Other Considerations: Yield. Profitability. Food quality. Energy utilisation. Finite resources. Pollution and animal welfare. Labour usage. Epilogue. Appendix I. Appendix II. Appendix III. Index.
50 lit. refs., 13 illus.
50 lit. refs., 13 illus.
Recenzii
"Easy to read, this book should be in all agricultural schools as an alternative to currently traditional agriculture." --Choice