Narwal s s (32 Ergebnisse)
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In den WarenkorbHardcover. Zustand: New. Contents: Preface. 1. Botany/C.M. Ketkar and M.S. Ketkar. 2. Genetic improvement/S.S. Bisla and V. Beniwal. 3. Tree management/D.P.S. Nandal and R. Bahadur. 4. Agroforestry/A.S. Gill. 5. Fertilizer management/S.S. Narwal and T. Singh. 6. Tobacco research/M.S. Chari, G. Ramaprasad, P.S.N. Murthy and S.S.…Sitaramiah. 7. Groundnut research/M.P. Ghewande, V. Nandgopal and S. Desai. 8. Black pepper research/S. Devasahayam and M. Anandraj. 9. Insects-pests management of agricultural crops/A.K. Dhawan and G.S. Dhaliwal. 10. Stored grains insects-pests management/H. Singh, V. Kumar, R. Kumar and H.R. Rohilla. 11. Nematode management/V. Mozumder. 12. Plant diseases management/R.S. Singh and H.V. Singh. 13. Pulses pests management/R.P. Yadava, B. Singh, M.G. Heider and B.K. Sinha. 14. Oilseeds pests management/V. Kumar, H. Singh and R. Kumar. 15. Cotton pests management/A.K. Dhawan and G.S. Dhaliwal. 16. Nematode management in horticultural crops/P.P. Reddy, M.S. Rao and M. Nagesh. 17. Ginger diseases management/N.P. Dohroo and N. Pathania. 18. Industrial uses and commercialization/B.S. Parmar. Author index. Subject index. "Neem is a versatile tree of Indian origin. Since ancient times, its various plant parts have been used to control domestic insects, stored grain pests, crop pests and human and livestock medicine. Recently, these properties have been attributed to hundreds of chemicals present in this golden tree. Being a storehouse of chemicals, with multiple uses and adaptability to diverse habitats and climatic conditions, the developed countries have been shown keen interest in this tree. Besides, the present day pesticides and nitrogen fertilizers pose several problems viz., environmental pollution and related health hazards in human and livestock, development of resistance in organisms to pesticides and death of beneficial insects. While neem chemicals have shown potential as pesticides and as nitrification inhibitors and do not pose these problems; moreover, neemcake is used as manure. Therefore, keeping in view the importance of this tree, a session of Neem in Current Context was held at the International Symposium on Allelopathy in Sustainable Agriculture, Forestry and Environment, New Delhi during September 6-8, 1994. There were 20 presentations on neem, during this conference. Keeping in view the keen interest of participants, it was decided to bring out a separate book based on updated world literature which would include the presentations made at the symposium as well as a few others, from well known neem researchers. "In the last eight years, many books have been published on neem, but this book is unique in following ways : (a) it deals with improving production technology of this wonder tree, (b) it provides current status of neem research in production of agricultural and horticultural crops and (c) the book outlines recommendations on the use of neem and its products in crop production and plant protections. "This book will be most useful to neem scientists working in agriculture and forestry and to environmental conscious farmers of developed countries and to the educated farmers of Third World countries intending to practise sustainable agriculture." (jacket).
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Hardcover. Zustand: As New. Contents Preface. Foreword. I. Basic principles 1. Terminology. 2. Methodical approach. 3. Biocybernetics. 4. Development of relationships. 5. Competition. 6. Allelopathy. 7. Coactions. II. Competition 1. Development of competition. 2. Competition and its determination. 3. Modelling of competition. 4.… Density of Population autoregulation. 5. Adaptation and response. 6. Competition examples. 7. Competition and excretion of Allelopathic substances. III. Secondary compounds 1. Classification. 2. Secondary metabolites as Allelopathic substances. 3. Activity of Allelopathic substances. 4. Occurrence in plants. 5. Excretion / release. 6. Allelopathic substances in soil. 7. Uptake by plants. 8. Physiological effects. IV. Non contact coactions 1. Intraspecific coactions. 2. Higher plants and microorganisms. 3. Non contact coactions of higher plants. V. Antagonistic contact coactions 1. Choice of host and spores or seeds germination of parasites. 2. Infection. 3. Response of host and parasites. 4. Physiological processes influenced by parasite. 5. Higher plants and parasites. 6. Higher plants and animals. 7. Simulation mathematical evaluation of losses caused by parasites. VI. Synergic contact coactions 1. Rhizobium sp. 2. Bacterial symbiosis in leaves. 3. Higher plants and Actinomyces. 4. Mycorrhiza. VII. Conclusions. VIII. References. Appendix. Subject index. This is the first book on Coactions and Competition in Higher Plants worldwide. It was translated from Czech language because the English is read in most countries of the world hence the Allelopathy scientists would be able to know the phenomenon of coactions and competition in plants. The Allelopathic interactions in coactions and competition in higher plants greatly influences the productivity of field crops fruits trees and forest trees in natural and managed ecosystems. In tropic and subtropical countries many crops are grown in crop mixtures owing to their several advantages. Likewise in natural forests many tree spp. grow together besides many herbs and shrubs grow underneath their canopy. Now due to increased human population the farmers to meet the diverse requirements of their families grows several crops with trees called Agroforestry. However little information is available about the Allelopathic interactions in coactions and competition in the above agro ecosystems. Worldwide it is the only book available on these important aspects. This book will provide inspiration and in depth knowledge of the coactions and competition in higher plants. This book will be very useful for the researchers teachers and students of Biosciences (Plant ecology Plant physiology Biochemistry Microbiology) and Agricultural Sciences (Agronomy Forestry etc.). 220 pp.
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Hardcover. Zustand: As New. Contents Foreword. Preface. 1. Soil sickness history. 2. Soil sickness field crops. 3. Soil sickness fruit tress. 4. Soil sickness flowers. 5. Soil toxins chemical nature. 6. Toxins Physiological and biochemical effects. 7. Microorganisms sickness and soil fertility. 8. Soil toxicity determination. 9.… Conclusions. References. Appendices. Subject index. Author index. The monograph contains general information about the occurrence of allelopathic soil sickness under cultivated flowers crops and fruits. It also discusses (a) the ancient (b) methods to control soil sickness (c) chemical nature of substances exerting the toxic effects (d) the role of micro organisms (e) physiological and biochemical processes of individual organisms of soil sickness. It also describes the methods and possible ways to overcome this phenomenon. The publication is intended for specialists in the field of plant physiology and biochemistry geobotany soil science and agricultural in the field of agriculture and crop production as well as for instructors and students. 262 pp.
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Hardcover. Zustand: New. Contents: Preface. 1. Introduction. 2. Allelochemicals. 3. Interactions between plant communities. 4. Exploitation of allelopathy for crop production. 5. Removal of phytotoxins from agricultural lands. 6. Future prospects. 7. Glossary of crops and weeds. Appendix. References. "Allelopathy offers great po…tential : (a) to increase agriculture production (food grains, vegetables, fruits, forestry), (b) to decrease harmful effects of modern agricultural practices (multiple cropping, leaching losses from N fertilizers, indiscriminate use of pesticides tolerant/resistant biotypes in pests) on soil health/productivity and on environment and (c) to maintain soil productivity and pollution free environment for our future generations. It is hoped that in the near future the allelopathy may be used in crop production, crop protection, agroforestry and agrohorticultural systems of developed countries. Therefore, it may be one of the strategies to increase agricultural production in sustainable agriculture of 21 century. This book is based on the research findings and addresses to various intricate problems of crop production, to which there was no definite answer in the past but now have been attributed to allelopathy. This book will be of great use to students, academicians, scientists and intelligent farmers throughout the world. It may also serve as a text book to the agricultural students." (jacket).
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In den WarenkorbZustand: New. pp. 261.
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Taschenbuch. Zustand: Neu. Allelopathy in Ecological Agriculture and Forestry | Proceedings of the III International Congress on Allelopathy in Ecological Agriculture and Forestry, Dharwad, India, 18-21 August 1998 | S. S. Narwal (u. a.) | Taschenbuch | xi | Englisch | 2012 | Springer | EAN 9789401058179 | Verantwortliche Person… für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.
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Allelopathy in Ecological Agriculture and Forestry
Narwal, S. S.|Hoagland, R. E.|Dilday, R. H.|Reigosa Roger, M. J.
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Gebunden. Zustand: New. Proceedings of the III International Congress on Allelopathy in Ecological Agriculture and Forestry, Dharwad, India, 18-21 August 1998 The rapidly growing human population has increased the dependence on fossil fuel based agrochemicals such as fertili.
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Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - The rapidly growing human population has increased the dependence on fossil fuel based agrochemicals such as fertilizers and pesticides to produce the required agricultural and forestry products. This has exerted a great pressure on the non renewable… fossil fuel resources, which cannot last indefinitely. Besides, indiscriminate use ofpesticides for pests (weeds, insects, nematodes, pathogens) control has resulted in serious ecological and environmental problems viz. , (A) Increasing incidence of resistance in pest organisms to important pesticides. (B) Shift in pests population, particulary in weeds and insects. In weeds, species that are more closely related to the crops they infest have developed. In insects, scenario is most grim, the predators have been killed and minor insect pests have become major pests and require very heavy doses ofhighly toxic insecticides for their control. (C) Greater environmental pollution and health hazards (a) particularly from contamination of surface and underground drinking water resources and (b) from their inhalation during handling and application. (D) Toxic residues of pesticides pollute the environment and may prove hazardous to even our future generations. (E) Some agricultural commodities may contain minute quantities ofpesticides residues, with long tenn adverse effects on human and livestock health. Therefore, serious ecological questions about the reliance on pesticides for pests control has been raised. The use of fertilizers, besides causing environmental problems has also impoverished the soil health and decreased the beneficial soil fauna. For example, in some major crop rotations viz.
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Buch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - The rapidly growing human population has increased the dependence on fossil fuel based agrochemicals such as fertilizers and pesticides to produce the required agricultural and forestry products. This has exerted a great pressure on the non renewable fossil… fuel resources, which cannot last indefinitely. Besides, indiscriminate use ofpesticides for pests (weeds, insects, nematodes, pathogens) control has resulted in serious ecological and environmental problems viz. , (A) Increasing incidence of resistance in pest organisms to important pesticides. (B) Shift in pests population, particulary in weeds and insects. In weeds, species that are more closely related to the crops they infest have developed. In insects, scenario is most grim, the predators have been killed and minor insect pests have become major pests and require very heavy doses ofhighly toxic insecticides for their control. (C) Greater environmental pollution and health hazards (a) particularly from contamination of surface and underground drinking water resources and (b) from their inhalation during handling and application. (D) Toxic residues of pesticides pollute the environment and may prove hazardous to even our future generations. (E) Some agricultural commodities may contain minute quantities ofpesticides residues, with long tenn adverse effects on human and livestock health. Therefore, serious ecological questions about the reliance on pesticides for pests control has been raised. The use of fertilizers, besides causing environmental problems has also impoverished the soil health and decreased the beneficial soil fauna. For example, in some major crop rotations viz.
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