allelopathy-in-ecological-agriculture-and-forestry

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Allelopathy In Ecological Agriculture And Forestry

Author : S.S. Narwal
ISBN : 9789401141734
Genre : Science
File Size : 71. 59 MB
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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.

Allelopathy In Sustainable Agriculture And Forestry

Author : Ren Sen Zeng
ISBN : 0387773371
Genre : Science
File Size : 36. 58 MB
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This is the first comprehensive and up-to-date reference on the science, mechanism, methodology, and application of allelopathy. The objective of this practical reference is to report on the latest advances by inviting leading scientists to contribute in specific fields. The volume is organized under three major subsections: History of allelopathy, Allelochemicals, allelopathic mechanisms, and bioassays, and Application of allelopathy in agriculture and forestry.

Allelopathy In Agriculture And Forestry

Author : Shamsher S. Narwal
ISBN : CORNELL:31924076429368
Genre : Agricultural ecology
File Size : 39. 47 MB
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Lectures on crop production, forestry, grasslands, aquatic-ecosystems and allelochemicals delivered at the Symposium organized by the Indian Society of Allelopathy in collaboration with Indian Council of Agricultural Research, New Delhi, and Dept. of Forest, Haryana, India.

Allelopathy

Author : Manuel J. Reigosa
ISBN : 1402042795
Genre : Science
File Size : 71. 91 MB
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This book provides the reader relevant information about actual knowledge about the process of allelopathy, covering all aspects from the molecular to the ecological level. Special relevance is given to the physiological and ecophysiological aspects of allelopathy. Several ecosystems are studied and methodological considerations are taken into account in several different chapters. The book has been written to be useful both for Ph.D. students and for senior researchers, so the chapters include all necessary information to be read by beginners, but they also include a lot of useful information and discussion for the initiated.

Recent Advances In Medicinal Plants Research

Author : Shakti Kumar Prabhuji
ISBN : CHI:75828578
Genre : Materia medica, Vegetable
File Size : 73. 40 MB
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Contributed articles; with reference to India.

Allelopathy Update International Status

Author : Shamsher S. Narwal
ISBN : 1578080649
Genre : Science
File Size : 67. 74 MB
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Abstracts

Author :
ISBN : STANFORD:36105110656340
Genre : Agricultural ecology
File Size : 20. 20 MB
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The Botanica

Author :
ISBN : UOM:39015072689816
Genre : Biology
File Size : 81. 39 MB
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Ecology Environment Conservation

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ISBN : CORNELL:31924089563922
Genre : Ecology
File Size : 76. 29 MB
Format : PDF
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Tropical Forest Update

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ISBN : MINN:31951P00755668P
Genre : Forest management
File Size : 24. 46 MB
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Journal Of Ecobiology

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ISBN : CORNELL:31924097770048
Genre : Biology
File Size : 25. 33 MB
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The British National Bibliography

Author : Arthur James Wells
ISBN : UOM:39015079755800
Genre : Bibliography, National
File Size : 51. 24 MB
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Allelopathy In Crop Production

Author : S.S. Narwal
ISBN : 9789387741102
Genre : Technology & Engineering
File Size : 80. 2 MB
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Allelopathy offers great potential: (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 viz. weedicides, fungicides, insecticides and nematicides and development 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 agro-horticultural systems of developed countries. Therefore, it may be one of the strategies to increase agricultural production in Sustainable Agriculture of 21st 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.

Forests Trees And People Newsletter

Author :
ISBN : MINN:31951P00443829S
Genre : Community forests
File Size : 38. 67 MB
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Allelopathy In Pests Management For Sustainable Agriculture

Author : Shamsher S. Narwal
ISBN : UOM:39015040357496
Genre : Business & Economics
File Size : 73. 53 MB
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The Forestry Chronicle

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ISBN : MINN:31951P00516425C
Genre : Forests and forestry
File Size : 67. 96 MB
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Forest Vegetation Of The Black Hills National Forest Of South Dakota And Wyoming

Author : Charles A. Troendle
ISBN : OSU:32435055890024
Genre : Allelopathic agents
File Size : 83. 29 MB
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New Botanist

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ISBN : CORNELL:31924094758905
Genre : Botany
File Size : 81. 9 MB
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Etfrn News

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ISBN : MINN:31951P00644355S
Genre : Forests and forestry
File Size : 44. 34 MB
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Nature And Resources

Author :
ISBN : WISC:89068909423
Genre : Ecology
File Size : 29. 57 MB
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