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Uses the study of ancient societies and anthropology to suggest a new cross-cultural perspective for the history of science.
Science is essentially a descriptive and experimental device. It observes nature, constructs hypotheses, plans experiments and proposes theories. The theory is never contemplated as the 'final truth', but remains ever subject to modifications, changes and rejections. The science of allelopathy in a similar way has emerged, and exists on a similar footing; our endeavour should be to keep it fresh and innovative with addition of newer in formation and concepts with the rejection of older ideas and antiquated techniques. During the past few decades encouraging results have been obtained in various aspects of allelopathic researches. However, in addition to continuing efforts in all these directions, constant attempts are to be made to describe the mechanics of allelopathic activity in molecular terms and to discover ways and means to exploit it for the welfare of mankind. We feel that multidisciplinary efforts are the only tool to achieve this goal. It is the hope of the editors that this book will serve as a document which identifies an integrated approach, through which research both to understand and exploit allelopathy can be conducted. The present volume arose out of an attempt to bring together eminent scientists in allelopathy to describe their work, of a highly diverse nature, under one title.
Vols. for 1911-13 contain the Proceedings of the Helminothological Society of Washington, ISSN 0018-0120, 1st-15th meeting.
It is known that dryland farming is not remunerative due to several constraints. Location specific technologies have been evolved for yield stabilization in dryland farming and conservation of fragile ecosystem by sustainable use of soil and water resources. Drought and flood situations are experienced some where in the country inspite of pletifull resources of waters unshine hours but poverty among farmers still exists. This is a point of sereous concern. Agrotechniques are alone the answer for low productivity (0.8 t/ha) of 90% rainfed farming. To feed over one billion gallowping population of country, there is a need to increase the productivity to 1.5 t/ha by 2010 AD. This book deals with seed, soil, watersheds, crop, weed and nutrient management use of weather forecast, measure to save crops under abiotic stresses like drought and flooding, selection of crops and variety, reclamation of degraded land, organic recycling, agro-meterological approaches, water requirement, early harvest on physiological maturity, agro-hydro modelling and suitable medicinal and aromatic crops to make dry farming remunerative for welfare of common farmers. This is the first comprehensive book where large number of agro-techniques are incorporated. Chapters are written by eminent scientists of national repute who have devoted their life time to solve probable problems of dryland. Agro-techniques can well be adopted with ease by farmers through extension agencies to avoid bankrupsy. Book includes all relevant aspects of rainfed farming and is therefore a valuable addition in Dryfarming and meets the expectations of all those interested in rainfed farming in the country and abroad. Long outstanding demand has thus fulfilled with this book. The novel approach of editor has made the readers task quick and minimized their efforts by compiling all agro-techniques together at one place for benefit of farmers.
Sustainability is extremely important in dryland farming under global climatic change. Technology devised by various agricultural institutions is provided in this book.Variation in environmental factors may influence entire ecological system which may not be ideal for agriculture. Under such global scenario , plant growth is under geopardy. New varieties have to be developed to suit the varied climate or crop strategy in view of crop domain suiting ideal available temperature has to be framed to make dryland farming sustainable .Various agrotechnology needs to be adapted to avoid depletion in productivity. Global climatic change in future may limit the productivity of available varieties. Corporate farming may come to rescue the problem under present scenario. Various agrotechnologies described in this book may help the farmers and planners to overcome the situation in future. Critical problems have been dealt with probable solutions to suit the requirements .Multicropping system , organic farming, , watersheds promotion, reclamation of degraded soils, soil health cards, use of portrals of weather forecast, early harvest on physiological maturity and use of instant remedies timely under unfavourable season shall ease the failure of crop . Long outstanding demand has thus fulfilled with this book.
The increasing con'. ;ern for the serious problems of forest decline that occurred in the Northern Hemisphere in the late 1970's and early 1980 's led to an emphasis on the necessity of promoting and setting up investigations into the basic physiological mechanisms of forest trees. Since then, the concern about rapid changes has decreased along with the increase of monitored data on European forests health status. But tree physiology has faced new questions about changing climate and increasing atmospheric carbon dioxide concentrations. Advances in plant molecular biology and forest genetics have opened up new avenues in the research on forest tree physiology. At the same, time it has become evident that molecular and genetic tools give only a basis for further research on tree structure and function, which needs basic tree physiology again. On the other hand, the problems of forest decline in Europe are not over. They are no longer discussed daily in the media, but stress is an everyday phenomenon experienced by European forest trees. For instance, in southern Europe and mountainous regions, drought stress and many other abiotic or biotic factors are stressors and cause problems to forests with many important social and protective functions. Stress physiology is a branch of everyday physiology in traditional forestry. How to grow a forest with maximal carbon binding functions and optimal wood quality and rich in biodiversity.
The Present Volume Provides An Excellent Up-To-Date Account Of The Course And Development Of Biochemistry. The Text Revolves Around The Basic Principles Of Biochemistry As Well As Molecular And Biochemical Control Mechanisms Responsible For Structural, Informational And Behavioural Properties Of Cells Resulting In A Composite Picture Of Modern Biochemistry. The Book Is Organized Into Five Sections That Follows An Introductory Chapter Dealing With Biochemical Basis Of Life. Part I Treats The Foundations And Fundamentals Which Includes Four Chapters To Help Prepare A Student Finally To Enter The Realm Of Biochemistry. This Part Is Especially Designed To Clarify The Basic Concepts And Introducing Quantitation In Biochemical Sciences And Represents A Distinctive And Crucial Feature Above All The Existing Texts. Part Ii Deals With Molecular Structure And Organization Of Biomolecules. This Part Is Composed Of Five Chapters Describing In Detail, The Biochemical Organization Of Information Molecules In Living Cells. Part Iii Represents Biosynthesis Of Biomolecules Covering Five Chapters Describing In Detail The Biochemical Control Of Traffic Of Information Molecules In The Living Cells. Part Iv Describes The Dynamics Of Energy Transformation And Represents Six Chapters Dealing With The Maintenance And Expenditure Of Energy In Biochemical Processes. Part V Deals With Enzymology And Special Aspects Of Metabolism And Includes Eleven Chapters Especially Devoted To Cover Recent Developments And Topics Of Current Importance. This Volume Concludes With A Chapter Dealing With The Place And Relevance Of Biochemistry On An Interdisciplinary Platform. Every Chapter Is Followed By A Short List Of Selected General References Pertaining To That Particular Subject. There Are Seven Indices Following The Complete Write Up And Is Primarily Directed Towards Providing Additional And Extra Information Useful To Establish A Link Between All The Sections And Chapters.In View Of Academic Curriculum Existing In Various Universities And Institutions (Including Agricultural Universities), The Present Book Should Conform To The Requirements And Interests Of Honours And Postgraduate Students In Life Sciences In General Including Biochemistry, Botany, Zoology, Genetics And Microbiology.