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Author: A. C. Bunt
Publisher: Springer Science & Business Media
ISBN: 9401179360
Category : Science
Languages : en
Pages : 273
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Book Description
The last two decades have seen rapid advances in the technology used to produce pot plants. Glasshouses designed and orientated to give maximum light transmission, fully automatic heating and ventilating systems, carbon dioxide enrichment of the atmosphere, controlled photoperiods using automatic blackouts and incandescent lamps which enable plants such as chrysanthemum to be flowered at any time of the year, mist propagation techniques, chemical growth regulators which control the height of plants, automatic watering and feeding systems, etc.: these are only some of the developments which have transformed pot plant culture. There have also been many changes in the composts and systems used to grow the plants. Mineral soils, which formed the basis of the John Innes Composts, are now either too expensive or too difficult to obtain in suitable quality and sufficient quantity. Consequently the grower has been forced to seek other materials such as peat, perlite, vermiculite, plastic foam, shredded bark, etc. New types of fertilisers, new methods of heat sterilisation and new chemical sterilising agents are also being used.
Author: A. C. Bunt
Publisher: Springer Science & Business Media
ISBN: 9401179360
Category : Science
Languages : en
Pages : 273
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Book Description
The last two decades have seen rapid advances in the technology used to produce pot plants. Glasshouses designed and orientated to give maximum light transmission, fully automatic heating and ventilating systems, carbon dioxide enrichment of the atmosphere, controlled photoperiods using automatic blackouts and incandescent lamps which enable plants such as chrysanthemum to be flowered at any time of the year, mist propagation techniques, chemical growth regulators which control the height of plants, automatic watering and feeding systems, etc.: these are only some of the developments which have transformed pot plant culture. There have also been many changes in the composts and systems used to grow the plants. Mineral soils, which formed the basis of the John Innes Composts, are now either too expensive or too difficult to obtain in suitable quality and sufficient quantity. Consequently the grower has been forced to seek other materials such as peat, perlite, vermiculite, plastic foam, shredded bark, etc. New types of fertilisers, new methods of heat sterilisation and new chemical sterilising agents are also being used.
Author: HarperCollins Canada, Limited
Publisher:
ISBN: 9780046346812
Category :
Languages : en
Pages :
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Book Description
Author: A. C. Bunt
Publisher:
ISBN:
Category :
Languages : en
Pages : 277
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Book Description
Author: Y. Chen
Publisher: Springer Science & Business Media
ISBN: 9400944268
Category : Technology & Engineering
Languages : en
Pages : 312
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Book Description
The use of organic residues as a means of maintaining and increasing soil fertility is of long-standing. This tradition has been somewhat neglected since the introduc tion of mineral fertilizers at low cost. More and more farmers and scientists are now showing renewed interest in the proper and effective use of org~tnic residues, composts and other recycled organic additives. The role and function of organic amendments in modern agricultural systems have become topics of major interest in the scientific and agricultural communities. Research work on residue disposal has provided new concepts on the interaction between organic components and soils as well as new handling technologies (e. g. pelletizing of organic residues). The trend to conserve energy has led scientists to study the minimal tillage system, to find ways of replacing conventional inorganic fertilizers with natural organic prod ucts or microbial preparations, and to develop new composting methods. The drive to achieve higher yields in commercial greenhouse farming has led to a search for optimum substrates as growth media and for improved management techniques. This has led to the introduction of organic substitutes for peat, nota bly those originating from agricultural wastes. Another important aspect is the current interest in organic farming, where use of synthetic chemicals is avoided or prohibited. An increasing percentage of the population in highly developed countries is willing to pay premium prices for food produced on soils where inorganic fertilizers and other agricultural chemicals have not been used.
Author: B.R. Bunt
Publisher: Springer Science & Business Media
ISBN: 9401179042
Category : Technology & Engineering
Languages : en
Pages : 325
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Book Description
The past two decades have seen rapid advances in the technology used to produce pot plants. Glasshouses designed and orientated to give maxi mum light transmission, fully automatic heating and ventilating systems, carbon dioxide enrichment of the atmosphere, controlled photoperiods using automatic blackouts and incandescent lamps which enable plants such as chrysanthemum to be flowered at any time of the year, mist propagation techniques, chemical growth regulators which control the height of plants, automatic watering and feeding systems, etc.: these are only some of the developments which have transformed pot plant culture. There have also been many changes in the composts and systems used to grow the plants. Mineral soils, which formed the basis of the John Innes composts, are now either too expensive or too difficult to obtain in suitable quality and sufficient quantity. Consequently the grower has been forced to seek other materials such as peat, perlite, vermiculite, plastic foam, shredded bark, etc. New types of fertilizers, new methods of heat sterilization and new chemical sterilizing agents are also being used.
Author: Diana Peacock
Publisher: Hachette UK
ISBN: 1848034075
Category : House & Home
Languages : en
Pages : 320
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Book Description
Grandma's Ways represents a large repository of knowledge that we have mostly forgotten. With a little modification for these busy modern times. Techniques for preserving food, keeping hens and bees, growing vegetables and fruit, making your own cosmetics and a host of other things will bring us not only closer to the products we enjoy, but closer to benefiting from the work we do for ourselves. There's nothing more satisfying than cooking wholesome food from scratch at home, baking your own bread, growing your own vegetables, foraging in the wild and even making your own household cleaning products. Not only will you live a more sustainable life in terms of the environment, you'll save money too.
Author: Sally L. Brown
Publisher: Springer Science & Business Media
ISBN: 9401150680
Category : Science
Languages : en
Pages : 423
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Book Description
Co-utilization or blending of residuals offers a unique opportunity to develop products with particular characteristics that are able to target specific customer needs. The very notion of deliberately blending by-products suggests that the recycling and beneficial reuse industries are taking a quantitative step forward towards developing products rather than simply reusing residuals. At the same time that this step provides unique opportunities, it also presents unique challenges. The science associated with the beneficial use of one product may not apply when that product is mixed with another residual. Blending of materials may alter the chemistry of the components of the mixture. This may offer additional benefits, as in the case of disease suppression in composts, or present unexpected problems, as the use of lime-stabilized biosolids has done in Maryland. This book consists of the proceedings of the Beltsville Symposium. The organizers of the Symposium attempted to structure a meeting that would outline both the potential benefits of co-utilization as well as concerns. The editors have divided the proceedings into sections that describe the practical basis for co-utilization of residuals as well as the potential benefits. Specific considerations are described. Finally, case studies include descriptions of successful operations and data that detail results of research involving co-utilization materials. Blending of materials for specific objectives needs to be the focus of any successful co-utilization effort. The scientific implications of the mix need to be determined before a product can be used properly.
Author: Michael Raviv
Publisher: Elsevier
ISBN: 0080556426
Category : Science
Languages : en
Pages : 625
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Book Description
Plant production in hydroponics and soilless culture is rapidly expanding throughout the world, raising a great interest in the scientific community. For the first time in an authoritative reference book, authors cover both theoretical and practical aspects of hydroponics (growing plants without the use of soil). This reference book covers the state-of-the-art in this area, while offering a clear view of supplying plants with nutrients other than soil. Soilless Culture provides the reader with an understanding of the properties of the various soiless media and how these properties affect plant performance in relation to basic horticultural operations, such as irrigation and fertilization. This book is ideal for agronomists, horticulturalists, greenhouse and nursery managers, extension specialists, and people involved with the production of plants. * Comprehensive discussion of hydroponic systems, irrigation, and control measures allows readers to achieve optimal performance* State-of-the-art book on all theoretical aspects of hydroponics and soilless culture including a thorough description of the root system, its functions and limitation posed by restricted root volume* Critical and updated reviews of current analytical methods and how to translate their results to irrigation and fertilization practices * Definitive chapters on recycled, no-discharge systems including salinity and nutrition management and pathogen eradication * Up-to-date description of all important types of growing media
Author: Eliot Coleman
Publisher: Chelsea Green Publishing
ISBN: 1603588183
Category : Technology & Engineering
Languages : en
Pages : 304
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Book Description
“Updated for its 30th anniversary edition; [This book] remains as relevant as ever.”—New York Times Book Review Since its original publication in 1989, The New Organic Grower has been one of the most important farming books available, with pioneer Eliot Coleman leading the charge in the organic movement in the United States. Now fully illustrated and updated, this 30th Anniversary Edition is a must-have for any agricultural library. Eliot Coleman’s books and innovative methods have helped innumerable organic farmers build successful farms in deep accordance with nature. The wisdom in this seminal book holds true even as the modern agricultural canon has grown—in large part due to Coleman’s influence as a wise elder with decades of experience. New information has been included in this edition to showcase the new tools and techniques that Eliot has been developing over the last thirty-five years. Inspired by the European intensive growers, The New Organic Grower, 30th Anniversary Edition, offers a very approachable and productive form of farming that has proven to work well for the earth and its stewards for centuries. Gardeners working on 2.5 acres or less will find this book especially useful, as it offers proof that small-scale market growers and serious home gardeners can live good lives close to the land and make a profit at the same time. The New Organic Grower is ideal for young farmers just getting started, or gardeners seeking to expand into a more productive enterprise. New material in this edition includes: Beautiful color photographs throughout, taken by master gardener and author Barbara Damrosch (Eliot’s wife and co-farmer) Updated information throughout on how Eliot’s practices have changed through his experiments over the years A new section from Damrosch about incorporating flowers on the small farm More information on new tools Eliot has invented that don’t appear in any of his other books
Author: David Holloway
Publisher:
ISBN:
Category : Agricultural pollution
Languages : en
Pages : 864
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Book Description
