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Author: J. Alfred Zinck
Publisher: Food & Agriculture Org.
ISBN: 9789251036624
Category : Science
Languages : en
Pages : 140
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Book Description
Author: J. Alfred Zinck
Publisher: Food & Agriculture Org.
ISBN: 9789251036624
Category : Science
Languages : en
Pages : 140
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Book Description
Author: F. J. Dent
Publisher:
ISBN:
Category : Soil surveys
Languages : en
Pages : 52
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Book Description
Author: Jerald D. Broughton
Publisher:
ISBN:
Category : Trafficability
Languages : en
Pages : 342
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Book Description
Author:
Publisher:
ISBN:
Category : Land capability for agriculture
Languages : en
Pages : 140
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Book Description
Author: Sūn Bō̜rikān ʻĒkkasān Kānwičhai hǣng Prathēt Thai
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 598
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Book Description
Author: L. I. Prasolov
Publisher:
ISBN:
Category : Soil mapping
Languages : en
Pages : 28
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Book Description
Author: Rodelio B. Carating
Publisher: Springer Science & Business
ISBN: 9401786828
Category : Nature
Languages : en
Pages : 363
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Book Description
The first soil survey in the Philippines was done by Mr. Clarence Dorsey, an American soil scientist in the province of Batangas in 1903. The Soils of the Philippines, however, is the first comprehensive summary of more than a century of soil-survey work in this country. It integrates the soil concepts of the reconnaissance soil-survey results, which commenced as early as 1934 and continued until the mid 1960s, with the semi-detailed soil surveys that continue to this day. The result is the first-ever genetic key for classifying Philippine soils at soil series level; thus, making it possible for any newcomers to the soil survey field to confidently produce their own soil map, at a more detailed map scale, to suit the project requirements. This book brings together discussions on soils and soil mapping units and up-to-date international techniques and technologies. It makes soils relevant to current political realities and national issues. As soil survey moves from a reductionist agricultural-development planning tool to a more holistic and integrated approach, to enable us to understand our dynamic and complex environment, The Soils of the Philippines will be the only source of authoritative and updated data on soil resources for macro-level resource management planning for decades to come. With a vanishing breed of experienced soil surveyors, not only in the Philippines but also worldwide, it may remain the only book on Philippine soils for the next hundred years or more. Since soils follow a geological and not a human time frame, the contents of this volume will stay relevant for soil surveyors even in a fast changing world. As the country leaps from an agricultural economy towards modernization and a more diversified economic base, some of the soil series in the Philippines, for example the Guadalupe series underlying the skyscrapers of Makati City, are becoming extinct as a result of urban development. Therefore, this book serves as the repository for the soils that we possess, the soils that have been lost through decades of urbanization while, at the same time, it creates a soil classification system for the soils we are yet to discover.
Author: Arnold Clifford Orvedal
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 170
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Book Description
Author: Arnold Clifford Orvedal
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 168
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Book Description
Author: Alfred E. Hartemink
Publisher: Springer Science & Business Media
ISBN: 1402085923
Category : Nature
Languages : en
Pages : 448
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Book Description
Signi?cant technological advances have been few and far between in the past approximately one hundred years of soil survey activities. Perhaps one of the most innovative techniques in the history of soil survey was the introduction of aerial photographs as base maps for ?eld mapping, which replaced the conventional base map laboriously prepared by planetable and alidade. Such a relatively simple idea by today’s standards revolutionized soil surveys by vastly increasing the accuracy and ef?ciently. Yet, even this innovative approach did not gain universal acceptance immediately and was hampered by a lack of aerial coverage of the world, funds to cover the costs, and in some cases a reluctance by some soil mappers and cartog- phers to change. Digital Soil Mapping (DSM), which is already being used and tested by groups of dedicated and innovative pedologists, is perhaps the next great advancement in delivering soil survey information. However, like many new technologies, it too has yet to gain universal acceptance and is hampered by ignorance on the part of some pedologists and other scientists. DSM is a spatial soil information system created by numerical models that - count for the spatial and temporal variations of soil properties based on soil - formation and related environmental variables (Lagacheric and McBratney, 2007).
