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Author: Clarence Wilbur Dorsey
Publisher:
ISBN:
Category : Soil surveys
Languages : en
Pages : 108
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Book Description
Author: Clarence Wilbur Dorsey
Publisher:
ISBN:
Category : Soil surveys
Languages : en
Pages : 108
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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: Andreas Schulte
Publisher: Springer Science & Business Media
ISBN: 3662036495
Category : Science
Languages : en
Pages : 220
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Book Description
An understanding of the characteristics and the ecology of soils, particularly those of forest ecosystems in the humid tropics, is central to the development of sustainable forest management systems. The present book examines the contribution that forest soil science and forest ecology can make to sustainable land use in the humid tropics. Four main issues are addressed: characteristics and classification of forest soils, chemical and hydrological changes after forest utilization, soil fertility management in forest plantations and agroforestry systems as well as ecosystem studies from the dipterocarp forest region of Southeast Asia. Additionally, case studies include work from Guyana, Costa Rica, the Philippines, Malaysia, Australia and Nigeria.
Author: Hugo Herman Miller
Publisher:
ISBN:
Category : Philippines
Languages : en
Pages : 394
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Book Description
Author: United States. Philippine Commission (1899-1900)
Publisher:
ISBN:
Category : Philippines
Languages : en
Pages : 992
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Book Description
Author: Garrison Sposito
Publisher: Oxford University Press
ISBN: 0199886091
Category : Science
Languages : en
Pages : 342
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Book Description
There have been many advances in soil chemistry since Oxford published the first edition of The Chemistry of Soils in 1989. The physical-chemistry approach to soil chemistry taken in the book, groundbreaking for its time, has been adopted by nearly every soil chemistry book published since. This book offers a thorough update of all topics covered in the previous edition. In the last 16 years, soil chemistry as a discipline has assumed major significance in connection with global climate change. The 2nd edition addresses the emergent issue of global climate change by exploring the interaction between organic carbon and soil. The largest repository of organic carbon on earth is still soil, and the process by which organic carbon is sequestered by soil, thus preventing the release of carbon dioxide into the atmosphere, is one of the proper concerns of soil chemistry. Thus, the revision provides a rigorous discussion of soil chemistry in its broader environmental and biogeochemical contexts.
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 1188
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Book Description
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 962
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Book Description
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 976
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Book Description
Author: New South Wales. Parliament
Publisher:
ISBN:
Category : New South Wales
Languages : en
Pages : 1020
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Book Description
Includes various departmental reports and reports of commissions. Cf. Gregory. Serial publications of foreign governments, 1815-1931.
