La Erosi N H Drica Del Suelo En Cultivos Agr Colas
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La Erosi N H Drica Del Suelo En Cultivos Agr Colas
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Author : José de Jesus Huerta O.
language : es
Publisher: Editorial Academica Espanola
Release Date : 2015-01-19
La Erosi N H Drica Del Suelo En Cultivos Agr Colas written by José de Jesus Huerta O. and has been published by Editorial Academica Espanola this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-19 with categories.
En la presente obra se expone el efecto reductor de la cobertura vegetal y de raices de cultivos agricolas (maiz, frijol, calabacita y avena) sobre el proceso erosivo del suelo y agua en parcelas experimentales de temporal. En estas fue considerado el manejo convencional de suelo y la preparacion del terreno para la siembra bajo lluvia simulada. Los resultados obtenidos confirman una relacion exponencial negativa entre la cobertura vegetal y la perdida de suelo; observandose que el efecto de raices es menos eficiente para reducir el proceso erosivo. Los mayores registros de perdida de suelo promedio fueron obtenidos en el cultivo de maiz y los menores para avena. Todos los cultivos mostraron una relacion negativa del escurrimiento superficial con respecto al aumento de cobertura vegetal; a diferencia del desarrollo de las raices, del que solamente el maiz mostro un ligero efecto en reducir el escurrimiento superficial.
Evaluaci N De La Erosion H Drica En Parcelas Experimentales En Campos Agr Colas De Secano Mediterraneo
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Author :
language : es
Publisher:
Release Date : 2013
Evaluaci N De La Erosion H Drica En Parcelas Experimentales En Campos Agr Colas De Secano Mediterraneo written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Erosi N Y Conservaci N Del Suelo
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Author : R. P.C. MORGAN
language : es
Publisher: Mundi-Prensa Libros
Release Date : 1997-10
Erosi N Y Conservaci N Del Suelo written by R. P.C. MORGAN and has been published by Mundi-Prensa Libros this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-10 with Education categories.
Soil Genesis And Classification
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Author : S. W. Buol
language : en
Publisher: Iowa State Press
Release Date : 1973
Soil Genesis And Classification written by S. W. Buol and has been published by Iowa State Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Technology & Engineering categories.
Morphology of soils; Soil micromorphology; Soil composition and characterization; Weathering and soil formation; Pedogenic processes: internal, soil-building processes; Soil environment: External factors of soil formation; Parent material: initial material of the solum; Relief and landscape factors of the soil and its environment; Contributions of climate to the total soil environment; Organisms: biological portion of the soil and its environment; Time as a factor of soil formation; Principles and historical development of soil classification; Modern soil classification systems; Entisols:recently formed soils: Vertisols: shrinking and swelling dark clay soils; In ceptisols: emleryonic soils with few diagnostic features; Aridisols: soils of arid regions; Mollisols: grassland soils of steppes and prairies; Spodosols: soils with subsoil, accumulations of sesquioxide and humus; Alfisols:high base status soils; Ultisols: low base status forest soils: Oxisols: sesquioxide - rihch, highly weathered soils of the intertropical regions; Histosols: organic soils.
Environmental Soil Physics
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Author : Daniel Hillel
language : en
Publisher: Elsevier
Release Date : 1998-09-09
Environmental Soil Physics written by Daniel Hillel and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-09-09 with Science categories.
Environmental Soil Physics is a completely updated and modified edition of the Daniel Hillels previous, successful books, Introduction to Soil Physics and Fundamentals of Soil Physics. Hillel is a Pulitzer Prize-winning author, one of the true leaders in the field of environmental sciences. The new version includes a chapter and problems on computational techniques, addresses current environmental concerns and trends. Updates and expands the scope of Hillel's prior works, Fundamentals of Soil Physics (1980)and Applications of Soil Physics (1980) Explores the wide range of interactions among the phases in the soil and the dynamic interconnections of the soil with the subterranean and atmospheric domains Draws attention to historical and contemporary issues concerning the human management of soil and water resources Directs readers toward solution of practical problems in terrestrial ecology, field-scale hydrology, agronomy, and civil engineering Incorporates contributions by leading scientists in the areas of spatial variability, soil remediation, and the inclusion of land-surface processes in global climate models
Archaeological Theory
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Author : Matthew Johnson
language : en
Publisher: John Wiley & Sons
Release Date : 2011-09-09
Archaeological Theory written by Matthew Johnson and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-09 with Social Science categories.
Archaeological Theory, 2nd Edition is the most current and comprehensive introduction to the field available. Thoroughly revised and updated, this engaging text offers students an ideal entry point to the major concepts and ongoing debates in archaeological research. New edition of a popular introductory text that explores the increasing diversity of approaches to archaeological theory Features more extended coverage of 'traditional' or culture-historical archaeology Examines theory across the English-speaking world and beyond Offers greatly expanded coverage of evolutionary theory, divided into sociocultural and Darwinist approaches Includes an expanded glossary, bibliography, and useful suggestions for further readings
Guidelines For Predicting Crop Water Requirements
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Author : J. Doorenbos
language : en
Publisher:
Release Date : 1975
Guidelines For Predicting Crop Water Requirements written by J. Doorenbos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Crops categories.
Calculation of crop evapotranspiration; Selection of crop coeficient; Calculation of field irrigation requirements.
Soil Biology
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Author : A Burgers
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Soil Biology written by A Burgers and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Technology & Engineering categories.
Soil Biology brings together the microbiological, botanical, and zoological aspects of soil biology. Leading specialists provide critical reviews and assessments of their particular branches of soil biology, paying particular attention to functional aspects and biotic interrelationships whenever possible. This volume is organized into 17 chapters and begins with an overview of the soil system, emphasizing the system components including the mineral fraction, organic matter, soil moisture, and soil atmosphere. The next chapters focus on microorganisms present in the soil, along with their effects on plant roots. The book also discusses the soil algae, including how algae are affected by physical and chemical environments and their interrelations with other organisms. The remaining chapters look at other organisms that inhabit the soil, including Arthropoda, Collembola, and Mollusca, as well as the probable effects of inhibiting substances upon the biology of soil microorganisms. The final chapters explain the decomposition of organic matter in the soil and the effects of synthetic chemicals on soil microorganisms. This book is a valuable resource for soil biologists and research workers in fields such as botany, agriculture, zoology, and microbiology.
Chemical Sediments And Geomorphology
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Author : Andrew Goudie
language : en
Publisher:
Release Date : 1983
Chemical Sediments And Geomorphology written by Andrew Goudie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Science categories.
Geologie - Geomorphologie - Sedimente, chemische.
International Conference On River Regime
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Author : Dr. W. R. White
language : en
Publisher:
Release Date : 1988
International Conference On River Regime written by Dr. W. R. White and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Nature categories.
Comprises the proceedings of the International Conference on River Regime held at Wallingford, England, May 1988. Describes recent advances in river regime theory, including full discussion of the newly-developed analytical approach. This new approach employs a theoretical description of the dominant fluvial process rather than a purely empirical approach. Also gives an account of the increasing range of application of regime theory, from canals to sand bed streams and rivers, and, more recently, to gravel bed rivers (the latter application still being refined). Provides the latest laboratory data and field data, addresses both empirical and analytical approaches, and looks at channel form, meandering, and many additional factors in the growing science of river regime theory.