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Author:
Publisher:
ISBN:
Category : Soil animals
Languages : en
Pages : 56
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Book Description
Author:
Publisher:
ISBN:
Category : Soil animals
Languages : en
Pages : 56
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Book Description
Author: Franz Schinner
Publisher: Springer Science & Business Media
ISBN: 364260966X
Category : Science
Languages : en
Pages : 438
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Book Description
In terrestrial ecosystems, soil microorganisms and soil animals are essential for litter degradation, soil formation and the availability of nutrients and trace elements. The measurement of biological soil parameters allows a rapid evaluation of the effects of chemical and physical influences due to pollutants or soil management. This book introduces a number of well proved methods for the analysis of carbon, nitrogen, phosphorus and sulfur cycles. It focuses further on the determination of the number and biomass of microorganisms, algae and animals in the soil. Particular emphasis is placed on the comprehensible and complete description of the experimental procedures.
Author: A Burgers
Publisher: Elsevier
ISBN: 0323146589
Category : Technology & Engineering
Languages : en
Pages : 543
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Book Description
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.
Author: Graham Stirling
Publisher: CSIRO PUBLISHING
ISBN: 1486303056
Category : Business & Economics
Languages : en
Pages : 276
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Book Description
Our capacity to maintain world food production depends heavily on the thin layer of soil covering the Earth's surface. The health of this soil determines whether crops can grow successfully, whether a farm business is profitable and whether an enterprise is sustainable in the long term. Farmers are generally aware of the physical and chemical factors that limit the productivity of their soils but often do not recognise that soil microbes and the soil fauna play a major role in achieving healthy soils and healthy crops. Soil Health, Soil Biology, Soilborne Diseases and Sustainable Agriculture provides readily understandable information about the bacteria, fungi, nematodes and other soil organisms that not only harm food crops but also help them take up water and nutrients and protect them from root diseases. Complete with illustrations and practical case studies, it provides growers and their consultants with holistic solutions for building an active and diverse soil biological community capable of improving soil structure, enhancing plant nutrient uptake and suppressing root pests and pathogens. The book is written by scientists with many years' experience developing sustainable crop production practices in the grains, vegetable, sugarcane, grazing and horticultural industries. This book will be useful for: growers, consultants, agronomists and soil chemists, extension personnel working in the grains, livestock, sugarcane and horticultural industries, professionals running courses in soil health/biological farming, and students taking university courses in soil science, ecology, microbiology, plant pathology and other biological sciences.
Author: Irena Sherameti
Publisher: Springer Science & Business Media
ISBN: 364202436X
Category : Technology & Engineering
Languages : en
Pages : 492
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Book Description
Human activities have dramatically changed the composition and organisation of soils. Industrial and urban wastes, agricultural application and also mining activities resulted in an increased concentration of heavy metals in soils. How plants and soil microorganisms cope with this situation and the sophisticated techniques developed for survival in contaminated soils is discussed in this volume. The topics presented include: the general role of heavy metals in biological soil systems; the relation of inorganic and organic pollutions; heavy metal, salt tolerance and combined effects with salinity; effects on abuscular mycorrhizal and on saprophytic soil fungi; heavy metal resistance by streptomycetes; trace element determination of environmental samples; the use of microbiological communities as indicators; phytostabilization of lead polluted sites by native plants; effects of soil earthworms on removal of heavy metals and the remediation of heavy metal contaminated tropical land.
Author: Fatima M. S. Moreira
Publisher: Routledge
ISBN: 1136573100
Category : Nature
Languages : en
Pages : 257
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Book Description
This practical handbook describes sampling and laboratory assessment methods for the biodiversity of a number of key functional groups of soil organisms, including insects, earthworms, nematodes, fungi and bacteria. The methods have been assembled and the protocols drafted by a number of scientists associated with the UNEP-GEF funded Conservation and Sustainable Management of Below-Ground Biodiversity Project, executed by the Tropical Soil Biology and Fertility (TSBF) Institute of the International Center for Tropical Agriculture (CIAT). The methods provide a standardized basis for characterizing soil biodiversity and current land uses in terrestrial natural, semi-natural and agroecosystems in tropical forests and at forest margins. The aim is to assess soil biodiversity against current and historic land use practices both at plot and landscape scales and, further, to identify opportunities for improved sustainable land management through the introduction, management or remediation of soil biota, thus reducing the need for external inputs such as fertilizers and pesticides. The book also contains extensive advice on the handling of specimens and the allocation of organisms to strain or functional group type. Published with TSBF-CIAT, CTA, UNEP and GEF
Author: Richard D. Bardgett
Publisher: Oxford University Press
ISBN: 9780198525028
Category : Science
Languages : en
Pages : 264
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Book Description
Soil science has undergone a renaissance with increasing awareness of the importance of soil organisms and below-ground biotic interactions as drivers of community and ecosystem properties.
Author: Rosa Margesin
Publisher: Springer Science & Business Media
ISBN: 3540693718
Category : Science
Languages : en
Pages : 346
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Book Description
Most of the Earth’s biosphere is characterized by low temperatures. Vast areas (>20%) of the soil ecosystem are permanently frozen or are unfrozen for only a few weeks in summer. Permafrost regions occur at high latitudes and also at high ele- tions; a significant part of the global permafrost area is represented by mountains. Permafrost soils are of global interest, since a significant increase in temperature is predicted for polar regions. Global warming will have a great impact on these soils, especially in northern regions, since they contain large amounts of organic carbon and act as carbon sinks, and a temperature increase will result in a release of carbon into the atmosphere. Additionally, the intensified release of the clima- relevant tracer gas methane represents a potential environmental harzard. Significant numbers of viable microorganisms, including bacteria, archaea, p- totrophic cyanobacteria and green algae, fungi and protozoa, are present in per- frost, and the characteristics of these microorganisms reflect the unique and extreme conditions of the permafrost environment. Remarkably, these microorg- isms have been reported to be metabolically active at subzero temperatures, even down to ?20°C.
Author: Martin Wood
Publisher: Springer
ISBN: 9781461578703
Category : Science
Languages : en
Pages : 0
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Book Description
There is currently great interest in the biology of soil, stimulated by an increased concern to conserve natural resources, not only in agriculture but also in natural ecosystems. Recent developments in molecular biology have increased the possibilities of manipulating soil organisms and the processes they carry out, to improve food production and the quality of the environment. But important environmental questions associated with the application ofthis new biotechnology to soils are still to be resolved. Issues such as the desirability of using genetically-engineered microorganisms in soil can be discussed sensibly only in the light of an understanding of naturally-occurring organisms in soil. Although on a global basis food production continues to increase, man's current relationship with the soil in many parts ofthe world is characterised by decreasing soil fertility and increasing population pressure. Soil Science has an important role to play in the future, helping to solve these problems. Although not all areas of this large and expanding subject are covered in this book, I hope that I have been able to present the principles of soil biology in such a way that will interest the reader.
Author: Wallace H. Fuller
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 124
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Book Description
A selected desert; How soils differ; Why soils differ; What the surface books like; Soil classification.
