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Books > Earth & environment > Earth sciences > Geology & the lithosphere
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Earth Crust
(Hardcover)
Muhammad Nawaz, Farha Sattar, Sandeep Narayan Kundu
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R3,052
Discovery Miles 30 520
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Ships in 18 - 22 working days
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This collection features four peer-reviewed literature reviews on
soil health indicators. The first chapter describes indicators and
frameworks for soil health currently in use. It evaluates the
principles underpinning current approaches to monitoring soil
quality/health and shows these principles have been applied in the
development of a practical soil health toolkit for use by UK
farmers. The second chapter reviews the range of physical, chemical
and biological indicators of soil health and how they can be used
in practice. It focusses on measuring soil health in organic
vegetable cultivation and, in particular, ways of measuring the
effects of adding organic amendments to improve soil health. The
third chapter discusses key issues in soil organic carbon (SOM)
modelling and the development of increasingly sophisticated,
dynamic SOM models. It looks at the role of SOM models in improving
soil health monitoring and developing decision support tools for
farmers The final chapter reviews current challenges in collecting
more systematic and reliable data on earthworm communities,
including issues in identifying different earthworm groups. It
includes a case study on developing a robust method for accurate
measurement of earthworm communities in soil in assessing and
improving soil health.
The well being of the humans including animals depend upon very
much on how the soil productivity is maintained without ecosystems
degradation. Most likely soil can efficiently sustain humanity with
food, fibre, feed to animals and clean environmental maintenance
only when it is considered and managed from the holistic and
ecosystem points of view. Plants need at least 16 essential
elements for their normal growth and to complete their life. The
soil testing provides the status of the nutrients determined in the
laboratory for the application of appropriate rate of fertilizers
to eliminate the nutrients limiting for production. The soil
testing along with plant analysis gives the true status of plant
nutrients affected by soil properties to take the proper care for
the plant growth. Our available water resources are diminishing and
getting polluted with excess use of fertilizers and pesticides
which are ultimately affecting the environment, food produced and
water quality. The purpose of this book 'Soil Testing and Analysis'
is i to provide the vital plant nutrients functions for which soil
testing is to be made; ii to determine the nutrient status of the
soil with appropriate methods, measurements and criteria for
interpreting those assessments; iii to analyze the appropriate
parts of the plant samples for nutrient elements with available
methods of analysis; iv to analyze the important water quality
parameters with interpretations; and v to prepare the soil, plant
and water samples for the analysis of pesticide residues with the
different available methods. This is a comprehensive presentation
of useful information for the scientific and technical personals
involved in such types of analysis.
Modern mineral exploration is the Modern Hunting of the Solid
Earth". It provides a vital bridging between mineral explorations
coupled with committed intellectual investment. Mineral explorers
like: geochemists, geophysists, geomatists, geo-technical
engineers, mineral chemists, environmental scientists, ceramic
engineers, metallurgists and business communities with diverse
range of interests and in training the experts of specific research
needs. This volume covers major areas like: Mineral resources.
Modern techniques for exploration of resources. Exploration and
exploitation of water resources. Environmental studies. Economic
development. This collection of illustrations with maps,
photographs, figures, satellite images, colour photographs and
tables will be found beneficial to students, researchers, field
professionals and to decision makers." jacket
This book deals with sedimentary sulfides which are the most
abundant authigenic minerals in sediments.Special emphasis is given
to the biogeochemistry that plays such a central role in the
formation of sedimentary sulfides. It will be of interest to
scientists in a number of disciplines, including geology,
microbiology, chemistry and environmental science. The sulfur
system is important to environmental scientists considering the
present and future effects of pollution and anoxia.The development
of the sulfur system - particularly the characteristics of ocean
anoxia over the last 200 Ma - is useful in predicting the future
fate of the Earth surface system as well asin understanding the
past. The biochemistry and microbiology of the sulfur systemare key
to understanding microbial ecology and the evolution of life.
First monograph on sedimentary sulfides, covering the ancient and
modern sedimentary sulfide systemsComprehensive, integrating
chemistry, microbiology, geology and environmental scienceAll key
references are included and discussed
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Hydrogeomorphology is the science relating to the geographical,
geological and hydrological aspects of water bodies and changes to
these in response to flow variations and to natural and human
caused events. The book covers the aspects of water resources,
aquifer properties, structural and drainage patterns, with special
reference to latest topics like Rain Water Harvesting, Watershed
Development, Remote Sensing, GIS, GPS, DSTM, MCE and TIR. With
social, cultural and administrative steps, problems with their
solutions and means of sustainable development finding their way in
the book, thus making the book a must buy for all concerned. The
present book covers detailed studies of hydrogeology and
geomorphology. Their simple and accurate presentation by images and
tables serves the appetite of not only the students but also of the
professionals in the field of agricultural and civil engineering,
environment, geology, geomorphology, hydrogeology, hydrology and
irrigation.
Geomorphology is the study of external landscape/architecture of
earth's crust which stands as a testimony not only for the palaeo
morphotectonic and morpho-dynamic activities but also the present
day geological processes as well, thus making geomorphology
significant in understand the hierarchical evolution of the earth
and related resources, environment/ecosystems and disaster
proneness. With remote sensing deepening its roots in all fields,
the scope of geomorphology too has phenomenally widened as
fabrication and animation of modern geologic/geomorphic processes
are being easily done by remote sensing.
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Geochemistry
(Hardcover)
Milos Rene, Gemma Aiello, Gaafar El Bahariya
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R3,574
Discovery Miles 35 740
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Ships in 18 - 22 working days
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Geomorphological Mapping: a professional handbook of techniques and
applications is a new book targeted at academics and practitioners
who use, or wish to utilise, geomorphological mapping within their
work. Synthesising for the first time an historical perspective to
geomorphological mapping, field based and digital tools and
techniques for mapping and an extensive array of case studies from
academics and professionals active in the area. Those active in
geomorphology, engineering geology, reinsurance, Environmental
Impact Assessors, and allied areas, will find the text of immense
value.
Growth of interest in geomorphological mapping and currently no
texts comprehensively cover this topicExtensive case studies that
will appeal to professionals, academics and students (with
extensive use of diagrams, potentially colour plates)Brings
together material on digital mapping (GIS and remote sensing),
cartography and data sources with a focus on modern technologies
(including GIS, remote sensing and digital terrain
analysis)Provides readers with summaries of current advances in
methodological/technical aspectsAccompanied by electronic resources
for digital mapping
The paradigm and models of traditional soil science lack the
ability to adequately address issues of soil dynamics,
environmental integration, and change. Unexplainable research
results obtained from traditional soil studies applied to
non-traditional soil phenomena in physical geography, archaeology
and ecology speak to the current need for soil science to move
beyond description and classification and into a dynamic
process-oriented soil science capable of providing explanations.
Soils do not behave as static inert geologic detritus affected by
climate, organisms, relief, and parent material through time, but
instead soils behave as self-organizing systems dynamically
interrelating with their environment. Recognition of this dynamic
behaviour required a re-examination of how scientists in general
think and in how modern soil science specifically evolved its basic
paradigms and models. This book examines the dynamics of soil
organic carbon and demonstrates the self-organizing nature of soil
through time as soil responds to a wide range of environmental and
human perturbations.
* Wide coverage of soils and perennial cropping systems in the
tropics * Synthesis of decades of research * Challenges assumptions
on the benefits of plantations for soil fertilityIt is generally
assumed that soil fertility decline is widespread in the tropics
and that this is largely associated with annual cropping and
subsistence farming. In contrast, perennial plant cover (as in
plantation agriculture) provides better protection for the soil.
This book reviews these concepts, focusing on soil chemical changes
under different land-use systems in the tropics. These include
perennial crops, annual crops and forest plantations. Two case
studies, on sisal plantations in Tanzania and sugar cane in Papua
New Guinea, are presented for detailed analysis. The author
demonstrates that soil fertility decline is also a problem on
plantations.
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