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Author: Joseph Shirey Butts
Publisher:
ISBN:
Category : Isotopes
Languages : en
Pages : 12
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Author: Joseph Shirey Butts
Publisher:
ISBN:
Category : Isotopes
Languages : en
Pages : 12
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Author: Argonne National Laboratory
Publisher:
ISBN:
Category : Agricultural research
Languages : en
Pages : 436
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Author: Michael F. L'Annunziata
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 328
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Book Description
Soil fertility and plant nutrition. Isotope tracers. Autoradiography. Radiation absorption and scattering. Activation analysis. Soil nutrients in relation to plant nutrition. Fertilizer disposition. Plant root distribution. Fertility erosion. Evaluation and prospects. Tracers for soil water management. Neutron moisture gauges. Gamma radiation attenuation. Beta radiation attenuation. Sampling field soils. Soil organic matter studies. Input of organic carbon into soils. Decomposition of isotope-labelled materials in soils. Characterization of soil organic matter. Availability of nutrients released from organic residues. Soil microbiology. Soil sampling and processing. Decomposition of naturally occurring materials. Microbial biomass. Interactions of plants and microbes. Denetrification. Mineralization and immobilization of nitrogen. Biologiccal nitrogen fixation. The detection and measurement of radionuclides. Gas ionization counters. Semiconductor detectors. Semiconductor detector applications. Liquid scintillation counting. Cherenkov counting. Solid scintillation counting. Figure-of-merit. Autoradiography. The measurement of 15N. Principle of detection. Sample preparation techniques. Mass spectrometry. Emission spectrometry. The isotope dilution method.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: International Atomic Energy Agency
Publisher:
ISBN: 9789201050182
Category : Technology & Engineering
Languages : en
Pages : 70
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Book Description
Stable isotope techniques can help identify the sources of water pollution associated with agricultural activities. Knowing the origin of nutrients or contaminants is essential to improve agricultural practices. To ensure the quality of stable isotope analysis, appropriate sampling and sample preparation are crucial. This publication presents methods for surface water sampling and sample processing through micro-diffusion and bacterial denitrification combined with laser spectroscopy. Information on such methods is often described in a very summarized and non-comprehensive way without proper illustration of every step. This publication aims to bridge this gap for scientists, technicians and students. It presents a selection of standard operating procedures providing guidance in water sampling and sample preparation that are mandatory when conducting reliable isotope analysis on water.
Author: U.S. Atomic Energy Commission. Division of Isotopes Development
Publisher:
ISBN:
Category : Isotopes
Languages : en
Pages : 104
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Author: U.S. Atomic Energy Commission
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 16
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Author: David Hollander
Publisher: John Wiley & Sons
ISBN: 1118970942
Category : History
Languages : en
Pages : 736
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Book Description
The first book-length overview of agricultural development in the ancient world A Companion to Ancient Agriculture is an authoritative overview of the history and development of agriculture in the ancient world. Focusing primarily on the Near East and Mediterranean regions, this unique text explores the cultivation of the soil and rearing of animals through centuries of human civilization—from the Neolithic beginnings of agriculture to Late Antiquity. Chapters written by the leading scholars in their fields present a multidisciplinary examination of the agricultural methods and influences that have enabled humans to survive and prosper. Consisting of thirty-one chapters, the Companion presents essays on a range of topics that include economic-political, anthropological, zooarchaeological, ethnobotanical, and archaeobotanical investigation of ancient agriculture. Chronologically-organized chapters offer in-depth discussions of agriculture in Bronze Age Egypt and Mesopotamia, Hellenistic Greece and Imperial Rome, Iran and Central Asia, and other regions. Sections on comparative agricultural history discuss agriculture in the Indian subcontinent and prehistoric China while an insightful concluding section helps readers understand ancient agriculture from a modern perspective. Fills the need for a full-length biophysical and social overview of ancient agriculture Provides clear accounts of the current state of research written by experts in their respective areas Places ancient Mediterranean agriculture in conversation with contemporary practice in Eastern and Southern Asia Includes coverage of analysis of stable isotopes in ancient agricultural cultivation Offers plentiful illustrations, references, case studies, and further reading suggestions A Companion to Ancient Agriculture is a much-needed resource for advanced students, instructors, scholars, and researchers in fields such as agricultural history, ancient economics, and in broader disciplines including classics, archaeology, and ancient history.
Author: Michael F. L'Annunziata
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 388
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Book Description
Animals, plants, food and the environment. Crop physiology. Isotopes and methods. Photosynthesis and respiration. Major products. Water and minerals. Translocation and growth. Plant growth substances. Isotopes and food. Entomology. Pathways of radioisotope uptake and elimination. Tagging a arthropods with radioisotopes physiological studies. Radioecological investigations. Effects of irradiation. Sterile insect technique. Agricultural biochemistry. Tracer studies with 14C. Tracer studies with 13C. Tracing the fate of hydrogen. Double label isotope ratios. Kinetic isotope effects. Tracing the fate of oxygen. Precursor-product incorporation and dilution. Animal health and production. Qualitative localization of a radioisotope. Qualitative locatlization of a radioisotope. Quantitave measurement of isotopes-static measurements. Comparator studies. Isotope dilution and related studies. Analysis of dynamic systems. Stable isotopes and other procedures. Use of external and internal irradiation. Agricultural pesticide residues. Utilization of the tracer technique. Use of tracer labelling in animal esperiments. Food preservation. General effects of irradiation. Applications of irradiation. Legislation of food irradiation. Legislation of food irradiation.
Author:
Publisher:
ISBN:
Category : Radioisotopes
Languages : en
Pages : 32
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