Persistence And Accumulation Of Clopyralid 3 6 Dichloropicolinic Acid In Soil
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Persistence And Accumulation Of Clopyralid 3 6 Dichloropicolinic Acid In Soil
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Author : Karin Tanphiphat
language : en
Publisher:
Release Date : 1986
Persistence And Accumulation Of Clopyralid 3 6 Dichloropicolinic Acid In Soil written by Karin Tanphiphat and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Soils categories.
Field studies were started at Hyslop Farm, Corvallis, Oregon in 1984 to determine the soil persistence of the herbicide clopyralid (3,6-dichloropicolinic acid) under cropping situations. The herbicide was sprayed on bare soil at the proposed use rate of 0.14 kg/ha in the spring and on the same plots at a high rate of 0.56 kg/ha in the summer. Winter wheat (Triticum aestivum L. 'Stephen') was seeded in the same fall. Treated plots did not yield differently than untreated plots. Safflower (Carthamus tinctorius L.), a crop known to be sensitive to clopyralid, was planted in the spring of 1985 to the area treated with clopyralid in 1984. Safflower grew normally and fresh weights were not reduced. Greenhouse bioassays were conducted on soil samples collected from two separate sets of plots treated with clopyralid in the fall of 1984 or the spring of 1985. The application rates were 0.56 and 1.12 kg/ha. Lentil (Lentilla lens L.), safflower, and peas (Pisum sativum L.) were used as indicator plants. From the plots sprayed in the fall, soil samples were collected at 0, 14, 34, 54, 114, 220, and 287 days after treatment. Clopyralid disappeared faster in the second depth (10 to 20 cm depth) than in the first depth (0 to 10 cm depth). No herbicide was detected in the second depth 220 days after treatment but in the first depth there was sufficient herbicide to cause growth reduction in all of the indicator species. In soil sampled 287 days after applying either 0.56 or 1.12 kg/ha, enough herbicide remained in the first depth to produce slight symptoms on lentil. No herbicide injury was observed on peas or safflower. From plots sprayed in the spring, soil samples were collected 0, 14, 28, and 56 days after treatment. In the spring, clopyralid dissipated more slowly than in the fall, based on the observation that the indicator plants were more severely injured when grown in soil samples collected following the spring application than they were following the fall application. Adding 2,4-D did not affect clopyralid persistence. Clopyralid and XRM-3785 (clopyralid + 2,4-dichlorophenoxy acetic acid) at the same dosage of clopyralid disappeared from the soil at approximately the same time.
Masters Theses In The Pure And Applied Sciences
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Author : Wade H. Shafer
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Masters Theses In The Pure And Applied Sciences written by Wade H. Shafer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thougtit that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 31 (thesis year 1986) a total of 11 ,480 theses titles trom 24 Canadian and 182 United States universities. We are sure that this broader base tor these titles reported will greatly enhance the value ot this important annual reterence work. While Volume 31 reports theses submitted in 1986, on occasion, certain univer sities do re port theses submitted in previousyears but not reported at the time.
Systems Of Weed Control In Wheat In North America
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Author : William W. Donald
language : en
Publisher:
Release Date : 1990
Systems Of Weed Control In Wheat In North America written by William W. Donald and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Gardening categories.
Horticultural Abstracts
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Author :
language : en
Publisher:
Release Date : 1984
Horticultural Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Fruit-culture categories.
The Humanure Handbook
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Author : Joseph C. Jenkins
language : en
Publisher:
Release Date : 2005
The Humanure Handbook written by Joseph C. Jenkins and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Gardening categories.
The most comprehensive, up-to-date and thoroughly researched book on the topic of composting human manure available anywhere. It includes a review of the historical, cultural and environmental issues pertaining to "human waste," as well as an in depth look at the potential health risks related to humanure recycling, with clear instructions on how to eliminate those dangers in order to safely convert humanure into garden soil. Written by a humanure composter with over thirty years experience, this classic work now includes illustrated, step-by-step instructions on how to build a humanure toilet, a chapter on alternative graywater systems, photos of owner-built humanure toilets from around the world, and an overview of commercial composting toilets and systems.
Analytical Methods For Food Safety By Mass Spectrometry
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Author : Guo-Fang Pang
language : en
Publisher: Academic Press
Release Date : 2018-06-29
Analytical Methods For Food Safety By Mass Spectrometry written by Guo-Fang Pang and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-29 with Science categories.
Analytical Methods for Food Safety by Mass Spectrometry, Volume One: Pesticides systematically introduces the Pesticide and Veterinary Drug Multiresidues Analytical Methods. Volume One includes discussions on 20 pesticide multiresidues chromatic-MS (GC-MS and LC-MS/MS) analytical techniques that have the capability of detecting over 800 pesticides and chemicals in 10 categories of agricultural products, including fruits, vegetables, grains, teas, Chinese medicinal herbs, edible fungus mushrooms, fruit and vegetable juices, animal tissues, aquatic products, raw milk and milk powders, and drinkable water. This book also includes chromatic-MS analytical parameters, linear equations and GPC chromatic behavior parameters for over 800 pesticides. This valuable book can be used as reference for not only university students, but also technical personnel of different specialties who are engaged with study and applications, such as food safety, agricultural environment protection, pesticide development, and utilization in scientific research units, institutions and quality inspection organizations. Provides the chromatic-MS analytical technique for over 1000 commonly-used veterinary and pesticide residues Covers a large varieties of target compounds, including over 800 pesticides (organophosphorus, organochlorine, carbamate, pyrethroids) and over 200 veterinary drugs, including Fluoroquinolone, Sulfonamides, Chloramphenicol, Nitrofurans, Tetracyclines, Nitroimidazole, β-lactams, Quinoxaline, Benzimidazole, β-Adrenoceptor agonists, Aminoglycoside, and more Includes the latest information on sophisticated pre-treatment techniques with a single sample pre-treatment and simultaneous detection by GC-MS and LC-MS/MS
Bibliography Of Agriculture
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Author :
language : en
Publisher:
Release Date : 1985
Bibliography Of Agriculture written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Agriculture categories.
The Smallest Biomolecules Diatomics And Their Interactions With Heme Proteins
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Author : Abhik Ghosh
language : en
Publisher: Elsevier
Release Date : 2011-10-13
The Smallest Biomolecules Diatomics And Their Interactions With Heme Proteins written by Abhik Ghosh and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-10-13 with Science categories.
This is not a book on NO biology, nor about hemoglobin, nor about heme-based sensors per se. Of course, it covers all these topics and more, but above all, it aims at providing a truly multidisciplinary perspective of heme-diatomic interactions. The overarching goal is to build bridges among disciplines, to bring about a meeting of minds. The contributors to this book hail from diverse university departments and disciplines – chemistry, biochemistry, molecular biology, microbiology, zoology, physics, medicine and surgery, bringing with them very different views of heme-diatomic interactions. The hope is that the juxtaposition of this diversity will lead to increased exchanges of ideas, approaches, and techniques across traditional disciplinary boundaries. The authors represent a veritable Who’s Who of heme protein research and include John Olson, Tom Spiro, Walter Zumft, F. Ann Walker, Teizo Kitagawa, W. Robert Scheidt, Pat Farmer, Marie-Alda Gilles-Gonzalez, and many other equally distinguished scientists. Extremely distinguished list of authors Multidisciplinary character – equally suitable for chemists and biochemists Covers the hottest topics in heme protein research: sensors, NO biology, new roles of hemoglobin, etc.
Food Toxicants Analysis
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Author : Yolanda Picó
language : en
Publisher: Elsevier
Release Date : 2007-02-07
Food Toxicants Analysis written by Yolanda Picó and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-02-07 with Technology & Engineering categories.
Food Toxicants Analysis covers different aspects from the field of analytical food toxicology including emerging analytical techniques and applications to detect food allergens, genetically modified organisms, and novel ingredients (including those of functional foods). Focus will be on natural toxins in food plants and animals, cancer modulating substances, microbial toxins in foods (algal, fungal, and bacterial) and all groups of contaminants (i.e., pesticides), persistent organic pollutants, metals, packaging materials, hormones and animal drug residues. The first section describes the current status of the regulatory framework, including the key principles of the EU food law, food safety, and the main mechanisms of enforcement. The second section addresses validation and quality assurance in food toxicants analysis and comprises a general discussion on the use of risk analysis in establishing priorities, the selection and quality control of available analytical techniques. The third section addresses new issues in food toxicant analysis including food allergens and genetically modified organisms (GMOs). The fourth section covers the analysis of organic food toxicants. * step-by-step guide to the use of food analysis techniques* eighteen chapters covering emerging fields in food toxicants analysis* assesses the latest techniques in the field of inorganic analysis
To Spray Or Not To Spray
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Author :
language : en
Publisher:
Release Date : 1995
To Spray Or Not To Spray written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Pesticides categories.