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Effects Of Fumigant Chemicals On Microbial Activity And Nitrogen Transformation And On Crop Response In Organic Soil
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Book Synopsis Effects of Fumigant Chemicals on Microbial Activity and Nitrogen Transformation and on Crop Response in Organic Soil by : James Irvin Kirkwood
Download or read book Effects of Fumigant Chemicals on Microbial Activity and Nitrogen Transformation and on Crop Response in Organic Soil written by James Irvin Kirkwood and published by . This book was released on 1962 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Temperature and Ammonium to Nitrate Ratio on Microbial Responses to Fumigation in Organic Soil by : Fang Hui Liao
Download or read book Effects of Temperature and Ammonium to Nitrate Ratio on Microbial Responses to Fumigation in Organic Soil written by Fang Hui Liao and published by . This book was released on 1963 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Chemical Fumigation and Biofumigation on the Soil Nitrogen Cycle, Soil Respiration, and the Soil Microbial Community by : Louise Sennett
Download or read book The Effect of Chemical Fumigation and Biofumigation on the Soil Nitrogen Cycle, Soil Respiration, and the Soil Microbial Community written by Louise Sennett and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical fumigation and biofumigation are used to reduce soil-borne diseases in potato crop production systems. However, soil fumigation may impact non-targeted soil microorganisms, consequently altering essential soil processes. In a first microcosm experiment, chemical fumigation with chloropicrin (CP) or metam sodium (MS) either used alone or combined with an organic amendment (OA) and biofumigation with mustard plant residues were assessed for their effects on key soil nitrogen (N) processes, the abundance of N-related microorganisms, and soil bacterial diversity. Biofumigation did not affect net N mineralization, nitrification, or nitrifier and denitrifier abundance, but increased denitrification. Chemical fumigation used alone did not affect net N mineralization. All chemical fumigant treatments inhibited nitrification and decreased nitrifier abundance compared to biofumigation. Only CP fumigation decreased denitrifier abundance. Biofumigation transiently decreased bacterial evenness at early time points. Conversely, CP fumigation had an enduring impact on bacterial diversity, decreasing species evenness and yielding the most dissimilar community. Unexpectedly, MS fumigation combined with an OA delayed the flux of soil respiration compared to amended non-fumigated soil, indicating chemical fumigation may impact plant residue decomposition. This was further investigated in a second microcosm experiment, in which chemical fumigation (with CP or MS) combined with an OA of contrasting carbon (C) availability were assessed for their effects on soil respiration, soil inorganic N concentrations, and soil bacterial and fungal diversity. When combined with an OA, chemical fumigation decreased soil respiration, regardless of C availability, and apparent plant residue decomposition compared to amended non-fumigated soil. Chemical fumigation with MS only affected bacterial diversity when combined with a labile OA. MS fumigation did not affect fungal diversity. Chemical fumigation with CP used alone or combined with an OA decreased bacterial and fungal species richness and evenness and yielded the most dissimilar bacterial and fungal community compared to all other treatments. Overall, the results of this thesis suggest that 1) chemical fumigation had a greater impact on the soil N cycle, N-related microorganisms, and bacterial diversity than biofumigation, and 2) chemical fumigation reduced soil respiration, indicative of reduced OA decomposition, and altered microbial diversity regardless of soil OA or C availability.
Download or read book Dissertation Abstracts written by and published by . This book was released on 1963-05 with total page 1756 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstracts of dissertations and monographs in microform.
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1985 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Organic Amendments, Fertilizer Nitrogen, Time, and Cropping Sequence on the Mineralization of Soil Organic Nitrogen by : Jose Antonio Mora R
Download or read book Effects of Organic Amendments, Fertilizer Nitrogen, Time, and Cropping Sequence on the Mineralization of Soil Organic Nitrogen written by Jose Antonio Mora R and published by . This book was released on 1957 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microbial Control of the Nitrogen Cycle by : Lourdes Girard
Download or read book Microbial Control of the Nitrogen Cycle written by Lourdes Girard and published by Frontiers Media SA. This book was released on 2020-07-02 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plant Root Interaction With Associated Microbiomes to Improve Plant Resiliency and Crop Biodiversity by : Nikolay Vassilev
Download or read book Plant Root Interaction With Associated Microbiomes to Improve Plant Resiliency and Crop Biodiversity written by Nikolay Vassilev and published by Frontiers Media SA. This book was released on 2021-09-10 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pesticide Effects on Soil Microflora by : Laurence Somerville
Download or read book Pesticide Effects on Soil Microflora written by Laurence Somerville and published by Taylor & Francis Group. This book was released on 1987 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Van de 15 hoofdstukken zijn 3 van Nederlandse instituten afkomstig, nl. over laboratoriummetingen aan bodemademhaling (TNO, Zeist); ammonificatie en nitrificatie: veldwaarnemingen tegenover laboratoriumproeven (IB, Haren); pesticide-bijwerkingen: regelgeving in Nederland (IOB, Wageningen)
Book Synopsis Pesticide Interactions in Crop Production by : J. Altman
Download or read book Pesticide Interactions in Crop Production written by J. Altman and published by CRC Press. This book was released on 2018-01-18 with total page 977 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pesticide Interactions in Crop Production: Beneficial and Deleterious Effects evaluates the effects of pesticides on plants by exploring the physical, chemical, biological, and ecological interactions of pesticides that influence a crop. The effects of pesticides on the environment and on the crop pests themselves are considered as well. Specific topics addressed include iatrogenic responses, the fate of pesticides applied to cereals under field conditions, the persistance of pesticides on target crops, the effect of pesticides on soil symbionts, and the role of ecological agriculture on conventional and organic cropping systems. Pesticide Interactions in Crop Production: Beneficial and Deleterious Effects will be an important volume for agriculturalists, phytologists, mycologists, soil biologists, plant pathologists, tropical ecologists, arboriculturalists, and other researchers interested in the effects of pesticides on crops and soil.
Book Synopsis Effects of Some Pesticides on Microbial Activities of the Soil by : Lewis William Jones
Download or read book Effects of Some Pesticides on Microbial Activities of the Soil written by Lewis William Jones and published by . This book was released on 1956 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1970 with total page 1248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index to American Doctoral Dissertations by :
Download or read book Index to American Doctoral Dissertations written by and published by . This book was released on 1962 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microorganisms In Industry And Environment: From Scientific And Industrial Research To Consumer Products - Proceedings Of The Iii International Conference On Environmental, Industrial And Applied Microbiology (Biomicroworld2009) by : Antonio Mendez-vilas
Download or read book Microorganisms In Industry And Environment: From Scientific And Industrial Research To Consumer Products - Proceedings Of The Iii International Conference On Environmental, Industrial And Applied Microbiology (Biomicroworld2009) written by Antonio Mendez-vilas and published by World Scientific. This book was released on 2010-12-09 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book aims to disseminate the most current research in applied microbiology presented at the III International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2009) held in Lisbon, Portugal, in December 2009.This volume offers an inviting exploration of microbiology from scientific and industrial research to consumer products in a compilation of more than 150 papers written by leading experts in the field, who afford critical insights into several topics, review current research and discuss future directions to stimulate further discussions. This book also serves as an update on the most important current microbial research, by providing a comprehensive overview of cutting-edge topics in a single volume, where readers can also gain insights into how microbiology can solve problems in everyday settings.Although largely intended for microbiologists interested in knowing the latest developments in agriculture, environmental, food, industrial, medical and pharmaceutical microbiology and microbial biotechnology, this book is also a great source of reference for scientists and researchers involved in advancements in applied microbiology.
Author :National Research Initiative Competitive Grants Program (United States. Cooperative State Research, Education, and Extension Service) Publisher : ISBN 13 : Total Pages :360 pages Book Rating :4.3/5 ( download)
Book Synopsis Abstracts of Funded Research by : National Research Initiative Competitive Grants Program (United States. Cooperative State Research, Education, and Extension Service)
Download or read book Abstracts of Funded Research written by National Research Initiative Competitive Grants Program (United States. Cooperative State Research, Education, and Extension Service) and published by . This book was released on 1997 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Climate Change and Ecosystems by : Shah Fahad
Download or read book Climate Change and Ecosystems written by Shah Fahad and published by CRC Press. This book was released on 2022-07-25 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: The global population is projected to increase by 3.3 billion from 6.7 billion in 2008 to 10 billion in 2100. As a result, soil degradation and desertification are growing due to the increasing demand for food, feed, fiber, and fuel on finite soil resources. The problem of global food insecurity may be further worsened by the threat of global warming. Climate change is showing its impacts in terms of increasing temperatures, variable rainfall, and an increase in climate-related extremes such as floods, droughts, cyclones, sea-level rise, salinity, and soil erosion. The agriculture sector is the most sensitive to climate change because the climate of a region/country determines the nature and characteristics of vegetation and crops. Increase in the mean seasonal temperature and decrease in effective precipitation can reduce the duration of many crops, may lead to outbreaks of pests and diseases, and hence reduce final yield ultimately affecting the food security of the country. Despite the positive impact of CO2 fertilization, the net productivity may decrease because of an increase in respiration rate, drought stress, and nutrient deficiency. For example, for every 75 ppm increase in CO2 concentration, rice yields will increase by 0.5 t/ha, but the yield will decrease by 0.6 t/ha for every 1°C increase in temperature. The global agricultural productivity is expected to decrease from 3% to 16% by 2080. The estimated decrease in agricultural productivity in the developing countries is 10%–25% in the 2080s, where average air temperature is already near or above crop tolerance levels. This book is intended to serve as a stimulating collection that will contribute to debate and reflection on the sustainable future of agriculture and food production in the face of global change. Features: This book brings together a multidimensional group of international scholars exploring the ethical dimensions of climate change and ecosystem. New strategies have been pointed out in this book for better sustainable development. This book has been designed to provide a good overview of major challenges facing policymakers, researchers, and ultimately humankind in dealing with climate change. This book summarizes the diverse features of vulnerability, adaptation, and amelioration of climate change in respect to plants, crops, soil, and microbes for the sustainability of the agricultural sector, and, ultimately, food security for the future. This book provides a state-of-the-art description of the physiological, biochemical, and molecular status of the understanding of abiotic stress in plants.
Book Synopsis Insecticides−Soil Microbiota Interactions by : Naga Raju Maddela
Download or read book Insecticides−Soil Microbiota Interactions written by Naga Raju Maddela and published by Springer. This book was released on 2017-10-04 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides information about the nontarget nature of selected soil enzymes which are implicated in soil fertility and health and the methods for their assay. It also shows how these soil enzymes are affected by two different pesticides, buprofezin and acephate, used both extensively and intensively in modern agriculture.
