Download or read book User s Manual for Agricultural Runoff Management ARM Model written by Anthony S. Donigian (Jr.) and published by . This book was released on 1978 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Users Manual for Hydrological Simulation Program FORTRAN HSPF written by Robert C. Johanson and published by . This book was released on 1980 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Selected Irrigation Return Flow Quality Abstracts written by and published by . This book was released on with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book EPA 600 2 written by and published by . This book was released on 1980 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Selected Irrigation Return Flow Quality Abstracts 1978 written by Gaylord V. Skogerboe and published by . This book was released on 1980 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Impact of Agricultural Production Activities written by Larry W. Canter and published by CRC Press. This book was released on 2018-01-18 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book summarizes actual and/or relative environmental impacts resulting from existing and emerging agricultural production technologies, as practised in the USA. Case studies of environmental impacts of agricultural practices are discussed in one chapter, while separate chapters consider water and soil, air quality, noise and waste impacts. Air pollutants from cultivation operations, burning, agricultural vehicles, harvesting and grain handling, pesticide applications, wind erosion etc. are all considered. Noise produced by agricultural activities and exposure patterns for agricultural workers are examined. An annotated bibliography is included for the environmental impacts discussed in the text. Emerging agricultural production technologies such as nitrogen fixation, genetic engineering, plant growth regulation, erosion control, water management and waste utilization etc. are also compared for efficiency and environmental impacts.
Download or read book Proceedings of Stormwater and Water Quality Model Users Group Meeting October 3 4 1988 Denver Colorado written by James C. Y. Guo and published by . This book was released on 1989 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aquatics Toxicology and Hazard Assessment written by and published by ASTM International. This book was released on with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ecological Research Series written by and published by . This book was released on 1977 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings of Stormwater and Water Quality Model Users Group Meeting January 31 February 1 1985 written by Thomas O. Barnwell and published by . This book was released on 1985 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1986 with total page 1140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Publications a Quarterly Guide written by and published by . This book was released on 1979 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1978 with total page 1228 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Download or read book Fundamentals Of Aquatic Toxicology written by Gary M. Rand and published by CRC Press. This book was released on 2020-08-06 with total page 1152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text is divided into three parts. The first part describes basic toxicological concepts and methodologies used in aquatic toxicity testing, including the philosophies underlying testing strategies now required to meet and support regulatory standards. The second part of the book discusses various factors that affect transport, transformation, ultimate distribution, and accumulation of chemicals in the aquatic environment, along with the use of modelling to predict fate.; The final section of the book reviews types of effects or endpoints evaluated in field studies and the use of structure-activity relationships in aquatic toxicology to predict biological activity and physio-chemical properties of a chemical. This section also contains an extensive background of environmental legislation in the USA and within the European Community, and an introduction to hazard/risk assessment with case studies.
Download or read book Advances in Soil Science written by and published by Springer Science & Business Media. This book was released on 2013-03-07 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the beginning of agriculture until about 1950, increased food production came almost entirely from expanding the cropland base. Since 1950, however, the yield per unit of land area for major crops has increased dramatically. Much of the increase in yields was because of increased inputs of energy. Between 1950 and 1985, the farm tractor fleet quadrupled, world irrigated area tripled, and use of fertilizer increased ninefold. Between 1950 and 1985, the total energy used in world agriculture increased 6. 9 times. Irrigation played a particularly important role in the rapid increase in food production between 1950 and 1985. The world's irrigated land in 1950 totaled 94 million hectares but increased to 140 million by 1960, to 198 million by 1970, and to 271 million hectares in 1985. However, the current rate of expansion has slowed to less than 1 % per year. The world population continues to increase and agricultural production by the year 2000 will have to be 50 to 60% greater than in 1980 to meet demands. This continued demand for food and fiber, coupled with the sharp decline in the growth rate of irrigation development, means that much of the additional agricultural production in future years must come from cultivated land that is not irrigated. Agricultural production will be expanded in the arid and semiarid regions because these regions make up vast areas in developing countries where populations are rapidly rising.
Download or read book Application Guide for Hydrologic Simulation Program Fortran HSPF written by and published by . This book was released on 1984 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalogue United States Public Documents written by and published by . This book was released on 1978-07 with total page 2612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
