Download or read book Liquid Swine Manure and Nitrogen Fertilizer Effects on Soybean Yield Soil Profile Nitrogen and Mineralization Rates written by Jodi Marne DeJong and published by . This book was released on 1995 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought 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 concerned if the printing and distribution of the volumes were handled by an international 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 Corporation 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 40 (thesis year 1995) a total of 10,746 thesis titles from 19 Canadian and 144 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 40 reports theses submitted in 1995, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.
Download or read book Liquid Swine Manure as a Nitrogen Source for Corn and Soybean Production written by Sudipta Rakshit and published by . This book was released on 2002 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid swine (Sus scrofa domesticus) manure is a large crop nutrient resource in Iowa, but one that should be managed appropriately to gain maximum effectiveness. A multi-year project was initiated on producers' fields to determine the impact of liquid swine manure-N on corn (Zea mays L.) and soybean [Glycine max (L.) Merr.] production. Liquid swine manure was injected or broadcast applied (two sites) in field-length strips. The intended rates for corn-soybean were 0, 84, and 168 kg total manure-N ha−1, and for corn-corn and soybean-corn were 0, 112, and 224 kg total-N ha−1. Manure samples were collected during application, and in conjunction with applicator calibration, used to calculate total-N rates. Four fertilizer-N rates (0, 45, 90, and 135 kg N ha−1 for corn-soybean and 0, 67, 135, and 202 kg N ha−1 for corn-corn) were applied to small split-plots within each manure strip to measure response to additional N. Corn N status indicators and grain yield showed frequent and large increase to the low manure-N rate. Smaller additional yield increase was found with the high liquid swine manure-N rates at the most responsive sites. Corn typically produced highest yield increase to additional fertilizer-N when manure was not applied, frequent increase with the low manure rate (magnitude depending upon the site N responsiveness), and no response with the high manure rate. While it was not possible to determine the specific first-year availability of the liquid swine manure-N, we found no reason to estimate it is much different than fully crop available. Liquid swine manure application increased soybean grain yield at several sites, and did not reduce yield. When manure total-N was applied to soybean at rates
Download or read book Effects of Liquid Swine Manure and Its Components on Heterodera Glycines Population Densities and Soybean Growth and Yield written by Dean Alan Reynolds and published by . This book was released on 2000 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of application of swine manure and a comparable rate of inorganic fertilizer to corn on soybean cyst nematode, Heterodera glycines, population densities and soybean growth and yield the following year were studied in two two-year corn and soybean rotations. Soybean heights and yields were increased by manure and inorganic fertilizer that were applied the previous year in corn. Heterodera glycines egg population densities were reduced 48 to 64% in the two experiments after a year of corn. Egg population densities at corn harvest in both experiments were the same where manure or fertilizer was applied and in the untreated, planted control. Nutrient source and whether corn was or was not planted the first year had no influence on H. glycines egg population densities after soybean harvest the second year. In another set of four experiments, the effects of application of swine manure and inorganic fertilizer to soil prior to planting soybeans were evaluated. Both nutrient treatments reduced soybean plant population densities in three experiments and increased plant heights in all four experiments.
Download or read book Handbook of Soil Sciences Two Volume Set written by Pan Ming Huang and published by CRC Press. This book was released on 2018-10-03 with total page 2272 pages. Available in PDF, EPUB and Kindle. Book excerpt: An evolving, living organic/inorganic covering, soil is in dynamic equilibrium with the atmosphere above, the biosphere within, and the geology below. It acts as an anchor for roots, a purveyor of water and nutrients, a residence for a vast community of microorganisms and animals, a sanitizer of the environment, and a source of raw materials for co
Download or read book The Effect of Soil Type and Fertilizer Treatment on the Composition of the Soybean Plant written by Russell Hayden Austin and published by . This book was released on 1928 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Commencement written by Iowa State University and published by . This book was released on 1993 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Impact of Liquid Swine Manure on Nutrient Loss and Bacteria Transport to Subsurface Drainage Water Under Corn soybean Rotations written by Chi Kim Hoang and published by . This book was released on 2012 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Master s Theses Directories written by and published by . This book was released on 1997 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Education, arts and social sciences, natural and technical sciences in the United States and Canada".
Download or read book Liquid Swine Manure as a Phosphorus Source for Corn soybean Rotation written by Mónica M. Barbazán and published by . This book was released on 2004 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improving management guidelines may result in more efficient use of liquid swine manure and in reduced environmental risks. Two different studies were conducted on farmers' fields using liquid swine manure on corn and soybean crops. One study used conventional research plot methodology with objectives to evaluate (a) manure P effects on early plant growth, early P plant uptake, grain yield, and P removal with grain, (b) crop response to fertilizer P applied in addition to manure P applied once for two crops; and (c) evaluate liquid swine manure P application on soil P measured with three routine soil-P tests (Bray-1 P, Olsen, and Mehlich 3 P), and two environmental tests (Iron-oxide and Water extraction). The second study used a strip-trial methodology using precision agriculture technologies and its objective was to compare three statistical methods (classical, geostatistic, and Markov randon field model) to study soil-test P spatial variability after applying liquid swine manure with variable-(VR) and fixed-(FR) rate application methods. Early growth and P uptake were not directly related to manure or fertilizer P application. Grain yield responsive sites tested less
Download or read book Environmental Management Handbook Second Edition Six Volume Set written by Sven Erik Jorgensen and published by CRC Press. This book was released on 2022-07-30 with total page 3829 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bringing together a wealth of knowledge, the Handbook of Environmental Management, Second Edition, gives a comprehensive overview of environmental problems, their sources, their assessment, and their solutions. Through in-depth entries, and a topical table of contents, readers will quickly find answers to questions about pollution and management issues. This six-volume set is a reimagining of the award-winning Encyclopedia of Environmental Management, published in 2013, and features insights from more than 500 contributors, all experts in their fields. The experience, evidence, methods, and models used in studying environmental management is presented here in six stand-alone volumes, arranged along the major environmental systems. Features of the new edition: The first handbook that demonstrates the key processes and provisions for enhancing environmental management. Addresses new and cutting -edge topics on ecosystem services, resilience, sustainability, food-energy-water nexus, socio-ecological systems and more. Provides an excellent basic knowledge on environmental systems, explains how these systems function and offers strategies on how to best manage them. Includes the most important problems and solutions facing environmental management today.
Download or read book Handbook of Reference Methods for Plant Analysis written by Yash Kalra and published by CRC Press. This book was released on 2019-12 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Reference Methods for Plant Analysis is an outstanding resource of plant analysis procedures, outlined in easy-to-follow steps and laboratory-ready for implementation. Plant laboratory preparation methods such as dry ashing and acid and microwave digestion are discussed in detail. Extraction techniques for analysis of readily soluble elements (petiole analysis) and quick test kits for field testing are also presented. This handbook consolidates proven, time tested methods in one convenient source. Plant scientists in production agriculture, forestry, horticulture, environmental sciences, and other related disciplines will find the Handbook a standard laboratory reference. The Handbook was written for the Soil and Plant Analysis Council, Inc., of which the editor is a board member. The council aims to promote uniform soil test and plant analysis methods, use, interpretation, and terminology; and to stimulate research on the calibration and use of soil testing and plant analysis. This reference will help readers reach these important goals in their own research.
Download or read book Rotational and Residual Nitrogen Effects on Soybean and Corn written by Kevin G. Silveira and published by . This book was released on 1993 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effects of Variable Rates Times and Methods of Application of Swine Manure on Nitrate nitrogen in Subsoil Water Crop Yields N Uptake and Recovery and Soil Residual Nitrate nitrogen written by Sara Dominga Smith and published by . This book was released on 1999 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nitrogen recovery decreased with increasing N rate. Higher N03-N, corn yields and precipitation but lower N uptake and recovery were recorded in 1998. Residual soil N03-N increased with increasing N rate but decreased with depth, and at 0-30 cm, N rate effects were significant in 1998 but non-significant in 1996 and 1997. The effects of temperature (5, 20 and 35° C) and swine manure (168 kg-N/ha) on nitrification and N03-N leaching was investigated in 18 undisturbed soil columns, At 5, 20 and 35° C, the apparent nitrification rate constants and N03-N means were 0.0026, 0.0253 and 0.0046/week and 16.6, 89.5 and 45.1 mg/L, respectively. The inhibition of nitrification at 35° C may help explain the lower N03-N observed with side-dress applications. Careful swine manure N management is recommended because of potential increases in subsoil water N03-N, surface soil N03-N accumulation, reduced N recovery and limited yield responses at the high N rate.
Download or read book Encyclopedia of Environmental Management Four Volume Set written by Sven Erik Jorgensen and published by CRC Press. This book was released on 2012-12-13 with total page 3513 pages. Available in PDF, EPUB and Kindle. Book excerpt: Winner of an Outstanding Academic Title Award from CHOICE Magazine Encyclopedia of Environmental Management gives a comprehensive overview of environmental problems, their sources, their assessment, and their solutions. Through in-depth entries and a topical table of contents, readers will quickly find answers to questions about specific pollution and management issues. Edited by the esteemed Sven Erik Jørgensen and an advisory board of renowned specialists, this four-volume set shares insights from more than 500 contributors—all experts in their fields. The encyclopedia provides basic knowledge for an integrated and ecologically sound management system. Nearly 400 alphabetical entries cover everything from air, soil, and water pollution to agriculture, energy, global pollution, toxic substances, and general pollution problems. Using a topical table of contents, readers can also search for entries according to the type of problem and the methodology. This allows readers to see the overall picture at a glance and find answers to the core questions: What is the pollution problem, and what are its sources? What is the "big picture," or what background knowledge do we need? How can we diagnose the problem, both qualitatively and quantitatively, using monitoring and ecological models, indicators, and services? How can we solve the problem with environmental technology, ecotechnology, cleaner technology, and environmental legislation? How do we address the problem as part of an integrated management strategy? This accessible encyclopedia examines the entire spectrum of tools available for environmental management. An indispensable resource, it guides environmental managers to find the best possible solutions to the myriad pollution problems they face. Also Available Online This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact us to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367 / (email) [email protected] International: (Tel) +44 (0) 20 7017 6062 / (email) [email protected]
Download or read book A New Technology of Deep Placement of Slow Release Nitrogen Fertilizers for Promotion of Soybean Growth and Seed Yield written by Kaushal Tewari and published by Nova Biomedical Books. This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soybean seeds contain a large amount of protein (about 35%), and there is a significant correlation between the total amount of N accumulated in soybean plants and seed yield. Soybean utilises N from several sources, including mineralised soil organic matter, symbiotically fixed N, and N from fertiliser when applied. Soybean plants fix a large amount of N by root nodules symbiotically associated with soil bacteria called "rhizobia". However, sole N2 fixation is often insufficient to support the vigorous vegetative and reproductive growth of soybean plants. For the maximum yield of soybean, it is necessary to use both N2 fixation by root nodules and nitrogen absorption from roots. This book introduces the promotive effects of deep placement of slow release N fertilisers on growth, N2 fixation activity and seed yield of soybean cultivated in some rotated paddy fields of Niigata prefecture, Japan, including rotated paddy fields and upland fields.
Download or read book The Effect of Nitrogen Forms and Methods of Application Upon Yield and Several Yield Components of Soybeans Glycine Max L written by Mansoor Tasdighi and published by . This book was released on 1977 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
