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Author: Wade H. Shafer Publisher: Springer Science & Business Media ISBN: 1468451979 Category : Science Languages : en Pages : 407
Book Description
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 1 957, 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 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 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 29 (thesis year 1984) a total of 12,637 theses titles from 23 Canadian and 202 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 29 reports theses submitted in 1984, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author: Wade H. Shafer Publisher: Springer Science & Business Media ISBN: 1468451979 Category : Science Languages : en Pages : 407
Book Description
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 1 957, 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 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 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 29 (thesis year 1984) a total of 12,637 theses titles from 23 Canadian and 202 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 29 reports theses submitted in 1984, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author: Andy Clark Publisher: DIANE Publishing ISBN: 1437903797 Category : Technology & Engineering Languages : en Pages : 248
Book Description
Cover crops slow erosion, improve soil, smother weeds, enhance nutrient and moisture availability, help control many pests and bring a host of other benefits to your farm. At the same time, they can reduce costs, increase profits and even create new sources of income. You¿ll reap dividends on your cover crop investments for years, since their benefits accumulate over the long term. This book will help you find which ones are right for you. Captures farmer and other research results from the past ten years. The authors verified the info. from the 2nd ed., added new results and updated farmer profiles and research data, and added 2 chap. Includes maps and charts, detailed narratives about individual cover crop species, and chap. about aspects of cover cropping.
Author: Deanna Boardman-Smith Publisher: ISBN: Category : Biomass energy Languages : en Pages : 124
Book Description
If producers employ corn (Zea mays L.) residue removal for ethanol production, soil and subsequent corn development characteristics could be affected. Little research has evaluated partial corn residue removal from baling followed by the use of a cover crop to mitigate potential changes to soil characteristics and corn development. Research is needed to determine the effects of corn residue removal and establish residue management recommendations for producers to prevent a decline in soil and corn productivity. This three year study evaluated the effects of Baled (60% residue removal) and Not Baled (0% residue removal) corn residue treatments in combination with None and Rye (Secale cereal L.) cover crop treatments on 14 soil characteristics and 25 corn development characteristics in a no-till, corn-soybean rotation. The Baled treatment reduced soil magnesium concentrations, increased soil water content at corn silking (R1) and accumulated more rye biomass than Not Baled treatments. The Rye treatment increased soil ammonium-N concentration, soil water content at R1, minimum and average soil temperature at corn emergence (VE). Early, median and late emerging corn plants of each residue and cover crop treatment were also tracked throughout the growing season to evaluate how emergence order affected 24 plant development characteristics. Significant differences occurred among Early, Median and Late emergence classes for days after planting to VE, days after planting to R1, length of vegetative development, length of lifecycle, stalk diameter, and corn residue cellulose content. Residue treatment only affected the plant height of emergence classes. Cover crop treatment only affected the length of lifecycle for emergence classes. The results of this study demonstrate that 60% corn residue removal is feasible in a no-till, corn-soybean rotation causing minimal affects to soil and corn development characteristics. A small amount of biomass was established with rye as a winter cover crop, providing few benefits to soil quality and corn development.
Author: Nand Kumar Fageria Publisher: CRC Press ISBN: 1439867372 Category : Science Languages : en Pages : 471
Book Description
The Role of Plant Roots in Crop Production presents the state of knowledge on environmental factors in root growth and development and their effect on the improvement of the yield of annual crops. This book addresses the role of roots in crop production and includes references to numerous annual crops. In addition, it brings together the issues and the state-of-the-art technologies that affect root growth, with comprehensive reviews to facilitate efficient, sustainable, economical, and environmentally responsible crop production. Written for plant scientists, crop scientists, horticulturalists, and soil scientists, plant physiologists, breeders, environmental scientists, agronomists, and undergraduate and graduate students in different disciplines of agricultural science, The Role of Plant Roots in Crop Production: Addresses root architecture and development dynamics to help users improve crop productivity Emphasizes crop production, plant nutrition, and soil chemistry relative to root growth and functions Covers root morphology, root functions, nutrient and water uptake by roots, root-soil interactions, root-environment interactions, root-microbe interactions, physiology of root crops, and management practices to improve root growth Supports content with experimental results, and additional data is presented with pictures Increasing food production worldwide has become a major issue in the 21st century. Stagnation in grain yield of important food crops in recent years in developed, as well as developing, countries has contributed to a sharp increase in food prices. Furthermore, higher grain yield will be needed in the future to feed a burgeoning world population with a rising standard of living that requires more grain per capita. Technologies that enhance productivity, ensure environmental safety, and conserve natural resources are required to meet this challenge.
Author: Publisher: ISBN: Category : Agriculture Languages : en Pages : 622
Book Description
Sept.-Oct. issue includes list of theses and dissertations for U.S. and Canadian graduate degrees granted in crop science, soil science, and agronomic science during the previous academic year.
Author: Pan Ming Huang Publisher: CRC Press ISBN: 1439803080 Category : Science Languages : en Pages : 821
Book Description
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
Author: Publisher: ISBN: Category : Agriculture Languages : en Pages : 976
Book Description
Includes abstracts of the annual meetings of the American Society of Agronomy; Soil Science Society of America; Crop Science Society of America ( - of its Agronomic Education Division).
Author: Wade H. Shafer
Author: Wade H. Shafer
Author: George Robert Klacan
Author: Andy Clark
Author: Deanna Boardman-Smith
Author: Dirk Tollenaar
Author: Nand Kumar Fageria
Author: 
Author: Pan Ming Huang
Author: 
Author: David Lee Howland