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Author : C. F. Goepfert
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (78 download)
Download or read book Experimento de calibracao na cultura do milho (Zea mays) em solo Bela Vista written by C. F. Goepfert and published by . This book was released on 19?? with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1128 pages
Book Rating : 4.E/5 ( download)
Download or read book Agrindex written by and published by . This book was released on 1975 with total page 1128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Avaliação da disponibilidade de nitrogênio para o milho (Zea mays) em solo do Distrito Federal written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Com o objetivo de realizar o estudo de calibração do nitrogênio do solo, por meio de diferentes extratores químicos para o milho, foi instalado um experimento em um Latossolo Vermelho-Amarelo de textura argilosa, no ano agrícola 2004/2005, na Fazenda Água Limpa/UnB. O delineamento experimental utilizado foi o de blocos ao acaso, com seis tratamentos de N (0-70-140-210-280-350 kg ha-1). Foram coletadas amostras de solo, no total de 10 amostras por parcela, nas profundidades de 0-20 cm e 20-40 cm, as quais foram utilizadas no teste de calibração. Dentre os extratores químicos testados, os que apresentaram maior correlação com a produtividade do milho foram: H2O2/MnO2 (R2 = 0,821+); KCl 2M (R2 = 0,788+) e solução tampão pH = 11,2 + NO3- (R2 = 0,775+), sendo o método da solução tampão pH = 11,2 + NO3- o mais recomendado para análise de rotina, por ser um método rápido e simples. A produtividade do milho foi afetada positivamente pela adubação nitrogenada, com rendimentos crescentes até 210 kg N ha-1. A dose econômica de N, considerando a relação preço do N/preço do produto de 11/1 até 9/1, variou de 56 kg N ha-1 até 83 kg N ha-1, respectivamente.
Author : D. D. Serra
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.:/5 (79 download)
Download or read book Avaliação da disponibilidade de nitrogênio para o milho (Zea mays) em solo do Distrito Federal written by D. D. Serra and published by . This book was released on 2006 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ao contrário do que ocorre com outros macronutrientes primários, a análise de solo não fornece parâmetros seguros para prever as esposts à aplicação de nitrogênio. Com o objetivo de realizar o estudo de calibração do nitrogênio do solo, por meio de diferentes extratores químicos para o milho, foi instalado um experimento em um Latossolo Vermelho-Amarelo de textura argilosa, no ano agrícola de 2004/2005, na Fazenda Água Limpa/UnB. O delineamento experimental utilizado foi o de blocos ao acaso, com seis tratamentos de N (0-70-140-210-280-350 Kg ha-1). Foram coletadas amostras de solo nas profundidades de 0-20 cm e 20-40 cm, as quais foram utilizadas no teste de calibração. Dentre os extratores químicos testados, os que apresentam maior correlação com a produtividade do milho foram: h2O2/MnO2 (R2 = 0,821+); KC1 2M (R2 = 0,788+) e solução tampão pH = 11,2 + NO3- (R2 = 0,775+), sendo o método da solução tampão pH = 11,2+ NO3- o mais recomendao para análise de rotina, por ser um método rápido e simples. As menores correlaçãoes observadas foram para o NO3- + NH4+ trocável, estraído pelo KC1 1N (R = 0,718), indicando que quando analisado individualmente, não é o índice mais apropriado para fins de adubação nitrogênada. A produtividade do milho foi afetada positivamente pela dubação nitrogenada, com rendimentos crescentees até 210 kg N ha-1. A dose econômica de N, considerando a relação preço do N/perço do produto de 11/1 até 9/1, variou de 56 kg N ha-1, respectivamente.
Author :
Publisher :
ISBN 13 :
Total Pages : 804 pages
Book Rating : 4.:/5 (31 download)
Download or read book Host Bibliographic Record for Boundwith Item Barcode 30112100650693 and Others written by and published by . This book was released on 2013 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pedro Arezes
Publisher : CRC Press
ISBN 13 : 1138000477
Total Pages : 648 pages
Book Rating : 4.1/5 (38 download)
Download or read book Occupational Safety and Hygiene written by Pedro Arezes and published by CRC Press. This book was released on 2013-04-04 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: Occupational Safety and Hygiene presents selected papers from the International Symposium on Occupational Safety and Hygiene – SHO2013 (Guimarães, Portugal, 14-15 February 2013), which was organized by the Portuguese Society for Occupational Safety and Hygiene (SPOSHO). The contributions from 15 different countries focus on: - Occupational safety - Risk assessment - Safety management - Ergonomics - Management systems - Environmental ergonomics - Physical environments - Construction safety - Human factors The papers included in the book are mainly based on research carried out at universities and other research institutions, but they are also based on practical studies developed by Occupational Health & Safety (OHS) practitioners within their companies. As a result, this book will be useful to get acquainted with the state-of-the-art of the research within the aforementioned domains, as well as with some practical tools and approaches that are currently used by OHS professionals worldwide.
Author : Richard W. Merritt
Publisher : Kendall Hunt
ISBN 13 : 9780787232412
Total Pages : 894 pages
Book Rating : 4.2/5 (324 download)
Download or read book An Introduction to the Aquatic Insects of North America written by Richard W. Merritt and published by Kendall Hunt. This book was released on 1996 with total page 894 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mark Davies
Publisher : Routledge
ISBN 13 : 113411091X
Total Pages : 950 pages
Book Rating : 4.1/5 (341 download)
Download or read book A Frequency Dictionary of Portuguese written by Mark Davies and published by Routledge. This book was released on 2007-11-29 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt: An invaluable tool for learners of Portuguese, this Frequency Dictionary provides a list of the 5000 most commonly used words in the language. Based on a twenty-million-word collection of Portuguese (taken from both Portuguese and Brazilian sources), which includes both written and spoken material, this dictionary provides detailed information for each of the 5000 entries, including the English equivalent, a sample sentence, and an indication of register and dialect variation. Users can access the top 5000 words either through the main frequency listing or through an alphabetical index. Throughout the frequency listing there are also thrity thematically-organized ‘boxed’ lists of the top words from a variety of key topics such as sports, weather, clothing and relations. An engaging and highly useful resource, A Frequency Dictionary of Portuguese will enable students of all levels to get the most out of their study of Portuguese vocabulary. Former CD content is now available to access at www.routledge.com/9780415419970 as support material. Designed for use by corpus and computational linguists it provides the full text in a format that researchers can process and turn into suitable lists for their own research work.
Author : Michael Bitz
Publisher : Harvard Education Press
ISBN 13 : 1612500137
Total Pages : 254 pages
Book Rating : 4.6/5 (125 download)
Download or read book Manga High written by Michael Bitz and published by Harvard Education Press. This book was released on 2009-05-01 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a four-year study, Manga High explores the convergence of literacy, creativity, social development, and personal identity in one of New York City’s largest high schools. Since 2004, students at Martin Luther King, Jr., High School in Manhattan have been creating manga—Japanese comic books. They write the stories, design the characters, and publish their works in print and on the Internet. These students—African-American and Latino teenagers—are more than interested in the art and medium of manga. They have become completely engrossed in Japanese language, culture, and society. Manga High is highlighted by reproductions and content analysis of students’ original art and writing. An appendix includes guidelines for educators on starting a comic book club.
Author : Victor Turner
Publisher : Routledge
ISBN 13 : 1351474901
Total Pages : 234 pages
Book Rating : 4.3/5 (514 download)
Download or read book The Ritual Process written by Victor Turner and published by Routledge. This book was released on 2017-07-05 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: In The Ritual Process: Structure and Anti-Structure, Victor Turner examines rituals of the Ndembu in Zambia and develops his now-famous concept of "Communitas." He characterizes it as an absolute inter-human relation beyond any form of structure.The Ritual Process has acquired the status of a small classic since these lectures were first published in 1969. Turner demonstrates how the analysis of ritual behavior and symbolism may be used as a key to understanding social structure and processes. He extends Van Gennep's notion of the "liminal phase" of rites of passage to a more general level, and applies it to gain understanding of a wide range of social phenomena. Once thought to be the "vestigial" organs of social conservatism, rituals are now seen as arenas in which social change may emerge and be absorbed into social practice.As Roger Abrahams writes in his foreword to the revised edition: "Turner argued from specific field data. His special eloquence resided in his ability to lay open a sub-Saharan African system of belief and practice in terms that took the reader beyond the exotic features of the group among whom he carried out his fieldwork, translating his experience into the terms of contemporary Western perceptions. Reflecting Turner's range of intellectual interests, the book emerged as exceptional and eccentric in many ways: yet it achieved its place within the intellectual world because it so successfully synthesized continental theory with the practices of ethnographic reports."
Author : Garcia de Orta
Publisher :
ISBN 13 :
Total Pages : 544 pages
Book Rating : 4.F/5 ( download)
Download or read book Colloquies on the simples & drugs of India written by Garcia de Orta and published by . This book was released on 1913 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raveendra Kumar Rai
Publisher : Academic Press
ISBN 13 : 0128118563
Total Pages : 680 pages
Book Rating : 4.1/5 (281 download)
Download or read book Planning and Evaluation of Irrigation Projects written by Raveendra Kumar Rai and published by Academic Press. This book was released on 2017-04-06 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt: Planning and Evaluation of Irrigation Projects: Methods and Implementation presents the considerations, options and factors necessary for effective implementation of irrigation strategies, going further to provide methods for evaluating the efficiency of systems-in-place for remedial correction as needed. As the first book to take this lifecycle approach to agricultural irrigation, it includes real-world examples not only on natural resource availability concerns, but also on financial impacts and measurements. With 21 chapters divided into two sections, this book is a valuable resource for agricultural and hydrology engineers, conservation scientists and anyone seeking to implement and maintain irrigation systems. - Uses real-world examples to present practical insights - Incorporates both planning and evaluation for full-scope understanding and application - Illustrates both potential benefits and limitations of irrigation solutions - Provides potential means to increase crop productivity that can result in improved farm income
Author : LOUISE. EY
Publisher :
ISBN 13 : 9781033515112
Total Pages : 0 pages
Book Rating : 4.5/5 (151 download)
Download or read book PORTUGUESE CONVERSATION-GRAMMAR written by LOUISE. EY and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles Darwin
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.A/5 ( download)
Download or read book The Various Contrivances by which Orchids are Fertilised by Insects written by Charles Darwin and published by . This book was released on 1886 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pat Willmer
Publisher : Princeton University Press
ISBN 13 : 0691128618
Total Pages : 790 pages
Book Rating : 4.6/5 (911 download)
Download or read book Pollination and Floral Ecology written by Pat Willmer and published by Princeton University Press. This book was released on 2011-07-25 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pollination and Floral Ecology is a very comprehensive reference work to all aspects of pollination biology.
Author : Lawrence D. Harder
Publisher : Oxford University Press, USA
ISBN 13 : 0198570856
Total Pages : 399 pages
Book Rating : 4.1/5 (985 download)
Download or read book Ecology and Evolution of Flowers written by Lawrence D. Harder and published by Oxford University Press, USA. This book was released on 2006-11-30 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: Floral biology, floral function, sexual systems, diversification.
Author : Natalia Dudareva
Publisher : CRC Press
ISBN 13 : 1000611655
Total Pages : 275 pages
Book Rating : 4.0/5 (6 download)
Download or read book Biology of Floral Scent written by Natalia Dudareva and published by CRC Press. This book was released on 2006-03-27 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: As with nearly all living creatures, humans have always been attracted and intrigued by floral scents. Yet, while we have been manufacturing perfumes for at least 5000 years to serve a myriad of religious, sexual, and medicinal purposes, until very recently, the limitation of our olfactory faculty has greatly hindered our capacity to clearly and ob
