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Efeitos De Niveis E Epocas De Aplicacao De Nitrogenio Sobre Caracteristicas De Qualidade De Quatro Cultivares De Trigo Sul Rio Grandenses
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Book Synopsis Efeitos de niveis e épocas de aplicação de nitrogênio sobre características de qualidade de quatro cultivares de trigo Sul-Rio-Grandenses by : M. I. da SILVA
Download or read book Efeitos de niveis e épocas de aplicação de nitrogênio sobre características de qualidade de quatro cultivares de trigo Sul-Rio-Grandenses written by M. I. da SILVA and published by . This book was released on 1973 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Efeito de doses de nitrogênio e le lâminas de água sobre as características agronômicas e industriais em duas cultivares trigo (Triticum aestivum L.). by : J. Soares Sobrinho
Download or read book Efeito de doses de nitrogênio e le lâminas de água sobre as características agronômicas e industriais em duas cultivares trigo (Triticum aestivum L.). written by J. Soares Sobrinho and published by . This book was released on 1999 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Com o objetivo de avaliar os efeitos de diferentes quantidades de nitrogenio e agua sobre o comportamento agronomico e industrial de trigo, utilizaram-se quatro doses de nitrogenio (0, 40, 80 e 120 kg/ha), duas cultivares de trigo (BR 18-terena, de qualidade superior e a BR 36-Ianomai, de qualidade intermediaria) e tres laminas d'agua (276, 361 e 458 mm). O nitrogenio, na forma de ureia, foi aplicado 1/3 na semeadura e o restante no perfilhamento. O manejo da irrigacao baseou-se na evaporacao do tanque classe A, determinando-a a cada 30 mm de lamina evaporada. O delineamento foi o de blocos ao acaso em parcelas subdivididas, em quatro repeticoes, sendo as doses colocadas na parcela, as cultivares na subparcela e as laminas na subparcela. A semeadura foi realizada em 15 de junho de 1996, em subparcelas de 15 linhas de 5,0 m de comprimento, espacadas de 0,20 m entre si. As quantidade de agua foram aplicadas atraves do sistema "line source" que produz uma irrigacao diferencial decrscente do centro para as extremidades. As caracteristicas foram divididas em dois grupos: 1-as de natureza agronomica (altura da planta, comprimento da espiga, massa de mil graos, numero de espiguetas ferteis por espiga, numero de espigas por m2, numero de graos por espiga, numero de graos por m2 e rendimento de graos; 2;as de natureza indutsrial (peso do hectolitro, capacidade de extracao de farinha, teor de proteina no graos, microssedimentacao, alveografia e numero de queda. Dentre os componentes do rendimento de graos, o numero de espiguetas por espiga, o numero de graos por espiga, o numero de espigas por m2 e o numero de graos por m2, foram os mais sensiveis as quantidades de agua e de nitrogenio fornecidas. O rendimento de graos foi mais dependente da quantidade de agua do que da quantidade de nitrogenio, e as respostas variaram com as cultivares utilizadas. A cultivar BR 36-Ianomami respondeu com aumento de 55,09 kg de graos a cada 20 kg/ha de N aplicados, quando a lamina d'agua passou de 276 para 361 mm e de 63,31 kg de graos/20 kg de N, quando a lamina passou de 361 para 458mm. A cultivar BR 18-Terena apresentou melhor comportamento, com aumento medio de 67,2 kg de graos para cada 20 kg/ha de N, quando a quantidade de agua passou de 276 e de 76,7 kg/ha de graos/20 kg/ha de N, quando a quantidade de agua variou de 361 a 458. As carateristicas fisico-quimicas e reologicas mais influenciadas positivamente pela adubacao nitrogenada foram o teor proteico e a forca de gluten. A variacao na quantidade de agua exerceu influencia nas caracteristicas determinantes da qualidade industrial, com excecao entre tenacidade e extensibilidade (P/L), indicando, portanto, ser a agua mais importante do que o nitrogenio na producao de materia-prima para panificacao. As menores quantidades de agua alteraram as carecteristicas avalidas no sentido da melhoria da qualidade de panificacao. Apesar das alteracoes verificadas nos valores determinantes das caracteristcas fisico-quimicas e reologicas, com a variacao na quantidade de agua fornecida, elas nao foram suficientes para alterar a classificacao comercial das cultivares utilizadas, indicando ser possivel explorar ao maximo o rendimento de graos, sem prejuizo da qualidade de panificacao. Desta forma, o uso de 120 kg/ha de N e 458 mm de agua promoveram os maiores rendimentos de graos, sem prejuizo da classificacao comercial das cultivares utilizadas.
Book Synopsis Host Bibliographic Record for Boundwith Item Barcode 30112100650693 and Others by :
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 1538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Efeito da epoca de aplicacao do nitrogenio na producao, teor de oleo e na qualidade proteica de cultivares de milho (Zea mays L.) normal e QPM. by : H. N. dos S. PASCHOALICK
Download or read book Efeito da epoca de aplicacao do nitrogenio na producao, teor de oleo e na qualidade proteica de cultivares de milho (Zea mays L.) normal e QPM. written by H. N. dos S. PASCHOALICK and published by . This book was released on 1998 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: O milho normal, alem de alimento energetico, e uma fonte barata de proteinas, porem, de baixo valor biologico por serem deficientes em lisina e triptofano, aminoacidos essenciais ao homem e animais monogastricos. O melhoramento genetico incorporou o gene opaco-2, com caracter de alta qualidade proteica, a cultivares agronomicamente superiores, e associado aos genes modificadores de endosperma, possibilitou sua exploracao agricola e industrial. A introducao do gene opaco-2, que originou as cultivares \tQPM, alterou a qualidade da proteina reduzindo a fracao prolamina (zeina) e aumentando as fracoes albumina, globulina e glutelina (nao zeinas) de maior valor biologico. Uma fonte de variacao importante na producao e na qualidade de proteina e a adubacao nitrogenada, por ser o nitrogenio constituinte essencial dos aminoacidos e fundamental na sintese proteica regulando a qualidade biologica da proteina por meio dos teores das fracoes zeinas e nao-zeinas. A producao de graos e a qualidade proteica tem sido relacionadas com a disponibilidade de nitrogenio e seus efeitos sobre os componentes de rendimento. Como estes componentes formam-se em diferentes estadios de planta, podem ser afetados quando o nitrogenio e fornecido em diferentes epocas de estacao de crescimento-desenvolvimento. O experimento foi conduzido na FCAVJ-UNESP em 1996/97, com objetivo de avaliar a interdependencia entre cultivares e adubacao nitrogenada em diferentes doses e epocas de parcelamento, em relacao a producao de graos e qualidade energetico-proteica. Foram avaliadas duas cultivares QPM e tres normais submetidas a seis arranjos de epocas da adubacao nitrogenada fracionada em duas e tres vezes, e uma testemunha sem nitrogenio. O delineamento foi em blocos ao acaso, disposto num esquema fatorial, com quatro repeticoes. Todas as parcelas, exceto a testemunha, receberam N na semeadura, 20 ou 40 kg/ha; e adubacao em cobertura na 6 e/ou 12 folhas, totalizando 100 kg/ha de N. Foram determinados rendimento de graos, espessura do colmo; acamamento + quebramento de plantas, altura da espiga; largura e comprimento do grao; numero de fileiras de graos; diametro da espiga e do sabugo; massa de mil graos; indice de colheita; densidade do grao; teores de oleo, proteina, triptofano e lisina no grao, teores de triptofano e lisina na proteina; e, producoes de oleo, proteina, triptofano e lisina por area. A adubacao nitrogenada influenciou o rendimento de graos, espessura do colmo, altura de espigas e producoes de proteina, oleo, triptofano e lisina por area. Nao houve influencia dos arranjos de doses e epocas de adubacao nitrogenada sobre as caracteristicas avaliadas. O parcelamento da adubacao nitrogenada em duas e/ou tres vezes nao mostrou diferenca significativas para nenhuma caracteristica. As cultivares normais foram superiores no rendimento de graos (10%), teor de proteina nos graos (3%); massa de mil graos (5%); e producao de proteina por area (13%). As cultivares QPM foram superiores na densidade do grao (0,24%); teores de oleo (32%), triptofano (50%) e lisina (39%) no grao; teores de triptofano (52%) e lisina (46%) na proteina; producoes de triptofano (32%), lisian (27%) e oleo (19%) por area.
Book Synopsis Efeitos de doses de calcário e nitrogênio nas características agronômicas e qualidade industrial de cultivares de trigo. (Triticum aestivum L.). by : F. A. Langer
Download or read book Efeitos de doses de calcário e nitrogênio nas características agronômicas e qualidade industrial de cultivares de trigo. (Triticum aestivum L.). written by F. A. Langer and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: De experimento realizado na Estação Experimental de Passo Fundo em 1973, envolvendo 5 cultivares (C) de trigo, 5 doses de nitrogênio (N) e 2 de calcário (Ca), utilizou-se dados e grãos produzidos para estudar 13 características agronômicas e de qualidade. Observou-se grande diversidade genética nas cultivares para todas as características. Foram significativas as interações: C x N x Ca para rendimento de grãos e peso do hectolitro; C x N para índice de Pelshenke e C x Ca para peso do grão, índice de dureza, rendimento de farinha, índice de Pelshenke e tempo de mistura da massa. Houve efeito simples positivo de N sobre peso do grão e teor de proteína e negativo sobre índice de equilíbrio (P/G) e tempo de mistura da massa. Não houve efeito simples significativo de calcário. No estudo de correlação observou-se que: peso do grão esteve associado com peso do hectolitro e índice de dureza; índice de Pelshenke e força do glúten (W) estiveram associados a tempo de mistura da massa e à capacidade de panificação; a maior teor de proteína correspondeu menor tempo de mistura da massa.
Book Synopsis Efeito de doses e epocas de aplicacao de nitrogenio para duas cultivares de trigo (Triticum aestivum L.) IAC-5 e Nambu by : E.F. de OLIVEIRA
Download or read book Efeito de doses e epocas de aplicacao de nitrogenio para duas cultivares de trigo (Triticum aestivum L.) IAC-5 e Nambu written by E.F. de OLIVEIRA and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Efeitos de niveis de nitrogenio e densidades de plantas sobre o rendimento de graos e outras caracteristicas agronomicas de duas cultivares de milho (Zea mays L.). by : J.B. Medeiros
Download or read book Efeitos de niveis de nitrogenio e densidades de plantas sobre o rendimento de graos e outras caracteristicas agronomicas de duas cultivares de milho (Zea mays L.). written by J.B. Medeiros and published by . This book was released on 1974 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Com a presente pesquisa, procurou-se observar os efeitos de quatro niveis de nitrogenio e quatro densidades de plantas no rendimento de graos e caracteristicas morfologicas de duas cultivares de milho. O ensaio foi estabelecido na Estacao Experimental Agronomico da UFRGS, em solo da unidade de mapeamento Arroio dos Ratos, no ano agricola de 1973/74. Utilizou-se a cultivar precoce DK 3S-40 e a tardia Agroceres-28 nas densidades de 35.000, 50.000, 65.000 e 80.000 plantas/ha e nos niveis de 20, 90 100 e 230 kg/ha de nitrogenio. Os resultados evidenciaram que a cultivar precoce produziu maior rendimento de graos que a tardia, na media dos tratamentos. Ambas as cultivares responderam, em aumento de producao de graos, ate o mais alto nivel de nitrogenio aplicado. Entretanto, na media dos niveis de nitrogenio, a cultivar precoce obteve o maximo rendimento de graos com 63.000 plantas/ha e a tardia com 35.000 plantas/ha. Para cada cultivar, a densidade otima variou conforme os niveis de nitrogenio. A precoce alcancou o maior rendimento de graos com o mais elevado nivel deste nutriente e densidade de 65.000 plantas/ha, sem se diferenciar estatisticamente da populacao de 80.000 plantas/ha. A maxima producao de graos da cultivar tardia ocorreu no maior nivel de nitrogenio e populacao de 35.000 plantas/ha. As duas cultivares aumentaram significativamente os componentes de rendimento de graos, peso medio de graos por espiga e numero de espigas por plantas, ate os niveis de 160 e 90 kg/ha de nitrogenio, respectivamente, (...).
Author :Raphael A. Viscarra Rossel Publisher :Springer Science & Business Media ISBN 13 :9048188598 Total Pages :440 pages Book Rating :4.0/5 (481 download)
Book Synopsis Proximal Soil Sensing by : Raphael A. Viscarra Rossel
Download or read book Proximal Soil Sensing written by Raphael A. Viscarra Rossel and published by Springer Science & Business Media. This book was released on 2010-07-25 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports on developments in Proximal Soil Sensing (PSS) and high resolution digital soil mapping. PSS has become a multidisciplinary area of study that aims to develop field-based techniques for collecting information on the soil from close by, or within, the soil. Amongst others, PSS involves the use of optical, geophysical, electrochemical, mathematical and statistical methods. This volume, suitable for undergraduate course material and postgraduate research, brings together ideas and examples from those developing and using proximal sensors and high resolution digital soil maps for applications such as precision agriculture, soil contamination, archaeology, peri-urban design and high land-value applications, where there is a particular need for high spatial resolution information. The book in particular covers soil sensor sampling, proximal soil sensor development and use, sensor calibrations, prediction methods for large data sets, applications of proximal soil sensing, and high-resolution digital soil mapping. Key themes: soil sensor sampling – soil sensor calibrations – spatial prediction methods – reflectance spectroscopy – electromagnetic induction and electrical resistivity – radar and gamma radiometrics – multi-sensor platforms – high resolution digital soil mapping - applications Raphael A. Viscarra Rossel is a scientist at the Commonwealth Scientific and Industrial Research Organisation (CSIRO) of Australia. Alex McBratney is Pro-Dean and Professor of Soil Science in the Faculty of Agriculture Food & Natural Resources at the University of Sydney in Australia. Budiman Minasny is a Senior Research Fellow in the Faculty of Agriculture Food & Natural Resources at the University of Sydney in Australia.
Book Synopsis Cruciferous Vegetables, Isothiocyanates and Indoles by : International Agency for Research on Cancer
Download or read book Cruciferous Vegetables, Isothiocyanates and Indoles written by International Agency for Research on Cancer and published by IARC. This book was released on 2004 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication sets outs the findings of an IARC Working Group, held in Lyon, France in November 2003, which considered the benefits of a diet rich in cruciferous vegetables in helping to reduce the risk of various cancers. Cruciferous vegetables, such as broccoli, cabbage, cauliflower, watercress and brussel sprouts, contain substantial amounts of compounds which have been shown to inhibit the growth of cancers. This publication reviews current knowledge on the topic, including data from human, experimental and mechanistic studies, as well as making recommendations for future research and public health policy options.
Book Synopsis Presidents and Terminal Logic Behavior by : Genevieve M. Kehoe
Download or read book Presidents and Terminal Logic Behavior written by Genevieve M. Kehoe and published by Texas A&M University Press. This book was released on 2014-05-06 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presidents of nations with constitutionally imposed term limits are often viewed as growing weaker as they approach the end of their time in office. However, in this important new study, political scientist Genevieve M. Kehoe argues that because such chief executives are free from reelection constraint and often still enthusiastic to create a legacy by pursuing bold projects, they may accomplish significant initiatives. Kehoe has developed a concept for this which she calls “Terminal Logic Behavior” (TLB). Presidents and Terminal Logic Behavior: Term Limits and Executive Action in the United States, Brazil, and Argentina provides both case studies and quantitative evidence to show how US presidents of the last three decades have utilized decrees on foreign, domestic, and environment policy during their final months in office. She finds a systematic pattern of decree use consistent with the mark of TLB in a most unexpected place—presidents’ use of national emergency powers. In a careful comparative analysis, she also finds support for her argument in the Argentinean and Brazilian experience of the same period.
Book Synopsis Australian Journal of Agricultural Research by :
Download or read book Australian Journal of Agricultural Research written by and published by . This book was released on 2000 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Physiology of Vegetable Crops, 2nd Edition by : Hans Christian Wien
Download or read book The Physiology of Vegetable Crops, 2nd Edition written by Hans Christian Wien and published by CABI. This book was released on 2020-05-01 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: Completely updated and revised, this bestselling book continues to explain the growth and developmental processes involved in the formation of vegetables. Since the publication of the successful first edition significant discoveries, particularly in the area of molecular biology, have deepened and broadened our knowledge and understanding of these processes. This new edition brings the topic up-to-date and is presented over two sections: the first provides general knowledge on germination, transplanting, flowering, the effects of stress and modelling, whilst the second section details the physiology of specific crops or crop groups.
Book Synopsis Integrated Management and Biocontrol of Vegetable and Grain Crops Nematodes by : A. Ciancio
Download or read book Integrated Management and Biocontrol of Vegetable and Grain Crops Nematodes written by A. Ciancio and published by Springer Science & Business Media. This book was released on 2007-12-08 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second volume of the IMPD series describes aspects related to the most important phytoparasitic nematodes, considering the integration of biological control methods with other management practices and technologies, including the use of predatory nematodes and microbial rhizosphere antagonists. A focus is given on regional issues. A review on nematode management in cotton is integrated by a chapter on management of nematodes on wheat. New technologies are also revised.
Book Synopsis Wild Germplasm for Genetic Improvement in Crop Plants by : Muhammad Tehseen Azhar
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Book Synopsis Grazing Management by : John Hodgson
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Book Synopsis Southern Forages by : Donald M. Ball
Download or read book Southern Forages written by Donald M. Ball and published by . This book was released on 1996 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Analysis of Active Compounds in Functional Foods by : Leo M.L. Nollet
Download or read book Handbook of Analysis of Active Compounds in Functional Foods written by Leo M.L. Nollet and published by CRC Press. This book was released on 2012-01-18 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functional foods offer specific benefits that enhance life and promote longevity, and the active compounds responsible for these favorable effects can be analyzed through a range of techniques. Handbook of Analysis of Active Compounds in Functional Foods presents a full overview of the analytical tools available for the analysis of active ingredien
