A eficiencia de alguns cultivares de milho (Zea mays L.) na producao de graos

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ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (79 download)

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Book Synopsis A eficiencia de alguns cultivares de milho (Zea mays L.) na producao de graos by : G.P. Barriga Bezanilla

Download or read book A eficiencia de alguns cultivares de milho (Zea mays L.) na producao de graos written by G.P. Barriga Bezanilla and published by . This book was released on 1971 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neste trabalho estudaram-se cinco variedades nao melhoradas de milho, com caracteres bem contrastantes, os respectivos hibridos intervarietais com cruzamentos dialelicos, e cinco cultivares comerciais. O objetivo do estudo foi: avaliar o comportamento destas populacoes com relacao a eficiencia na producao de graos, bem como em relacao a alguns caracteres agronomicamente importantes; conhecer alguns aspectos da base genetica da eficiencia (atraves dos cruzamentos dialelicos); comparar o material comercial com o nao comercial, do ponto de vista da eficiencia; e investigar a possibilidade de se melhorar geneticamente a eficiencia das plantas, com base nas cinco variedades empregadas. A eficiencia (E) de cada populacao, foi medida pela producao estandardizada de graos por planta (W), da qual se substraiu um indice geral (I), formado pelos caracteres: materia seca, area foliar;, altura da planta, altura da espiga, numero total de folhas, porcentagem de folhas acima da espiga e numero de dias para o florescimento, devidamente ponderadas (Assim, E = W - I). Para este estudo tambem se empregaram indices individuais, obtidos dividindo-se a producao de graos pelos demais caracteres separadamente, para cada populacao. Estudou-se a heterose, a capacidade geral e especifica de combinacao, em relacao aos caracteres, os indices individuais e a eficiencia das variedades cruzadas em dialelico Os resultados obtidos, com relacao a eficiencia na producao de graos, revelaram presenca de heterose nos cruzamentos intervarietais, (...).

Dissertation abstracts

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ISBN 13 :
Total Pages : 796 pages
Book Rating : 4.:/5 ( download)

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Download or read book Dissertation abstracts written by and published by . This book was released on 1971 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Caracteristicas agronomicas de cultivares de milho (Zea mays L.) para a producao de milho verde

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ISBN 13 :
Total Pages : pages
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Book Synopsis Caracteristicas agronomicas de cultivares de milho (Zea mays L.) para a producao de milho verde by : G. Sander

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Caracterísicas agronômicas de cultivares de milho (Zea mays L.) para produção de milho verde

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ISBN 13 :
Total Pages : pages
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Book Synopsis Caracterísicas agronômicas de cultivares de milho (Zea mays L.) para produção de milho verde by : G. Sander

Download or read book Caracterísicas agronômicas de cultivares de milho (Zea mays L.) para produção de milho verde written by G. Sander and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Abstracts on Tropical Agriculture

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ISBN 13 :
Total Pages : 1054 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Abstracts on Tropical Agriculture written by and published by . This book was released on 1976 with total page 1054 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Host Bibliographic Record for Boundwith Item Barcode 30112100650693 and Others

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ISBN 13 :
Total Pages : 444 pages
Book Rating : 4.:/5 (31 download)

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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 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Agrindex

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ISBN 13 :
Total Pages : 694 pages
Book Rating : 4.E/5 ( download)

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Download or read book Agrindex written by and published by . This book was released on 1988 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Revista Ceres

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ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.:/5 (1 download)

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Download or read book Revista Ceres written by and published by . This book was released on 2011 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Agrotroṕica

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ISBN 13 :
Total Pages : 576 pages
Book Rating : 4.:/5 (89 download)

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Download or read book Agrotroṕica written by and published by . This book was released on 2003 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Brazilian journal of agricultural research

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ISBN 13 :
Total Pages : 614 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Brazilian journal of agricultural research written by and published by . This book was released on 1983 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fertilizing for High Yield and Quality

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ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.:/5 (891 download)

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Book Synopsis Fertilizing for High Yield and Quality by : Lindbergue Araújo Crisóstomo

Download or read book Fertilizing for High Yield and Quality written by Lindbergue Araújo Crisóstomo and published by . This book was released on 2007 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acerola; Banana; Cashew: dwarf variety; Citrus; Coconut: green dwarf variety; Guava; Mango; Papaya; Passion-fruit; Pineapple; Soursop.

Properties and Management of Soils in the Tropics

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Publisher : Cambridge University Press
ISBN 13 : 1107176050
Total Pages : 685 pages
Book Rating : 4.1/5 (71 download)

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Book Synopsis Properties and Management of Soils in the Tropics by : Pedro A. Sanchez

Download or read book Properties and Management of Soils in the Tropics written by Pedro A. Sanchez and published by Cambridge University Press. This book was released on 2019-01-10 with total page 685 pages. Available in PDF, EPUB and Kindle. Book excerpt: Long-awaited second edition of classic textbook, brought completely up to date, for courses on tropical soils, and reference for scientists and professionals.

Horticultura brasileira

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ISBN 13 :
Total Pages : 644 pages
Book Rating : 4.E/5 ( download)

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Download or read book Horticultura brasileira written by and published by . This book was released on 2007 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ciência e cultura

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ISBN 13 :
Total Pages : 710 pages
Book Rating : 4.3/5 (363 download)

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Download or read book Ciência e cultura written by and published by . This book was released on 1989 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Herbicides

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Publisher : BoD – Books on Demand
ISBN 13 : 9535111124
Total Pages : 666 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Herbicides by : Andrew Price

Download or read book Herbicides written by Andrew Price and published by BoD – Books on Demand. This book was released on 2013-06-12 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: Herbicide use is a common component of many weed management strategies in both agricultural and non-crop settings. However, herbicide use practices and recommendations are continuously updated and revised to provide control of ever-changing weed compositions and to preserve efficacy of current weed control options. Herbicides - Current Research and Case Studies in Use provides information about current trends in herbicide use and weed control in different land and aquatic settings as well as case studies in particular weed control situations.

Proximal Soil Sensing

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Publisher : Springer Science & Business Media
ISBN 13 : 9048188598
Total Pages : 440 pages
Book Rating : 4.0/5 (481 download)

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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.

Grains

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Publisher : CRC Press
ISBN 13 : 1000475255
Total Pages : 502 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Grains by : Fuji Jian

Download or read book Grains written by Fuji Jian and published by CRC Press. This book was released on 2021-12-23 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drying and storage are two significant unit operations in the food industry and are applied to both raw and processed products including cereal grains, oilseeds, legumes, flour, noodle, coffee, and cornstarch. The common characteristic of these materials is that all of them are hygroscopic and contain water. The hygroscopic properties are influenced by their physical properties, which are influenced by their storage environments such as bins, warehouses, bunkers, and temporary storage structures. This book focuses on the storage and drying of bulk products in these storage structures. On many occasions in our work with the grain storage and drying personnel especially our graduate students and industry contacts, we found a book explaining the fundamental principles of grain storage and drying is needed. Therefore, the primary objective of this book is to help readers understand the fundamental principles of grain storage and drying and develop a well-informed approach to solve grain storage and drying problems. Technologies for grain storage and drying are advanced through research; therefore, literature review and background on each topic has also been included. The book is generally intended for grain storage and drying students, engineers, and scientists. As reflected in the contents which are presented at several levels of depth, this book will serve well readers with different backgrounds and interests. An effort has been made to allow for independent reading of different sections, and to make a large part of this work accessible to a non-mathematical audience. The authors have combined their experience of teaching grain storage and drying to undergraduate and graduate students in the faculties of Agricultural and Food Sciences and Engineering. Material in the book is organized into broad topic areas: physical properties (Chapters 1 and 2), grain temperature and moisture (Chapters 2 and 6), water in biomaterials and relationship with its environment (Chapter 3), fundamental principles of aeration, drying, and rewetting (Chapter 4), and mathematical modelling of isotherm, drying, and re-wetting (Chapter 5). We hope our readers will benefit from the contents of the book for many decades.