Fatores De Acidez De Solos E Sua Influencia Na Necessidade De Calcario E No Desenvolvimento De Feijao E Milho

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Fatores de acidez de solos e sua influencia na necessidade de calcario e no desenvolvimento de feijao e milho

Author : L. R. M. de ANDRADE
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (78 download)

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Book Synopsis Fatores de acidez de solos e sua influencia na necessidade de calcario e no desenvolvimento de feijao e milho by : L. R. M. de ANDRADE

Download or read book Fatores de acidez de solos e sua influencia na necessidade de calcario e no desenvolvimento de feijao e milho written by L. R. M. de ANDRADE and published by . This book was released on 1988 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Determinacao dos fatores de acidez de 26 solos do Rio Grande do Sul e dois solos da regiao centro-oeste, e como estes influenciam o desenvolvimento de plantas de feijao e milho, cultivadas em condicoes controladas, e a necessidade de calcario, avaliada pelos metodos de SMP e saturacao de base. Sendo tambem avaliada a relacao entre o pH do solo, obtida com a aplicacao de quatro niveis de carbonato e a concentracao de Ca, Mg e Mn, na parte aerea, e Ca, Mg, Mn e Al, nas raizes das plantas. Os resultados demonstraram que os fatores de acidez, materia organicca (MO), H+Al, aluminio trocavel (Altroc) e aluminio extraido com oxalato (Alo), estao associados a necessidade de calcario dos solos.

Fatores de acidez e necessidade de calcário em solos do Rio Grande do Sul

Author : J. Kaminski
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (78 download)

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Book Synopsis Fatores de acidez e necessidade de calcário em solos do Rio Grande do Sul by : J. Kaminski

Download or read book Fatores de acidez e necessidade de calcário em solos do Rio Grande do Sul written by J. Kaminski and published by . This book was released on 1974 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Esta pesquisa desenvolveu-se com 34 solos do Rio Grande do Sul, no objetivo de estabelecer a contribuição dos diferentes fatores de acidez na determinação da quantidade de carbonato de cálcio necessária para controlar o pH dos solos, e comparar a indicação de corretivos, por três métodos diferentes, com a necessidade real dos solos determinada por incubação.

Acidez de sete latossolos da Planalto Sul-Riograndense e avaliacao de dois metodos para determinacao de suas necessidades de calcario

Download Acidez de sete latossolos da Planalto Sul-Riograndense e avaliacao de dois metodos para determinacao de suas necessidades de calcario PDF Online Free

Author : E. E. Scherer
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (78 download)

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Book Synopsis Acidez de sete latossolos da Planalto Sul-Riograndense e avaliacao de dois metodos para determinacao de suas necessidades de calcario by : E. E. Scherer

Download or read book Acidez de sete latossolos da Planalto Sul-Riograndense e avaliacao de dois metodos para determinacao de suas necessidades de calcario written by E. E. Scherer and published by . This book was released on 1976 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Efetuou-se com sete solos acidos do Planalto Riograndense, um experimento para avaliar a influencia dos principais fatores de acidez na recomendacao de corretivos para controlr do pH dos solos. Foram comparadas as indicacoes de calcario do metado SMP modificado e do metodo de YUAN modificado com a necessidade real de calcario dos solos, determinado por incubacao. Testou-se, tambem, a associacao de algumas variaveis do solo, por equacoes de regressao multipla, na indicacao de corretivos para controlar o pH dos solos. Estudos adicionados foram conduzidos para obsevar a influencia do processo de lavagem do sais, na determinacao da capacidade de troca de cation dos solos. Os niveis de carbonos de calcio foram: 0, 15, 30, 45, 60, 75, 90, 105, 130, e 160% da ... quantidade indicada para atingir pH 6,5, segundo o metodo SMP modificado, interpretativa da curva proposta po KAMINSKI. A incubacao dos solos com os tratamentos de carbonato de calcio alterou algumas propriedades quimicas dos solos. A aplicacao de doses crescentes de carbonatos de calcio diminui progressivamente os teores de aluminio, hidrogenio e manganes provaveis, reduziu a acidez total e aumentou a capacidade de troca de cations " efetiva" dos solos, principalmente naqueles com maior teor de materia organica. Verificou-se que a materia organica foi caracteristica do solo que melhor se correlacionou com a acidez pH dependente, e que esta e o principal fator de acidez dos solos, estando diretamente relacionado com a necessidade de corretivos para controle ...

Acidez e necessidade de calcario dos solos do Rio Grande do Sul

Author :
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (221 download)

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Book Synopsis Acidez e necessidade de calcario dos solos do Rio Grande do Sul by :

Download or read book Acidez e necessidade de calcario dos solos do Rio Grande do Sul written by and published by . This book was released on 1985 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Acidez de sete latossolos do planalto sul-riograndense e avaliacao de dois metros para determinacao de suas necessidades de calcario

Download Acidez de sete latossolos do planalto sul-riograndense e avaliacao de dois metros para determinacao de suas necessidades de calcario PDF Online Free

Author : E. E. Scherer
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (79 download)

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Book Synopsis Acidez de sete latossolos do planalto sul-riograndense e avaliacao de dois metros para determinacao de suas necessidades de calcario by : E. E. Scherer

Download or read book Acidez de sete latossolos do planalto sul-riograndense e avaliacao de dois metros para determinacao de suas necessidades de calcario written by E. E. Scherer and published by . This book was released on 1976 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Efetuou-se, com sete solos acidos do planalto Riograndense, um experimento para avaliar a influencia dos principais fatores de acidez na recomendacao de corretivos para controle do pH dos solos. Foram comparadas as indicacoes de calcario do metodo SMP modificado e do metodo de YUAN modificado cbm a necessidade real de calcario dos solos, determinada por incubacao. Testou-se, tambem, a associacao de algumas variaveis do solo, por equacoes de regressao multipla, na indicacao de corretivos para controlar o pH dos solos. Estudos adicionais foram conduzidos para observar a influencia do processo de lavagem do excesso de sais, na determinacao da capacidade de troca de cations dos solos.

Fertilizing for High Yield and Quality

Author : Lindbergue Araújo Crisóstomo
Publisher :
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.

Acta Scientiarum

Author :
Publisher :
ISBN 13 :
Total Pages : 568 pages
Book Rating : 4.A/5 ( download)

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Book Synopsis Acta Scientiarum by :

Download or read book Acta Scientiarum written by and published by . This book was released on 2003 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proximal Soil Sensing

Author : Raphael A. Viscarra Rossel
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.

Integrated Management and Biocontrol of Vegetable and Grain Crops Nematodes

Author : A. Ciancio
Publisher : Springer Science & Business Media
ISBN 13 : 1402060637
Total Pages : 364 pages
Book Rating : 4.4/5 (2 download)

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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.

Australian Journal of Agricultural Research

Author :
Publisher :
ISBN 13 :
Total Pages : 442 pages
Book Rating : 4.:/5 (6 download)

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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:

The Physiology of Vegetable Crops, 2nd Edition

Author : Hans Christian Wien
Publisher : CABI
ISBN 13 : 1786393778
Total Pages : 511 pages
Book Rating : 4.7/5 (863 download)

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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.

Southern Forages

Author : Donald M. Ball
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.:/5 (89 download)

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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:

Soil Management for Sustainability

Author : R. Lal
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Soil Management for Sustainability by : R. Lal

Download or read book Soil Management for Sustainability written by R. Lal and published by . This book was released on 1991 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book manuscripts presented originally at a World Association of Soil and Water Conservation conference held in 1989 are collected. Topics include basic processes (e.g. soil structure, soil erosion, soil compaction); management options (e.g. conservation tillage); policy issues and priorities

Restructuring Science Education

Author : Richard Alan Duschl
Publisher :
ISBN 13 : 9780807730065
Total Pages : 155 pages
Book Rating : 4.7/5 (3 download)

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Book Synopsis Restructuring Science Education by : Richard Alan Duschl

Download or read book Restructuring Science Education written by Richard Alan Duschl and published by . This book was released on 1990 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Soil Salinity Assessment

Author : J. D. Rhoades
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251042816
Total Pages : 172 pages
Book Rating : 4.0/5 (428 download)

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Book Synopsis Soil Salinity Assessment by : J. D. Rhoades

Download or read book Soil Salinity Assessment written by J. D. Rhoades and published by Food & Agriculture Org.. This book was released on 1999 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Determination of soil salinity from aqueous electrical conductivity; determination of soil salinity from soil-paste and bulk soil electrical conductivity; example uses of salinity assessment technology; operational and equipment costs associated with salinity instrumentation measurement techniques.

Chemistry and Our World

Author : Charles G. Gebelein
Publisher : McGraw-Hill Science, Engineering & Mathematics
ISBN 13 : 9780697165749
Total Pages : 0 pages
Book Rating : 4.1/5 (657 download)

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Book Synopsis Chemistry and Our World by : Charles G. Gebelein

Download or read book Chemistry and Our World written by Charles G. Gebelein and published by McGraw-Hill Science, Engineering & Mathematics. This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: [The book] strives to teach students that chemistry is relevant and interesting to us as individuals and to our understanding of the changing world around us. Chemistry can indeed be presented in a relevant fashion to those students for whom this may be their only science course. To that end, [the book] is sculpted to meet the needs of this specific group of students. The more matheamtical and theoretical aspects of chemistry are de-emphasized, and the more practical, or applied aspects are accentuated.-Pref.

The Palms of the Amazon

Author : Andrew Henderson
Publisher :
ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis The Palms of the Amazon by : Andrew Henderson

Download or read book The Palms of the Amazon written by Andrew Henderson and published by . This book was released on 1995 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: The palms are among the most abundant, diverse, and important families of plants found in the Amazon. Based on extensive field work, this book provides a systematic treatment of all palms that occur naturally in the Amazon region. Each species is exhaustively described with reviews of their distribution, habitat, and ecology. Introductory chapters describe the physical setting of the Amazon region as well as on the biogeography and ecology of the palm family. This first modern treatment of the 135 species of Amazon palms provides a definitive account of their ecology, uses, and biogeography. It will be welcomed by students, teachers, and researchers of botany, ecology, agronomy, and conservation biology.