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Author : W. B. Scivittaro
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (79 download)
Download or read book Tratamento de sementes e uso de micronutrientes na adubação de arroz irrigado written by W. B. Scivittaro and published by . This book was released on 2008 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. L. Capeche
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (78 download)
Download or read book Efeito da adubacao com N,P,K e micronutrientes sobre a cultura do arroz irrigado em um solo de varzea no Estado do Rio de Janeiro written by C. L. Capeche and published by . This book was released on 1991 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: O intensivo manejo do solo utilizado na conducao das lavouras na Regiao da Baixada Litoranea do Estado do Rio de Janeiro, tem proporcionado reducao significativa na produtividade do arroz irrigado em algumas areas desta regiao, gerando a necessidade de conhecimentos urgentes por parte de pesquisadores, extensionistas e produtores rurais, sobre praticas adequadas de manejo e fertilizacao da cultura. Objetivando-se contribuir com subsidios para o estabelecimento de uma correta adubacao para a cultura do arroz irrigado na Baixada Litoranea, RJ, foram estudados os efeitos da presenca e ausencia de N,P,K e micronutrientes sobre o crescimento vegetativo, componentes da producao de graos e absorcao de N,P e K pela planta do arroz, em dois horizontes de um solo Gley pouco Humico, cultivado com arroz irrigado. A pesquisa foi conduzida em casa de vegetacao na UFRRJ, num delineamento inteiramente casualizado, em esquema fatorial 2 ao quadrado x 2 com 4 repeticoes. Foram utilizados amostras dos horizontes superficial e subsuperficial, semeando-se a cultivar PESAGRO-104.A adubacao constou de 80, 80, 40 e 40 kg/ha respectivamente de N,P 2 O 5, K 2 0 e fertilizante comercial contendo micronutrientes, na presenca de calagem nas dosagens de 4 e 6 t/ha para os horizontes superficial e subsuperficial, respectivamente. A inundacao do solo foi feita 30 dias apos o plantio, mantendo-se uma lamina d agua de 5 cm ate a colheita. O pH foi determinado diretamente nos potes 1, 4 e 47 dias apos a inundacao. Foram determinados altura da...
Author : W.B. Scivittaro
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (79 download)
Download or read book Estado nutricional do arroz irrigado da época de início de irrigação e do manejo da adubação nitrogenada written by W.B. Scivittaro and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: MANEJO DA ÁGUA COM VISTAS À OTIMIZAÇÃO DA NUTRIÇÃO DO ARROZ IRRIGADO. A adubação mineral visa prover, às plantas de arroz, nutrientes em quantidades suficientes para suprir o déficit estabelecido entre sua exigência nutricional e o suprimento do meio de cultivo. As quantidades requeridas variam, porém, em função da interação entre vários fatores: fertilidade do solo; sistema de implantação da cultura; condições climáticas; tipo de planta; características da cultivar e práticas culturais, em especial o manejo da água de irrigação. Com relação a este último fator, é reconhecida sua influência sobre a absorção de nutrientes pelo arroz irrigado. Variações no manejo da água, particularmente no período de irrigação, podem alterar a disponibilidade de nutrientes para o arroz e, conseqüentemente, requerer adequações nas recomendações de adubação. A Embrapa Clima Temperado durante vários anos realizou estudos para avaliar o efeito da época de início da irrigação definitiva e do manejo da adubação nitrogenada sobre o estado nutricional da cultura de arroz irrigado. Como resultado, foi proposto o processo agropecuário, descrito em documento anexo, mostrando que o atraso na entrada de água na lavoura de arroz em até três semanas após o início do perfilhamento favorece o estado nutricional da cultura, devido ao maior desenvolvimento radicular das plantas mantidas sob solo drenado por um período mais longo. Constitui-se, pois, em alternativa de manejo tecnicamente viável para a cultura de arroz irrigado.
Author : Ernest A. Kirkby
Publisher :
ISBN 13 : 9780853101796
Total Pages : 52 pages
Book Rating : 4.1/5 (17 download)
Download or read book Micronutrients in Plant Physiology written by Ernest A. Kirkby and published by . This book was released on 2004 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 444 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 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hans Christian Wien
Publisher : CABI
ISBN 13 : 1786393778
Total Pages : 511 pages
Book Rating : 4.7/5 (863 download)
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.
Author : Konrad Mengel (etc)
Publisher : Springer Science & Business Media
ISBN 13 : 9781402000089
Total Pages : 868 pages
Book Rating : 4.0/5 ( download)
Download or read book Principles of Plant Nutrition written by Konrad Mengel (etc) and published by Springer Science & Business Media. This book was released on 2001-07-31 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant nutrition; The soil as a plant nutrient medium; Nutrient uptake and assimilation; Plant water relationships; Plant growth and crop production; Fertilizer application; Nitrogen; Sulphur; Phosphorus; Potassium; Calcium; Magnesium; Iron; Manganese; Zinc; Copper; Molybdenum; Boron; Further elements of importance; Elements with more toxic effects.
Author : Raphael A. Viscarra Rossel
Publisher : Springer Science & Business Media
ISBN 13 : 9048188598
Total Pages : 440 pages
Book Rating : 4.0/5 (481 download)
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.
Author :
Publisher : Academic Press
ISBN 13 : 0123808693
Total Pages : 281 pages
Book Rating : 4.1/5 (238 download)
Download or read book Advances in Botanical Research written by and published by Academic Press. This book was released on 2010-11-08 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: Edited by Jean-Claude Kader and Michel Delseny and supported by an international Editorial Board, Advances in Botanical Research publishes in-depth and up-to-date reviews on a wide range of topics in plant sciences. Currently in its 50th volume, the series features a wide range of reviews by recognized experts on all aspects of plant genetics, biochemistry, cell biology, molecular biology, physiology and ecology. This eclectic volume features six reviews on cutting-edge topics of interest to postgraduates and researchers alike. - Multidisciplinary reviews written from a broad range of scientific perspectives - For over 40 years, series has enjoyed a reputation for excellence - Contributors internationally recognized authorities in their respective fields
Author : J. D. Rhoades
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251042816
Total Pages : 172 pages
Book Rating : 4.0/5 (428 download)
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.
Author : American Society of Civil Engineers. Technical Committee on Irrigation Water Requirements
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.3/5 (91 download)
Download or read book Consumptive Use of Water and Irrigation Water Requirements written by American Society of Civil Engineers. Technical Committee on Irrigation Water Requirements and published by . This book was released on 1973 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. Lal
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.3/5 (91 download)
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
Author : Rabindra N. Roy
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251050385
Total Pages : 104 pages
Book Rating : 4.0/5 (53 download)
Download or read book Assessment of Soil Nutrient Balance written by Rabindra N. Roy and published by Food & Agriculture Org.. This book was released on 2003 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nutrient-balance assessments are valuable tools for delineating the consequences of farming on soil fertility. Various approaches and methods for different situations have been used in the past. This bulletin presents a state-of-the-art review of nutrient balance studies. It brings out the evolution of the approaches and methods, provides for comparisons among them, features the improvements made, and highlights remaining issues. This analysis will be useful in further development of the assessment methodologies as reliable tools for devising time-scale soil fertility management interventions.
Author :
Publisher :
ISBN 13 :
Total Pages : 442 pages
Book Rating : 4.:/5 (6 download)
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:
Author : Donald M. Ball
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.:/5 (89 download)
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:
Author : N. Kokalis-Burelle
Publisher : American Phytopathological Society
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (89 download)
Download or read book Compendium of Peanut Diseases written by N. Kokalis-Burelle and published by American Phytopathological Society. This book was released on 1997 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Compendium of Peanut Diseases, Second Edition is a guide to the identification, diagnosis, and control of peanut diseases and disorders. Bringing together color photographs and authoritative information in a single volume, this convenient compendium is a valuable resource for peanut growers and crop consultants around the world.This compendium has become a standard guidebook for the peanut industry. The contributors are an international group that includes 50 peanut experts from the United States, India, The Peoples Republic of China, Malawi, Australia, Israel, and South Africa. They offer advice on diseases and disorders found in each of the world's major peanut-growing regions.Detailed descriptions of 55 peanut diseases are the core of the book. Covering diseases caused by fungi, bacteria, nematodes, and viruses, these descriptions present detailed information on symptoms, causal organisms, disease cycle, control, host range, transmission, detection, and epidemiology. In addition to diseases, the compendium also describes peanut disorders caused by environmental stress, insects and arthropods, and parasitic flowering plants. Other sections of the compendium cover beneficial organisms, organisms with an undetermined relationship to peanuts, disease management strategies, genetic modification, and a listing of disease and insect resistant cultivars currently available for use by growers and breeders.
Author : Andrew Hamilton Wright
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (31 download)
Download or read book Deep Plowing and Subsoiling written by Andrew Hamilton Wright and published by . This book was released on 1914 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
