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Author : A.C.C. Cordeiro
Publisher :
ISBN 13 :
Total Pages : 3 pages
Book Rating : 4.:/5 (79 download)
Download or read book Espacamento e densidade de semeadura para o arroz em varzeas de Roraima written by A.C.C. Cordeiro and published by . This book was released on 1984 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A.C.C. Cordeiro
Publisher :
ISBN 13 :
Total Pages : 2 pages
Book Rating : 4.:/5 (79 download)
Download or read book Densidade de semeadura a lanco para o arroz em varzeas de Roraima written by A.C.C. Cordeiro and published by . This book was released on 1983 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter A. Furley
Publisher : Taylor & Francis
ISBN 13 : 1040030254
Total Pages : 279 pages
Book Rating : 4.0/5 (4 download)
Download or read book The Forest Frontier written by Peter A. Furley and published by Taylor & Francis. This book was released on 2024-06-25 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally published in 1994, this book analysed land developments, deforestation and pasture substitution, colonisation schemes and spontaneous settlement during the latter part of the 20th Century. In so doing, The Forest Frontier presents an overview of the intrinsic environmental and socio-economic resources of the Roraima, the most northerly of the Brazilian Amazon states. Roraima is of special environmental interest because of its extensive savannas and varied forests – the home of some of the largest and most diverse groups of indigenous Indians. This critical assessment of the nature and pace of agricultural advance into Roraima examines the range of strategies which have been proposed to cope with the inevitable development. With the conflict between preserving the natural environment and development still major issues for Brazil, this book remains as relevant now as when it was first published.
Author : J. C. Heckler
Publisher :
ISBN 13 :
Total Pages : 2 pages
Book Rating : 4.:/5 (78 download)
Download or read book Estudo do espaçamento e densidade de semeadura em arroz de várzea no Estado de Mato Grosso do Sul written by J. C. Heckler and published by . This book was released on 1980 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R.D. de MEDEIROS
Publisher :
ISBN 13 :
Total Pages : 2 pages
Book Rating : 4.:/5 (79 download)
Download or read book Recomendações técnicas sobre época de platio e densidade de semeadura para o arroz irrigado em Roraima written by R.D. de MEDEIROS and published by . This book was released on 1999 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. O. L. de OLIVEIRA JÚNIOR
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (78 download)
Download or read book Adubação nitrogenada e densidade de semeadura em lavoura de arroz irrigado na região de savana de Roraima written by J. O. L. de OLIVEIRA JÚNIOR and published by . This book was released on 2003 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. A. F. Pereira
Publisher :
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.:/5 (78 download)
Download or read book Efeitos do espaçamento e da densidade de semeadura sobre os componentes da produção de três cultivares de arroz (Oryza sativa L.), em condições de várzea alta do Rio Guamá - Estado do Pará written by L. A. F. Pereira and published by . This book was released on 1984 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: O presente trabalho foi conduzido no Campo Experimental do Centro de Pesquisa Agropecuária do Trópico Úmi- do- CPATU/EMBRAPA, em Belém, Estado do Pará, no período de junho a outubro/1980, com o objetivo de se estudar os efeitos do espaçamento e da densidade de semeadura sobre diversos componentes da produção de três cultivares de arroz (Oryza sativa L.) em condições de solo de várzea alta do Rio Guamá. O delineamento experimental adotado foi um fatorial 3x3x3, distribuído em blocos casualizados com 27 trata mentos e 2 repetições. Os espaçamentos foram 0,30 m x 0,30 m, 0,30m x 0,15 m e 0,15 m x 0,15 rn, nas densidades de 2, 4 e 6 plantas/ cova, e as cultivares utilizadas foram: Apura, IAC-1246 e IAC- 25. Os tratamentos foram avaliados através dos seguintes parâmetros: altura de plantas, número total de colmos /cova, número de colmos férteis/cova, peso grãos/cova, peso de grãos/panícula, peso de 1.000 grãos, produção de grãos, rendimento no beneficiamento, relação grãos/palha e peso de matéria seca das plantas daninhas. As análises e interpretações dos resultados obtidos permitiram as seguintes conclusões: - A altura das plantas foi influenciada .pela densidade, atingindo maior desenvolvimento na menor densidade de semeadura. - A cultivar Apura apresentou maior número de colmos/cova e também maior número de colmos férteis/cova quando semeada nos menores espaçarnento e densidade." - Na menor densidade utilizada a cultivar Apura e IAC-1246 mostraram-se superiores a IAC-25, quanto ao peso de grãos/cova. - A cultivar IAC-1246 foi a que apresentou maior peso de grãos/panícula. - A produção de grãos, o rendimento no beneficiamento e o peso de 1.000 grãos das cultivares, não foram influenciados pelos espaçamentos e densidades testadas. - As cultivares Apura e IAC-1246 foram as que mostraram as maiores produções de grãos. - A relação grão/palha foi afetada pelo espaçamento e densidade, sendo que a cultivar IAC-1246 foi a que apresentou maior valor para esse parâmetro, seguido das cultivares Apura e IAC-25. - O desenvolvimento das ervas daninhas foi menor para semeaduras feitas na maior densidade utilizada e maior nas parcelas com a cultivar IAC-25.
Author : Abraham Guillen
Publisher : Routledge
ISBN 13 : 1136555242
Total Pages : 471 pages
Book Rating : 4.1/5 (365 download)
Download or read book Tapping the Green Market written by Abraham Guillen and published by Routledge. This book was released on 2012-08-21 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is a rapidly growing interest in, and demand for, non-timber forest products (NTFPs). They provide critical resources across the globe fulfilling nutritional, medicinal, financial and cultural needs. However, they have been largely overlooked in mainstream conservation and forestry politics. This volume explains the use and importance of certification and eco-labelling for guaranteeing best management practices of non-timber forest products in the field. Using extensive case studies and global profiles of non-timber forest products, this work not only seeks to further our comprehension of certification processes but also broaden understanding of non-timber forest product management, harvesting and marketing. It should be useful to forest managers, policy-makers and conservation organizations as well as for academics in these areas.
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 : José Cuatrecasas
Publisher :
ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.:/5 (31 download)
Download or read book Cacao and Its Allies written by José Cuatrecasas and published by . This book was released on 1964 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel C. Nepstad
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.F/5 ( download)
Download or read book Flames in the Rain Forest written by Daniel C. Nepstad and published by . This book was released on 1999 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: The problem of Amazonian fire. Forest flammability. Amazonia is burning. Future burning. Solutions to the Amazonian fire problem.
Author : Karl Polanyi
Publisher :
ISBN 13 :
Total Pages : 382 pages
Book Rating : 4.:/5 (76 download)
Download or read book Trade and Market in the Early Empires written by Karl Polanyi and published by . This book was released on 1965 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : Citlalli López Binnqüist
Publisher : CIFOR
ISBN 13 : 9793361360
Total Pages : 130 pages
Book Rating : 4.7/5 (933 download)
Download or read book Riches of the Forest written by Citlalli López Binnqüist and published by CIFOR. This book was released on 2004-01-01 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jack M. Potter
Publisher :
ISBN 13 :
Total Pages : 1038 pages
Book Rating : 4.3/5 (91 download)
Download or read book Peasant Society written by Jack M. Potter and published by . This book was released on 1967 with total page 1038 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Heinrich Walter
Publisher : Springer Science & Business Media
ISBN 13 : 1468404687
Total Pages : 295 pages
Book Rating : 4.4/5 (684 download)
Download or read book Vegetation of the Earth and Ecological Systems of the Geo-biosphere written by Heinrich Walter and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phytomass and Primary Production of the Various Vegetational Zones and of the Entire Biosphere The biosphere is that thin layer at the earth's surface in which living organisms exist and biological cycling takes place. It includes the upper horizons of the soil in which plants root, the atmosphere near the ground, (insofar as organisms penetrate this space), and all the surface waters. More than 99% of the earth's biomass is phytomass, to which we shall limit our discussion. Amounts of phytomass are distinctly related to vegeta tional zones. Because accurate determination of phytomass and primary production is difficult, only gross estimates have been available until recently. However, in 1970, Bazilevich et al. published (in Russian) more accurate calculations, based on the rapidly accumulating literature, for the various thermal zones and bioclimatic regions of the earth. These authors calculated mean phyto mass and mean annual primary production for the various regions as dry mass (in tons) per hectare. On the basis of measurements of the areas covered by the individual regions, excluding rivers, lakes, glaciers, and permanent snow, total phytomass and total annual primary production for the various regions were obtained (see table). The sum of these figures is the phytomass and annual production of the land surface of the earth. In addition, the table gives corresponding data for the waters of the earth. The values involved are potential i. e. , they are based on natural vegetation uninfluenced by man.
Author : S. Hastenrath
Publisher : Springer Science & Business Media
ISBN 13 : 9401131562
Total Pages : 507 pages
Book Rating : 4.4/5 (11 download)
Download or read book Climate Dynamics of the Tropics written by S. Hastenrath and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of my book "Climate and Circulation of the Tropics" was reasonably up to date to the middle of 1985. In a second printing in 1988 it was possible to complete a few literature references and to correct some misprints. However, vigorous research has taken place over the past five years in various areas of tropical climate dynamics, especially in the atmosphere-ocean mechanisms of climate anomalies, climate prediction, ocean circulation, and paleoclimates. Promising progress has also been made in the application of general circulation modelling to tropical climate problems. In the present second edition, named "Climate Dynamics of the Tropics", I have attempted to incorporate much of the recent work to late 1990. Chapters 8 and 9 have been essentially re-written, and major additions have been made to Chapters 4 and 12 in particular. I would like to acknowledge the continued support by the U.S. National Science Foundation over the past five years. B. Parthasarathy, Poona, and H. Lessmann, San Salvador, sent me updates of data series not easily accessible. I have benefitted from discussions with numerous colleagues in the United States and overseas. In the preparation of this second edition, Marilyn Wolff patiently transferred my illegible hand-written drafts onto word processor. Dierk Polzin and Dan Skemp assisted me with the creation of the page masters and the subject index and Christopher Collimore with the author index.
