Tropical agriculture

Xem 1-20 trên 34 kết quả Tropical agriculture
  • Tham khảo sách 'tropical agroecosystems', khoa học tự nhiên, công nghệ môi trường phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1980 edition. Excerpt: ...( Dodson and Gentry, 1978; Gentry, 1978). More than 50 new species of higher plants have been described during the past few years from the Rio Palenque station (1.7 km2), one of the few remaining areas of tropical moist forest in western Ecuador. The study of this forest should be pushed on as vigorously as possible.

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  • John H. Vandermeer Ph.D., is a Margaret Davis Collegiate Professor in the Department of Ecology and Evolutionary Biology at the University of Michigan, Ann Arbor. His work has been in tropical agroecosystem ecology, tropical forest ecology, and theoretical ecology. He is the author of over 150 scientific articles and 9 books. Professor Vandermeer was born in 1940 in Chicago, Illinois. He received his BS in zoology from the University of Illinois, Champaign/Urbana, and his masters in zoology from the University of Kansas.

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  • Tham khảo sách 'committee on sustainable agriculture and the environment in the humid tropics', khoa học tự nhiên, công nghệ môi trường phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • CARD 033/VIE project seeks to review current experience and performance of some parts of tropical species in Vietnam, especially the Caribbean Pine, and to establish further testing improved genetic material, including hybrids. The project will also provide capacity building for forest research organizations related to Pinus trees to improve the system and mass communication through training in Queensland and Vietnam, protection and development of small-scale infrastructure, incubators, and a study tour to Australia, related to forest management and researchers...

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  • CARD 033/VIE project seeks to review current experience and performance of some parts of tropical species in Vietnam, especially the Caribbean Pine, and to establish further testing improved genetic material, including hybrids. The project will also provide capacity building for forest research organizations related to Pinus trees to improve the system and mass communication through training in Queensland and Vietnam, protection and development of small-scale infrastructure, incubators, and a study tour to Australia, related to forest management and researchers....

    pdf11p xau_la 10-02-2012 24 4   Download

  • This book is a critical account of tropical agricultural science in the twentieth century, with its successes as well as its fads and failures. Its coverage reaches back into the beginning of the twentieth century, but the second half of the century takes place of choice. Which means that the story is closely linked with that of post-colonial development and scrutinises the role agricultural science has played (or failed to play) in the advancement of the tropical smallholder, in particular in Africa....

    pdf621p tom_123 14-11-2012 26 3   Download

  • To enhance the local capacity for teaching, research and extension in agriculture and rural development, the QBII, AFFS, DPI proposes to focus its project on the key priority area of agriculture, and livestock improvement in Vietnam, and within these areas, to deliver activities in the disciplines of biotechnology and genetic improvement as highlighted as a priority area by the Government of Vietnam (GOV) in the Vietnam - Australia Development Cooperation Program, CARD Program Guidelines.

    pdf47p tam_xuan 02-03-2012 23 2   Download

  • Drawing on the collective expertise of world authorities, Ecological Basis of Agroforestry employs extensive use of tables and figures to demonstrate how ecologically sustainable agroecosystems can meet the challenges of enhancing crop productivity, soil fertility, and environmental sustainability. Divided into four sections, this comprehensive volume begins with a study of tree-crop interaction in tropical and temperate climates.

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  • Today, the world faces many problems. The most important problem is the population explosion. The population of 2.8 billion around 1945 doubled during the following 50 years, and it will approximately double again, reaching 10 billion during the next 50 years. This population increase will produce serious effects on worldwide food consumption and distribution; however, a sharp production increase in agricultural products cannot be expected.

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  • Forest Gardening (forest gardening) is considered a form of agriculture oldest in the world. [2] This began in prehistoric times by the river services in the forest in the foothills and humid in tropical monsoon. In the course of a family slowly improving their habitats, species and plant grapes helpful gradually been identified, and improved protection against unwanted species are discarded. Even exotic species were selected and cultivated in their gardens.

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  • The soils of the South American llanos and cerrado grasslands are predominantly old soils from which most of the plant nutrients have been lost. In many places there are layers of laterite (see the sidebar), which give them a red or yellow color. African savanna soils are much younger and more fertile. These shade into arid soils in the north and into wetter soils on high ground. On the southern side there are poor, exhausted, lateritic soils typical of tropical rain forest.

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  • The book contains fundamentals of solar radiation, its ecological impacts, applications, especially in agriculture, architecture, thermal and electric energy. Chapters are written by numerous experienced scientists in the field from various parts of the world. Apart from chapter one which is the introductory chapter of the book, that gives a general topic insight of the book, there are 24 more chapters that cover various fields of solar radiation.

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  • S. Robert Aiken was educated in the UK, Canada, and the United States. He is a cultural and historical geographer with a long-standing interest in tropical deforestation and environmental change in Southeast Asia, focusing mainly on Malaysia and Indonesia. He is presently working on indigenous land rights issues in Malaysia. Dr Aiken is coauthor (with C. H. Leigh) of Vanishing Rain Forests: The Ecological Transition in Malaysia (Oxford: Oxford University Press, 1992/1995) and author of Imperial Belvederes: The Hill Stations of Malaya (Kuala Lumpur: Oxford University Press, 1994).

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  • Since the 1940s the use of pesticides has grown steadily at about 11 percent a year, reaching five million T in 1995. Pesticides and fertilizers play a central role in agriculture and contribute to an enhanced food production worldwide. Agrochemical use, mainly in developed countries, is being reduced while organic (no synthetic chemicals) farming methods are being reinvented.

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  • Sewage sludge as an uncalled for product of wastewater treatment poses the challenge to society of disposing of it, but at the same time gives us the opportunity of beneficial use by closing the cycle of nutrients: sludge derived from agricultural activity must return to soil if a sustainable and ecologically sound management of these materials is desirable (SEQUI et al. 2000). At present the major ways of disposing of sewage sludges are deposition, landfill and incineration, only part of the sludges are used in agriculture. ...

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  • 4 How erosion effects agriculture In Chapter 2 a few examples have been given as to how erosion can be observed in the field. Sooner or later, all the changes observed have consequences for agriculture. To mention one example: small rills, unlike gullies, can still be ploughed by the farmer.

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  • C h Dang Duc Nhan 180 a p t e r 8 Distribution, fate, and impact of pesticides in the tropical marine environment of Vietnam Dang Duc Nhan P E S T I C I D E R E G U L AT I O N I N V I E T N A M History of pesticides and pesticide legislation The history of pesticide use in agriculture in Vietnam is short. Before 1950, malaria was a widespread disease among the Vietnamese people. At that time, French and native physicians trained the people to sleep under nets to protect against Anopheles mosquitoes, which are the...

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  • Australia is the largest country with 7.6 million km2, larger than Vietnam (320,000 km2), and only 5% total land area is 600 mm of rainfall is similar to some areas (600-700 mm) in Ninh Thuan, Binh Thuan and Lam Dong, where goats CARD project launched. Mt Glorious is a beautiful mountainous area near national forest park, and we go through full of tropical forests and large eucalyptus trees and plants that we have rich in Vietnam. Life is peaceful and Brisbane Brisbane people showed us great hospitality and kindheartedness....

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  • The project seeks to review existing experiences and made ​​some parts of tropical species in Vietnam, especially the Caribbean Pine, and set further testing of the genetic material is improved, including hybrids. The project will also provide capacity building for forestry research organization Vietnamese related Pinus tree improvement and mass propagation system through training in Queensland (Qld) and Vietnam, development protection of small and nursery infrastructure, and a study tour to Australia, Vietnam related to innovative forest management / research....

    pdf17p xau_la 10-02-2012 20 6   Download

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