ทรัพยากร ระบุป้าย: Reforestation
9 รายการที่พบ (กำลังแสดง 1 - 9)
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This Asia Technical Department Technical Note is a summary of the observations made between the commencement of the project in 1990 up until the mid-1992 Supervision Mission.
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It is possible to transform largely deforested landscapes into lush tropical forests, supporting rich biodiversity, in just a few years. Based on the work of Chiang Mai University's Forest Restoration Research Unit since 1994, "How to Plant a Forest" shows how the framework species method of...
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The destruction of healthy forest systems causes so many different problems. Trees provide a habitat for animals, purify water sources, control flooding and erosion and help to replenish the soil with nutrients needed for farming. When farmers can’t grow anything their farms fail and they have no...
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This report describes a little-known tree legume, Calliandra calothrysus. In 1936, foresters transported seed from Guatemala to Indonesia. They were interested in calliandra and other legumes as possible green manures or shade trees in coffee plantations. Today Javanese cultivate calliandra...
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This report discusses reforestation in which the seed is broadcast from a plane or helicopter. It relies mainly on experiences in Australia, New Zealand, Canada, and the United States. Our purpose here is to show administrators and foresters that this fast and often economical technique can be...
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Reforestation in Arid Lands is the third manual in a series of publication being prepared by the US Peace Corps and VITA, Volunteers in Technical Assistance. These publicaitons combine Peace Corps' practical field experience with VITA's technical expertise on subjects about which development...
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This book discusses the need for reforestry and the development of multi-purpose trees.
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Mangium is only one of a number of acacias from the humid Australasian tropics. Collectively they make up a group of little-known trees that have been largely untested in forest plantations. This study draws attention to nine of mangium's relatives because virtually nothing describing their...
- This Manual on Reforestation and Erosion Control for the Philippines, the first of its kind ever published, will serve as a guide and a valuable reference for foresters and for those engaged in reforestation and erosion control in the country. It is the product of the joint efforts and...