Tài nguyên được gắn thẻ với: Agroforestry
197 đề mục được tìm thấy (Hiển thị 191 - 197) Trước
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Tài Nguyên Chính 19-01-1993 Agroforestry has come of age during the past fifteen years. During this period, activities and interest in agroforestry education and training have increased tremendously, as in other aspects of agroforestry development. Today, agroforestry is taught at the senior undergraduate and postgraduate...
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Tài Nguyên Chính 19-01-1988 Agroforestry in Dryland Africa is specifically designed to be used by agroforestry field workers in subhumid and semi-arid regions of the continent. This includes researchers working with grassroots organizations, community extension and development workers and development specialists in...
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19-01-1985 Florida has a great variety of native trees – more than any other state in the U.S. other than Hawaii. Over northern Florida, particularly in the western section, many of the trees that range widely and are well known over the Eastern U.S. find there are well known over the Easter U.S. find their...
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Abstract, Science Advances, 2019 March Old-growth tropical forests harbor an immense diversity of tree species but are rapidly being cleared, while secondary forests that regrow on abandoned agricultural lands increase in extent. We assess how tree species richness and composition recover during...
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Land-restoration challenges have been presented in the past, great solutions proposed, and targets set at local, regional, national and global levels, however, vast areas of agricultural land remain degraded on the African continent, often well beyond the global average of 20 percent. Sad but...
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Abstract, New Phytologist, 2018 Dec Forest ecosystem methane (CH4) research has focused on soils, but trees are also important sources and sinks in forest CH4 budgets. Living and dead trees transport and emit CH4 produced in soils; living trees and dead wood emit CH4 produced inside trees by...
- 15-07-2019 Agroforestry is the agricultural practice of combining the management of annual crops and/or animals with trees. Agroforestry systems, largely composed of perennial crops, offer the resilience needed to address extreme climatic issues such as drought and torrential rain, along with social and...