| 书目名称 | Tropical Grazing Lands | | 副标题 | Communities and Cons | | 编辑 | Robert Orr Whyte | | 视频video | | | 图书封面 |  | | 描述 | 1.1 Objective and scope These chapters are not intended as a treatise on range management of tropical grazing lands, nor on the agronomy of sown pastures and cultivated fodder crops, aspects of applied science that are only one stage above scientific farming and use of land. An attempt is made to present the vegetation sciences, or botany and ecology in their widest aspects, as the essential background for their application in economic land use and plant and animal husbandry. The basic thesis is that science is global, but that its practical application is restricted to specific biological and socio economic habitats. The region covered is termed the intertropical zone. This comprises the equatorial latitudes, the tropics and subtropics. It is not only that part of the globe lying between latitudes 30° north and south of the Equator, as proposed by some writers (DAVIES, W., 1960; repeated by DAVIES & SKIDMORE, 1966). Rather is it those regions of the world in which, at the lower elevations, certain families and members of the Gramineae and Leguminosae grow wild or can be cultivated. It may be a matter for discussion whether these plants in their wild communities or sown or planted | | 出版日期 | Book 1974 | | 关键词 | Flora; Gramineae; Transpiration; evolution; nitrogen; systematics | | 版次 | 1 | | doi | https://doi.org/10.1007/978-94-010-2325-2 | | isbn_softcover | 978-90-6193-020-4 | | isbn_ebook | 978-94-010-2325-2 | | copyright | Dr. W. Junk b.v., Publishers, The Hague 1974 |
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发表于 2025-3-21 17:12:04
