منابع برچسب گذاشته شده توسط: United States
50 items found (Showing 41 - 50) Previous
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1977/01/01 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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1998/01/01 This booklet included a brief history of crops commonly grown in the nineteenth century explain how they came to be grown in the United States and give more familiarity with each crop. Listed under each crop are some varieties that were grown regularly in nineteenth century gardens and that are...
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2009/01/20 This comprehensive treatise begins with chapters on the development, ecological foundations, and the status of agroforestry in the US. Separate chapters cover technical aspects of the five major agroforestry practices, namely windbreaks, silvopastures, alley cropping, riparian forest buffers, and...
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1982/01/01 Ground covers are the easiest, least expensive, and most beautiful way to fill alarge areas of your garden. They take less maintenance than any other type of planting, but can be beautiful and unusual. Learn to select and care for ground covers best suited to your areas.
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1956/01/01 This yearbook gives information about the cause, nature, and prevention of the common diseases of animals on American farms.
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1975/01/01 Each plant type (taxon) is discussed in a defined sequence and usually accompanied by a line drawing and identification characteristics related to leaf, bud, and stem. Certain plants are discussed under the heading "Related Species".
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1978/01/01 The objective of this book is to provide information about the life cycles and biology of many common parasites of domestic animals in the United States, and to aid veterinarians, biologist, students, and laboratory technicians in diagnosing them.1/1/1978
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1992/01/01 This publication includes the minimum stardards of the Cooperative State-Federal Brucellosis Eradication Program. This UM&R contains minimum standards for certifying herds, classifying States and areas, and detecting, controlling, and eradicating brucellosis, as well as minimum brucellosis...
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The Stokes Beginner's GUide to Birds is factually, visually, and organizationally superior to any other beginner's guide. Special features include: Coverage of 100 species, unique organization by birds' plumage colors, user-friendly color tab index for quick reference, brilliant full-color...
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The aim of this book is to give teachers, students, growers, dealers and consumers more information on the botany, culture, harvesting and handling of medicinal plants and their products. Since much of the professional and technical knowledge of medicinal plant exploitation is inaccessible, it is...