Search Results: 'Department of Agriculture'

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77 results for "Department of Agriculture"
Ponds — Planning, Design, Construction (Agriculture Handbook 590) By United States Department of Agriculture
Paperback: $18.94
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For many years farmers and ranchers have been building ponds for livestock water and for irrigation. By 1980 more than 2.1 million ponds had been built in the United States by land users on privately... More > owned land. More will be needed in the future. The demand for water has increased tremendously in recent years, and ponds are one of the most reliable and economical sources of water. Ponds are now serving a variety of purposes, including water for livestock and for irrigation, fish production, field and orchard spraying, fire protection, energy conservation, wildlife habitat, recreation, erosion control, and landscape improvement. This handbook describes embankment and excavated ponds and outlines the requirements for building each. The information comes from the field experience and observation of land users, engineers, conservationists, and other specialists.< Less
Raising Native Plants in Nurseries: Basic Concepts By United States Department of Agriculture
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This booklet was written for the novice who wants to grow native plants and may also wonder what is involved in starting a nursery. If you think that operating your own native plant nursery as a... More > business is your calling, then this manual, and particularly this first chapter, can help you move forward. If, however, you plan to grow native plants for fun, perhaps for use around your home or as a science fair project, this manual can still give you the basic information required for you to be successful, and all the concepts provided in this chapter are still applicable.< Less
North American Species of Cactus By U. S. Department of Agriculture
eBook (PDF): $2.00
In the fall of 1890 Dr. George Vasey, then Botanist of the Department of Agriculture, arranged with me to prepare a revision of North American Cactaceae. Owing to the peculiar difficulty... More > of preserving material the family was poorly represented, even in our leading herbaria. To secure a large amount of additional material in the way of specimens and field notes the Department authorized me to visit the region of the Mexican boundary during the summer of 1891. Preliminary to this exploration it was necessary to examine the Engelmann collection of Cactaceae, in the possession of the Missouri Botanical Garden. This collection, supplemented by the continual additions made at the garden, is by far the largest collection of skeletons and living specimens in this country, and also contains the large majority of our types.< Less
North American Species of Cactus By U. S. Department of Agriculture
Paperback: $7.95
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In the fall of 1890 Dr. George Vasey, then Botanist of the Department of Agriculture, arranged with me to prepare a revision of North American Cactaceae. Owing to the peculiar difficulty... More > of preserving material the family was poorly represented, even in our leading herbaria. To secure a large amount of additional material in the way of specimens and field notes the Department authorized me to visit the region of the Mexican boundary during the summer of 1891. Preliminary to this exploration it was necessary to examine the Engelmann collection of Cactaceae, in the possession of the Missouri Botanical Garden. This collection, supplemented by the continual additions made at the garden, is by far the largest collection of skeletons and living specimens in this country, and also contains the large majority of our types.< Less
Tomato Diseases By United States Department of Agriculture
eBook (ePub): $8.99
Tomato Diseases And Their Control by S.P. Doolittle, A.L. Taylor, L.L. Danielson. USDA Agricultural Handbook CONTENTS Types of diseases Diseases caused by bacteria and fungi
Engineering Properties of Douglas-fir Lumber Reclaimed from Deconstructed Buildings By Department of Agriculture United States
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A vast wood resource exists in our Nation’s wood-framed building infrastructure. As the buildings in this infrastructure age and are remodeled or removed for redevelopment, the wood framing... More > residing in these buildings has the potential to be recovered for reuse. However, little technical information exists on the residual engineering properties of reclaimed dimensional lumber. Our study was undertaken to quantify the engineering strength and stiffness of dimensional Douglas-fir 2-by lumber recovered from building dismantlement or deconstruction. These data can serve as a basis for establishing formal recognition of this resource in current grading rules and engineering design standards< Less
Crosscut Saw Manual By United States Department of Agriculture
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Many readers undoubtedly have run crosscut saws in the past, and a lot of you know the difference between a good running saw and a poorly filed one. A poorly filed saw deserves the name I have often... More > heard attributed to it… “misery whip.” A well-filed saw, however, is efficient and can be satisfying to use. Only in recent years was a chain saw developed that could beat a topnotch bucker in a contest. There is a record of a 32-inch Douglas-fir log cut in 1 minute 262⁄5 seconds by one bucker. Saw filers of any quality are becoming very difficult—if not impossible—to find. This manual was written so those of you who use crosscut saws can maintain them yourselves and overcome some of the misery of that ol’ whip. The manual provides a basic description of how and why a crosscut saw works, tips on building a saw vise, and some experience-tested methods as a guide for achieving a wellrunning saw. Only saws having raker teeth are discussed, because they are by far the most common saws found today.< Less
Christmas Tree Pest Manual - Third Edition (Color Edition) By Department of Agriculture United States
Paperback: $62.96
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This manual was designed to help you identify and control damaging pests of Christmas trees in the North Central and Northeastern regions of the United States. Most of the information provided also... More > applies to the States and Canadian Provinces that border these regions. You do not have to be a pest specialist to use this information. The manual was written in everyday language so that anyone with an interest in Christmas trees can read and understand it. Because it is meant to be a tool and not a textbook, we included only the basic information that you need to know to diagnose and manage pest problems in your plantations. In addition to the illustrated pest profiles, you will find practical advice on: • How to look for and recognize potential pests • How to select, plant, and care for trees so they are less likely to be damaged by pests • How to keep pests at low levels to prevent tree damage The management techniques we provide will discourage pests and prevent them from causing serious damage.< Less
Air Drying of Lumber By United States Department of Agriculture
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This report describes how lumber can be air-dried most effectively under outdoor conditions and illustrates the principles and procedures of air-drying lumber that were developed through field... More > investigations and observations of industrial practices. Particular emphasis is placed on the yarding of lumber in unit packages. Included are topics such as why lumber is dried, advantages and limitations of the drying process, properties of wood in relation to drying, layout of the drying yard, piling methods, causes and remedies of air-drying defects, and protection of air-dried lumber.< Less
Tomato Diseases and Their Control By United States Department of Agriculture
eBook (ePub): $8.99
Whether you are a beginner running into your first growing pains or master gardener interested in discussing advanced techniques, we all have a common interest in growing healthy, disease free... More > tomatoes. We invite you to join our community and share your experiences!< Less