Filtros de búsqueda

Lista de obras de Servicio de Investigación Agrícola

A catalog of cultivated woody plants of the southeastern United States ⬇️

[Washington, D.C.] :U.S. Dept. of Agriculture, Agricultural Research Service,[1994] | Smithsonian Libraries

A community effort in boll weevil control ⬇️

[Washington, D.C.?] :U.S. Dept. of Agriculture, Agricultural Research Service,1963. | U.S. Department of Agriculture, National Agricultural Libra

A hand-operated insect aspirator ⬇️

[Beltsville, Md.?]: U.S. Dept. of Agriculture, Agricultural Research Service, 1958.

A portable variable-rate sprayer for plot use ⬇️

[Beltsville, Md.] :U.S. Dept. of Agriculture, Agricultural Research Service,1963. | U.S. Department of Agriculture, National Agricu

A survey of apple clones in the United States ⬇️

[Beltsville, Md.?]: U.S. Dept. of Agriculture, Agricultural Research Service, 1963.

A survey of extent and cost of weed control and specific weed problems ⬇️

[Beltsville, Md.] :U.S. Dept. of Agriculture, Agricultural R

A variety of fruits and vegetables : some good choices for the thrifty family ⬇️

Washington, D.C. :U.S. Dept. of Agriculture, Consumer and Marketing Service :1966. | U.S. Department of Agriculture, National Agricultural Librar

ARS insect neurobiology workshop report and 5-year national research plan ⬇️

[Washington, D.C?]: U.S. Department of Agriculture, Agricultural Research Service, 1993.

ARS-BLM soil-vegetation-hydrology study : final report ⬇️

[Sidney, Mont.?] :U.S. Department of Agriculture, Agricultural Research Service, Northern Plains So

After the coal : lush grass ⬇️

[Washington, D.C.]: U.S. Dept. of Agriculture, Agricultural Research Service, 1971.

Alkaloid composition of nicotiana rustica strains ⬇️

[Beltsville, Md.]: U.S. Dept. of Agriculture, Agricultural Research Service, [1957].

An insect trap ⬇️

[Beltsville, Md.?] :U.S. Dept. of Agriculture, Agricultural Research Service,[1956]. | U.S. Department of Agriculture, National Agricultural Libr

Association of plant hairs and insect resistance : an annotated bibliography ⬇️

Washington, D.C.: Agricultural Research Service, U.S. Dept. of Agriculture, 1975.

Battle of the bush ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, Agricultural Research Service, 1965.

Bibliography of arthropod chemosterilants ⬇️

New Orleans :Agricultural Research Service, U.S. Dept. of Agriculture,1976. | U.S. Department of Agriculture, National Agricultural Library

Bibliography of organic acids in higher plants ⬇️

[Washington D.C.]: Agricultural Research Service, [1957].

Bibliography of the Cicadelloidea (Homoptera: Auchenorhycha) ⬇️

Washington, D.C.: Agricultural Research Service, 1964.

Bioclimatic cabinets used in studies on the Mexican fruit fly and the pink bollworm ⬇️

[Beltsville, Md.] :U. S. Dept. of Agriculture, Agricultural Research Service,1956. | U.S. Department of Agriculture, National Agricultural Li

Biological control quarantine : needs and procedures : proceedings of a workshop ⬇️

[Washington, D.C.] :U.S. Dept. of Agriculture, Agricultural Research Service,[1991] | U.S. Department of Agriculture, National Agricu

Blight of pears, apples, and quinces ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1972.

Blight of pears, apples, and quinces ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, [1939?]

Blight of pears, apples, and quinces ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, [1970]

Blight of pears, apples, and quinces ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, [1954]

Bringing them in-- alive and healthy ⬇️

Washington, D.C. :U.S. Dept. of Agriculture, Agricultural Research Service,1961. | U.S. Department of Agriculture, National Agr

Chelates as aids in combating plant malnutrition ⬇️

[Washington, D.C.]: Agricultural Research Service, U.S. Dept. of Agriculture, 1958.

Chemical composition of forages : in relation to digestibility by ruminants ⬇️

[Beltsville, Md.]: U.S. Dept. of Agriculture, Agricultural Research Service, 1964.

Chemical control of submersed waterweeds in Western irrigation and drainage canals : joint report ⬇️

[Beltsville, Md.] :U.S. Dept. of Agriculture, Agricultural Research Service,1964. | U.S. Department of Agriculture, National Agricultural L

Chiggers : how to fight them ⬇️

Washington, D.C. :U.S. Dept. of Agriculture,1956. | U.S. Department of Agriculture, National Agricultural

Citrus blackfly and Mexican fruitfly control ⬇️

Washington?1954

Classification : key to insect control ⬇️

[Washington, D.C.]: Dept. of Agriculture, Agricultural Research Service, 1977.

Collection of entomopathogenic fungal cultures : catalog of strains ⬇️

[Washington, DC]: U.S. Dept. of Agriculture, 1992.

Color it green with trees : a calendar of activities for home arborists ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, Agricultural Research Service, [1972]

Compatibility of fruits and vegetables during transport in mixed loads ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, Agricultural Research Service, 1977.

Control of insects with diseases ⬇️

Washington, 1955.

Don't help hitchhikers ⬇️

Hyattsville, Md.: U.S. Dept. of Agriculture, Agricultural Research Service, 1964.

Don't help hitchhiking bugs ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1966.

Earthworms in relation to agriculture ⬇️

Washington, 1961?

Earthworms in relation to agriculture ⬇️

Washington, 1954?

Economic importance and biological control of Lygus and Adelphocoris in North America ⬇️

[Washington, D.C.?]: U.S. Dept. of Agriculture, Agricultural Research Service ;1987.

Economics of forage production in the mountain meadow areas of Colorado : a progress report ⬇️

Washington, D.C. :Agricultural Research Service, U.S. Department of Agriculture,1959. | U.S. Department of Agricul

Effect of light traps on hornworm populations in large areas ⬇️

Beltsville, Md. :U.S. Dept. of Agriculture, Agricultural Research Service,1963. | U.S. Department of

Effectiveness of a USDA-developed middle flamer on boll weevil destruction inside cotton squares ⬇️

[Washington]: U.S. Dept. of Agriculture, Agricultural Research Service, [1964]

Effectiveness of grasshopper control in the United States ⬇️

[Washington, D.C.?]: U.S. Dept. of Agriculture, Agricultural Research Service, 1955.

Effectiveness of repellents against culicine mosquitoes ⬇️

[Beltsville, Md.?]: U.S. Dept. of Agriculture, Agricultural Research Service, 1956

Eighty years of vegetation and landscape changes in the Northern Great Plains : a photographic record ⬇️

[Miles City, MT] :U.S. Dept. of Agriculture, Agriculture Research Service,[2001] | U.S. Department of Agriculture, National

Enlisting public cooperation in keeping out foreign animal and plant pests ⬇️

[Washington, D.C.]: Agricultural Research Service, U.S. Dept. of Agriculture, [1960]

Facts about the screwworm barrier program ⬇️

[Washington]U.S. Agricultural Research Service,1967. | U.S. Department of Agriculture, National Agricultural Library View

Federal-grant research at the state agricultural experiment stations : projects on fruits and nuts. Part 12 ⬇️

[Washington, D.C.]: Agricultural Research Service, U.S. Dept. of Agriculture, [1958].

Federal-grant research at the state agricultural experiment stations : projects on ornamental and drug plants. Part 16 ⬇️

[Washington, D.C.]: Agricultural Research Service, U.S. Dept. of Agriculture, [1958]

Federal-grant research at the state agricultural experiment stations : projects on plant physiology and nutrition. Part 18 ⬇️

[Washington, D.C.]: Agricultural Research Service, U.S. Dept. of Agriculture, [1958].

Federal-grant research at the state agricultural experiment stations : projects on weed control. Part 24 ⬇️

[Washington, D.C.]: Agricultural Research Service, U.S. Dept. of Agriculture, [1958].

Fern Valley Trail guide ⬇️

[Washington, D.C.?]: U.S. Dept. of Agriculture, National Arboretum, 1986.

Fertilizer attachment for tree-planting machine : a progress report ⬇️

Washington, DC :U.S. Dept. of Agriculture, Agricultural Research Service,1962. | U.S. Department of Agriculture, National Ag

Film overwrapping of apple trays increases handling efficiency ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, Agricultural Research Service, 1978.

Fire blight--its nature, prevention, and control : a practical guide to integrated disease management ⬇️

Washington, DC :U.S. Dept. of Agriculture :[1999] | U.S. Department of Agriculture, Natio

For a beautiful America : guard against plant pests ⬇️

[Washington, D.C.]: U.S. Dept. of Agriculture, 1969.

Forage production and utilization in feeding dairy cattle ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, Agricultural Research Service, 1955.

Forecasting the hatching period of grasshoppers from weather data ⬇️

[Washington, D.C.]: U. S. Dept. of Agriculture, Agricultural Research Service, [1965]

Fruits : a good choice for the thrifty family ⬇️

Washington, D.C. :U.S. Dept. of Agri

Fruits and vegetables for Vitamin C : a good choice for the thrifty family ⬇️

Washington, D.C. :U.S. Dept. of Agriculture, Consumer and Marketing Service :1966. | U.S. Department of Agriculture, National Agricultural Librar

Grass varieties in the United States ⬇️

[Washington]1958.

Grasses and legumes for forage and conservation ⬇️

[Washington, D.C.]: Agricultural Research Service, U.S. Dept. of Agriculture, 1957.

Grasshopper and Mormon cricket control ⬇️

Washington, D.C.: United States Department of Agriculture, Agricultural Research Service, 1954.

Growing plants without soil for experimental use ⬇️

Washington, D.C.: Agricultural Research Service, U.S. Dept. of Agriculture, 1972.

Growing red clover ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, [1964]

Hardy, productive tree fruits for the high altitude section of the central Great Plains ⬇️

[Beltsville, Md.] :U.S. Dept. of Agriculture, Agricultural Research Service,1962. | U.S. Department of Agriculture, National Agricultural Library V

History, progeny, and locations of crabapples of documented authentic origin ⬇️

Washington: Agricultural Research Service, U. S. Dept. of Agriculture, 1970.

History, progeny, and locations of crabapples of documented authentic origin ⬇️

Washington, D.C.: Agricultural Research Service, U.S. Dept. of Agriculture, 1970.

Hitting the hot spots : grasshopper control on rangeland ⬇️

[Washington, D.C.]: U.S. Dept. of Agriculture, Agricultural Research Service, 1966.

Horse barn & arena ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, Agricultural Research Service, 1976.

Horse barn : 10 stall ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, Agricultural Research Service, 1976.

Horse barn : capacity 88 horses ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, Agricultural Research Service, 1975.

Horse barn : indoor exercise area ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, Agricultural Research Service, 1973.

Identification and control of honey bee diseases ⬇️

[Washington, D.C.?] :U.S. Dept. of Agriculture,1983. | U.S. Department of Agriculture, Nation

International checklist of cultivated Ilex ⬇️

Washington :Agricultural Research Service, U.S. Dept. of Agriculture; for sale by the Supt. of Docs., U.S. Govt. Print. Off.,1973- | Smithsonian

Introduction of forage plants for seeding western ranges ⬇️

[Washington]1954.

Keys for the identification of some Lepidopterous larvae frequently intercepted at quarantine ⬇️

[Washington, D.C.]: U.S. Dept. of Agriculture, Agricultural Research Service, 1956.

Killing weeds with herbicides : student or classroom science project no. 3 ⬇️

[Washington, D.C.?]: U.S. Dept. of Agriculture, 1966.

Large-cage design for insect and plant research ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1963.

Losses in agriculture : a preliminary appraisal for review ⬇️

[Washington, D.C.]: Agricultural Research Service, U.S. Dept. of Agriculture, 1954.

Manual of the Agromyzidae (Diptera) of the United States ⬇️

Washington, D.C. :U.S. Dept. of Agriculture, Agricultural Research Service :[1986] | U.S. Department of Agriculture

Mechanical devices to expedite boll weevil rearing in the laboratory ⬇️

[Washington, D.C.?] :U.S. Dept. of Agriculture, Agricultural Research Service,[1963]. | U.S. Department of Agriculture, National Agricultural Li

Metabolic fate of herbicides in plants ⬇️

[Beltsville, Md.] :U.S. Dept. of Agriculture, Agricultural Research Service,1965. | U.S.

Mexican fruit fly control ⬇️

Washington, D.C.: United States Department of Agriculture, Agricultural Research Service, 1954.

National Animal Disease Laboratory-- in operation ⬇️

Washington, D.C. :U.S. Dept. of Agriculture, Agricultural Research Service,1961. | U.S. Department of Agriculture, National Agr

National Arboretum contribution ⬇️

Washington, D.C.: The Arboretum: 1953-

Nomenclature of some plants associated with turfgrass management ⬇️

[Beltsville, Md.]: U.S. Dept. of Agriculture, Agricultural Research Service, 1962.

Nutrient content of grasses growing on four range sites in south Texas ⬇️

New Orleans, La.: U.S. Dept. of Agriculture, Agricultural Research Service ;1982.

Packaging produce in trays at the central warehouse ⬇️

Washington, D.C.: Agricultural Research Service, U.S. Dept. of Agriculture, 1969.

Pasas : ⬇️

Washington, D.C. :U.S. Dept. of Agriculture, Food and Nutrition Service, Agricultural Research Service,1970.

Pesticides and honey bees ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, [1977]

Pesticides and honey bees ⬇️

Washington, D.C.: The Service, [1981]

Pests or pesticides ⬇️

[Washington]1960.

Plant Pest Control Division programs ⬇️

[Washington, U.S. Govt. Print. Off.]1967.

Plant hardiness zone map ⬇️

Washington, D.C. :Agricultural Research Service,[1965] | U.S. Department of Agriculture, National Agricultural L

Plant light-growth discoveries : from photoperiodism to phytochrome ⬇️

[Washington, DC]: Agricultural Research Service, United States Department of Agriculture, 1961.

Plant protection division activities ⬇️

[Washington] :U.S. Dept. of Agriculture, Agricultural Research Service,[1971] | U.S. Department of Agriculture, National Agricultural Library View B

Postharvest weight loss and shrivel in five fruits and five vegetables ⬇️

Washington: Agricultural Research Service, U.S.D.A., 1977.

Preliminary tests of some n-substituted formamides as insecticides and miticides ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, Agricultural Research Service, 1954.

Proceedings of the Southern Pasture and Forage Crop Improvement Conference ⬇️

By: Southern Pasture and Forage Crop Improvement Conference. - United States. Agricultural Research Service. - United States. Agricultural Research Service. Southern Region. - United States. Science and Education Administration. Office of the Re

Quarantines prevent the spread of plant pests ⬇️

[Washington, D.C.]: U.S. Dept. of Agriculture, 1969.

Recent studies on virus diseases of apple in the United States and Canada ⬇️

Beltsville, Md. :Crops Research Division, Agricultural Research Service, United States Department of Agriculture,1959. | U.S. Department of Agriculture, National Agricul

Recommended procedure for the isolation of salmonella organisms from animal feeds and meat byproducts ⬇️

[Hyattsville, Md.]U. S. Agricultural Research Service,1962. | U.S. Department of Agriculture, National Agricultural Librar

Soil, water, and vegetation conditions in South Texas : quarterly progress report ⬇️

Weslaco, Texas :U.S.D.A., Agricultural Research Service, :1976 | U.S. Department of Agriculture, National Agricultu

Soybean response to irrigation of Mississippi River Delta soils ⬇️

[Beltsville, Md.]: U.S. Dept. of Agriculture, Agricultural Research Service ;1984.

Successful eradication of screw-worm based on new concept of insect control ⬇️

Washington, D.C.: United States Department of Agriculture, Agricultural Research Service, 1955.

Survey of apple clones in the United States ⬇️

[Beltsville, Md.?]: U.S. Dept. of Agriculture, Agricultural Research Service, 1963.

Terminal velocities of small fruits ⬇️

Washington, DC :U.S. Dept. of Agriculture, Agricultural Research Service,1963. | U.S

The Japanese flowering cherry trees of Washington, D.C. : a living symbol of friendship ⬇️

Washington: Dept. of Agriculture, Agricultural Research Service, 1977.

The effect of aldicarb on sugarbeet insects and yield ⬇️

Oakland, Calif.: U.S. Dept. of Agriculture, Agricultural Research Service ;1982]

The farm cost situation

Taxation book

The flavor contribution of Turkish tobacco in blended cigarettes ⬇️

[Washington, D.C.]: Dept. of Agriculture, 1964.

The home fruit garden in the Northeastern and North Central States ⬇️

Washington, D.C. :For sale by the Supt. of Docs., U.S. G.P.O.,[1958] | U.S. Department of Agriculture, National Agricultural Library Vi

The home fruit garden in the southeastern and central Southern States ⬇️

Washington, D.C. :For sale by the Superintendent of Documents, U.S. Government Printing Office,[1965] |HOLD

The imported fire ant : how to control it ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1958.

Tobacco production ⬇️

Washington, D.C. :U.S. Dept. of Agriculture, Agricultural Research Service,1976. | U.S. Department of Agriculture, National Agricultu

Tobacco seed growers and dealers ⬇️

Washington[1952?]

Transporting livestock overseas by air ⬇️

[Washington, D.C.?] :Agricultural Research Service, U. S. Dept. of Agriculture,1970. | U.S. Department of Agriculture, National Agricultural Library View B

Vegetables and fruits for Vitamin A : a good choice for the thrifty family ⬇️

Washington, D.C. :U.S. Dept. of Agriculture, Consumer and Marketing Service :1966. | U.S. Department of Agriculture, National Agricultural Librar

What our insect enemies can look for ⬇️

[Washington, D.C.?] :Agricultural Research Service, U.S. Department of Agriculutre,1962. | U.S. Department of Agriculture, National Agricultural Library View Boo

Wild plants and their associated insects in the Palearctic region, primarily Europe and the Middle East ⬇️

[Beltsville Md.?]: U.S. Dept. of Agriculture, Agricultural Research Service ;[1999]

Micro-organisms : what they are, where they grow, what they do ⬇️

Washington, D.C. :Agricultural Research Service, U.S. Dept. of Agriculture,1964. | U.S. Department of Agriculture, Nationa

Dominio Público Uruguay está sostenido por:

Acerca de Dominio Público Uruguay

Ayuda