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Years 1991x
Displaying items 1 - 20 of 652 start over
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1. 1-naphthyl acetate esterase activity from cultures of the symbiont yeast of the cigarette beetle (Coleoptera: Anobiidae)
Author(s):
Shen, S.K. , Dowd, P.F.
Year:
1991
2. 1980's a decade of broad rural stress.
Author(s):
Deavers, K.L.
Subject(s):
employment , poverty , unemployment , manufacturing , United States
Series:
Rural development perspectives.
Year:
1991
3. 1990 farm bill school lunch studies : interim report to Congress
Author(s):
United States Food and Nutrition Service. Office of Analysis and Evaluation.
Subject(s):
National school lunch program , School children , Food , United States , National School Lunch Program , school meals , commodity foods , program evaluation
Year:
1991
4. 1990-91 directory of professional workers in State Agricultural Experiment Stations and other cooperating state institutions
Author(s):
U.S. Dept. of Agriculture, Cooperative State Research Service
Series:
USDA agriculture handbooks
Year:
1991
5. A catalog of the Coleoptera of America North of Mexico : family Scarabaeidae, Subfamilies: Rutelinae and Dynastinae
Author(s):
Hardy, Alan. , United States. Agricultural Research Service.
Subject(s):
Beetles -- United States -- Classification. , Beetles -- Canada -- Classification.
Series:
USDA agriculture handbooks
Year:
1991
6. A catalog of the Coleoptera of America North of Mexico : family: Allocorynidae
Author(s):
O'Brien, Charles William. , United States. Agricultural Research Service.
Subject(s):
Beetles -- North America -- Classification. , Beetles -- North America -- Geographical distribution.
Series:
USDA agriculture handbooks
Year:
1991
7. A catalog of the Coleoptera of America north of Mexico : family: Byturidae
Author(s):
Springer, Charles A. , Goodrich, Michael A. , United States. Agricultural Research Service.
Subject(s):
Beetles -- North America -- Classification. , Beetles -- North America -- Geographical distribution.
Series:
USDA agriculture handbooks
Year:
1991
8. A conservation tillage research update from the Coastal Plain Soil and Water Conservation Research Center of South Carolina: A review of previous research
Author(s):
Sojka, R.E. , Karlen, D.L. , Busscher, W.J.
Year:
1991
9. A direct approach for estimating nitrogen, phosphorus, and land demands at the regional level
Author(s):
Vroomen, Harry. , Larson, Bruce. , United States. Dept. of Agriculture. Economic Research Service.
Subject(s):
Fertilizers -- Prices -- United States -- Mathematical models. , Fertilizers -- Government policy -- United States.
Series:
Technical bulletin.
Year:
1991
10. A general relationship between CO2-induced increases in net photosynthesis and concomitant reductions in stomatal conductance
Author(s):
Idso, S.B.
Year:
1991
11. A method of incoulating bean plants in breeding trials with specific strains of Pseudomonas syringae pv. syringae.
Author(s):
Hunter, J.E. , Ludwig, J.W.
Subject(s):
Phaseolus vulgaris , cultivars , Pseudomonas syringae pv. syringae , strains , New York
Series:
Annual report.
Year:
1991
12. A modified procedure for assaying bean seeds for the pathogen causing bacterial brown spot and results of assays of commercial bean seeds.
Author(s):
Hunter, J.E. , Ludwig, J.W.
Subject(s):
Phaseolus vulgaris , seeds , Pseudomonas syringae pv. syringae , detection , New York
Series:
Annual report.
Year:
1991
13. A molecular reexamination of diploid hybrid speciation of Solanum raphanifolium
Author(s):
Spooner, D.M. , Sytsma, K.J. , Smith, J.F.
Year:
1991
14. A nationwide study of the selenium contents and variability in white bread
Author(s):
Holden, J.M. , Gebhardt, S. , Davis, C.S. , Lurie, D.G.
Year:
1991
15. A new PCR based DNA polymorphism assay.
Author(s):
Skroch, P. , Tivang, J. , Nienhuis, J.
Subject(s):
polymerase chain reaction , DNA , random amplified polymorphic DNA technique
Series:
Annual report.
Year:
1991
16. A quick method for screening for resistance to fusarium wilt in beans.
Author(s):
Mills, L.J. , Silbernagel, M.J.
Subject(s):
Phaseolus vulgaris , lines , disease resistance , Fusarium oxysporum , Nebraska
Series:
Annual report.
Year:
1991
17. A review of marking techniques in arthropods and an introduction to elemental marking
Author(s):
Akey, D.H.
Year:
1991
18. A review of the nonoverlap component of the June 1990 multiple frame indications
Author(s):
Allen, J. Donald. , Thorson, Jerry. , United States National Agricultural Statistics Service. Estimates Division.
Subject(s):
Agricultural surveys , United States , Methodology , weight
Year:
1991
19. A second world-wide migration and population displacement of Phytophthora infestansl
Author(s):
Spielman, L.J. , Drenth, A. , Davidse, L.C. , Sujkowski, L.J. , Gu, W. , Tooley, P.W. , Fry, W.E.
Year:
1991
20. A state-level examination of metro/nonmetro per capita income inequality, 1979-87
Author(s):
Redman, John M. , Rowley, Thomas D. , United States. Dept. of Agriculture. Economic Research Service. Agriculture and Rural Economy Division.
Subject(s):
Income distribution -- United States -- States. , Metropolitan areas -- Economic conditions -- United States -- States. , United States -- Economic conditions -- Regional disparities.
Series:
ERS staff report.
Year:
1991