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Years 1932x
Displaying items 1 - 20 of 473 start over
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1. A digest of the literature of derris (deguelia) species used as insecticides, 1747-1931
Author(s):
Roark, R. C. (Ruric Creegan)
Subject(s):
Dalbergia Bibliography , Insecticidal plants Bibliography , Insecticides , bibliographies , pesticides , botanical pesticides , biopesticides , botanical insecticides , pesticidal plants , rotenoids , rotenone
Series:
Miscellaneous publication
Year:
1932
2. A Bacterial Disease of the Tung-Oil Tree.
Author(s):
McCulloch, Lucia , Demaree, J.B.
Series:
Journal of agricultural research
Year:
1932
3. A Classification of the Varieties of Field Beans, Phaseolus vulgaris.
Author(s):
Steinmetz, F.H. , Arny, A.C.
Series:
Journal of agricultural research
Year:
1932
4. A Cytological Study of Heterothallism in Puccinia coronata.
Author(s):
Allen, Ruth F.
Series:
Journal of agricultural research
Year:
1932
5. A Cytological Study of Heterothallism in Puccinia triticina.
Author(s):
Allen, Ruth F.
Series:
Journal of agricultural research
Year:
1932
6. A Method for the Determination of Comparative Hardiness in Seedling Alfalfas by Contolled Hardening and Artificial Freezing.
Author(s):
Peltier, George L. , Tysdal, H.M.
Series:
Journal of agricultural research
Year:
1932
7. A Photographic Light Box for Use in Agricultural Research.
Author(s):
Groves, A.B.
Series:
Journal of agricultural research
Year:
1932
8. A Simple Method of Constructing Tree Volume Tables.
Author(s):
Demeritt, D.B. , McIntyre, A.C.
Series:
Journal of agricultural research
Year:
1932
9. A Study of Sampling Technic with Sugar Beets.
Author(s):
Immer, F.R.
Series:
Journal of agricultural research
Year:
1932
10. A Study of Several Factors in the Separation of Serum from Bottled Cream.
Author(s):
Trout, G. Malcolm , McCan, J.C.
Series:
Journal of agricultural research
Year:
1932
11. A Study of the Physiologic Forms of Kernel Smut (Sphacelotheca sorghi) of Sorghum.
Author(s):
Melchers, L.E. , Ficke, C.H. , Johnston, C.O.
Series:
Journal of agricultural research
Year:
1932
12. A Three-Year Study of the Chemical Composition of Grass from Plots Fertilized and Grazed Intensively.
Author(s):
Archibald, J.G. , Nelson, P.R. , Bennett, E.
Series:
Journal of agricultural research
Year:
1932
13. A critical laboratory review of methods of determining organic matter and carbonates in soil
Author(s):
Alexander, Lyle T. (Lyle Thomas), 1903 , Byers, Horace G. (Horace Greeley), 1872
Subject(s):
Soils -- Carbonate content. , Soils -- Composition. , Humus.
Series:
Technical bulletin.
Year:
1932
14. A digest of the literature of derris (deguelia) species used as insecticides, 1747-1931
Author(s):
Roark, R. C. (Ruric Creegan) , USDA
Subject(s):
bibliographies , pesticides , botanical pesticides , biopesticides , botanical insecticides , pesticidal plants , rotenoids , rotenone , Dalbergia -- Bibliography. , Insecticidal plants -- Bibliography. , Insecticides.
Series:
Miscellaneous publication
Year:
1932
15. Acetic Acid and Pyroligneous Acid in Comparison with Formaldehyde as Soil Disinfectants.
Author(s):
Doran, William L.
Series:
Journal of agricultural research
Year:
1932
16. Adequacy and reliability of crop-yield estimates
Author(s):
Sarle, Charles F. (Charles Faye), 1892
Subject(s):
Crop yields. , Agricultural estimating and reporting.
Series:
Technical bulletin.
Year:
1932
17. Adjusting corn belt farming to meet corn-borer conditions
Author(s):
Myers, Kenneth Hayes , 1898-
Subject(s):
life cycle (organisms) , boring insects , insect pests , larvae , plant damage , crop losses , developmental stages , natural enemies , insect control , agricultural law , quarantine , control methods , cultural control , tillage , planting date , burning , postharvest treatment , crop residue management , livestock feeding , European corn borer Control Middle West , Corn Diseases and pests Middle West
Series:
Farmers' bulletin
Year:
1932
18. Agricultural credit corporations affiliated with cotton cooperative marketing associations
Author(s):
Rowe, William H. (William Hobson), b. 1896.
Subject(s):
Agricultural cooperative credit associations. , Cotton trade.
Series:
Technical bulletin.
Year:
1932
19. Agronomic work on the Big Spring, Tex., Field Station--1915-1929
Author(s):
Keating, F. E. (Fred Earl), 1892 , USDA
Subject(s):
climatic factors , field experimentation , crop rotation , tillage , small grains , grain crops , Cropping systems -- Texas. , Tillage -- Texas. , Field experiments -- Texas.
Series:
Circular
Year:
1932
20. Agronomic work on the Big Spring, Tex., Field Station--1915-1929
Author(s):
Keating, F. E. (Fred Earl) , 1892-
Subject(s):
Cropping systems Texas , Tillage Texas , Field experiments Texas , climatic factors , field experimentation , crop rotation , tillage , small grains , grain crops
Series:
Circular
Year:
1932