Search National Agricultural Library Digital Collections

Limit your search

Subjects
Authors
Year
Series
Collections
Subjects
Authors
Year
pp12345pp
A-Z SortNumerical Sort
20085131
20094595
20064037
20073911
20103581
20053523
20042961
20032194
20112054
20021785
Series
Collections

You searched for:

Years 1932x Collections Organic Roots Collectionx
Displaying items 1 - 20 of 29 start over
Sort by: Relevance Title
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 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
3. 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
4. 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
5. 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
6. 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
7. Bean diseases and their control
Author(s):
Harter, L. L. (Leonard Lee) , Zaumeyer, W. J. (William John) , 1903-
Subject(s):
Beans Diseases and pests , plant diseases and disorders , disease and pest management
Series:
Farmers' bulletin
Year:
1932
8. Biology and control of the black vine weevil
Author(s):
Smith, Floyd F. (Floyd Franklin), 1900
Subject(s):
Brachyrhinus.
Series:
Technical bulletin.
Year:
1932
9. Biology and control of the corn leaf aphid with special reference to the southwestern states
Author(s):
Wildermuth, V. L. (Lernon Leroy), 1885 , Walter, E. V.
Subject(s):
Corn -- Diseases and pests -- Southwestern States.
Series:
Technical bulletin.
Year:
1932
10. Biology of some Japanese and Chosenese grub parasites (Scoliidae)
Author(s):
Clausen, Curtis P. (Curtis Paul), 1893 , Gardner, T. R. (Theodore Roosevelt), 1899 , Sato, Kaku.
Subject(s):
Parasitic insects -- Research -- Japan. , Parasitic insects -- Research -- Korea. , Host-parasite relationships.
Series:
Technical bulletin.
Year:
1932
11. Conservation of fertilizer materials from minor sources
Author(s):
Fletcher, C. C. (Charles Cloyes), 1883 , USDA
Subject(s):
composting , composts , food residuals composts , composted manure , chemical composition , waste utilization , industrial byproducts , fly ash , soil amendments , Organic wastes as fertilizer. , Compost -- Research.
Series:
Miscellaneous publication
Year:
1932
12. Conservation of fertilizer materials from minor sources
Author(s):
Fletcher, C. C. (Charles Cloyes) , 1883-
Subject(s):
Organic wastes as fertilizer , Compost Research , composting , composts , food residuals composts , composted manure , chemical composition , waste utilization , industrial byproducts , fly ash , soil amendments
Series:
Miscellaneous publication
Year:
1932
13. Effect of solid and gaseous carbon dioxide upon transit diseases of certain fruits and vegetables
Author(s):
Brooks, Charles, 1872
Subject(s):
Vegetables -- Transportation -- Diseases and injuries. , Fruit -- Transportation -- Diseases and injuries.
Series:
Technical bulletin.
Year:
1932
14. Experiments with insecticides for codling-moth control
Author(s):
Newcomer, E. J. (Erval Jackson), 1890 , Yothers, M. A.
Subject(s):
Codling moth. , Fruit -- Diseases and pests.
Series:
Technical bulletin.
Year:
1932
15. Factors affecting the development of loose smut in barley and its control by dust fungicides
Author(s):
Leukel, R. W. (Robert Whitmer), 1888
Subject(s):
Barley -- Diseases and pests.
Series:
Technical bulletin.
Year:
1932
16. Factors affecting the development of the aerial stage of Puccinia graminis
Author(s):
Cotter, Ralph U. (Ralph Ulysses), 1896
Subject(s):
Barberries -- Diseases and pests.
Series:
Technical bulletin.
Year:
1932
17. Fertilizers for sweetpotatoes based on investigations in North Carolina
Author(s):
Skinner, J. J. (Joshua John) , Williams, Carrington Bonsor, 1889 , Mann, H. B. (Harvey Blount), 1898-1979
Subject(s):
Sweet potatoes -- North Carolina -- Fertilizers. , Plants -- Nutrition.
Series:
Technical bulletin.
Year:
1932
18. Grape districts and varieties in the United States
Author(s):
Husmann, George C. (George Charles Frederick) , 1861-1939
Subject(s):
Grapes Varieties , viticulture , vineyards , plant propagation , varieties , fruit growing , geographical distribution , geographical variation
Series:
Farmers' bulletin
Year:
1932
19. Hot water as an insecticide for the Japanese beetle in soil and its effect on the roots of nursery plants
Author(s):
Fleming, Walter E. (Walter Ernest), 1899 , Baker, Francis E. (Francis Everett), 1903
Subject(s):
Japanese beetle -- Control.
Series:
Technical bulletin.
Year:
1932
20. Peach brown rot
Author(s):
Roberts, John W. (John William), 1882 , Dunegan, John C. (John Clymer), 1898
Subject(s):
Brown rot of fruit. , Peach -- Diseases and pests.
Series:
Technical bulletin.
Year:
1932