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Collections Organic Roots Collection Remove constraint Organic Roots Collection: Organic Roots Collection Series Technical bulletin. Remove constraint Technical bulletin.: Technical bulletin.
Displaying items 11 - 20 of 191 start over

11. Application of steam in the sterilization of soils

Alternative Title:
Steam sterilization of soils.
Author:
Senner, Arthur H. (Arthur Henry), 1898
Subject:
Soil disinfection.
Physical description:
20 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

12. Arsenic in natural phosphates and phosphate fertilizers

Author:
Tremearne, T. H. (Thomas Harold), 1895 , Jacob, K. D. (Kenneth Donald), 1896
Subject:
Phosphatic fertilizers -- Composition. , Phosphates -- Composition.
Physical description:
40 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

13. Bacterial wilt of corn

Author:
Rand, Frederick Vernon, 1883-1961. , Cash, Lillian C. (Lillian Claire)
Subject:
Corn -- Diseases and pests.
Physical description:
31 p., 3 p. of plates
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

14. Base exchange and related properties of the colloids of soils from the erosion experiment stations

Author:
Slater, C. S. (Clarence Sheldon) , 1897- , Byers, Horace G. (Horace Greeley) , 1872-
Subject:
Soil colloids , soil colloids , soil organic matter , soil chemical properties , soil biochemistry , soil chemistry , chemical composition , laboratory techniques
Physical description:
20 p. ; 23 cm.
Additional Author(s):
Slater, C. S. (Clarence Sheldon) , 1897-Byers, Horace G. (Horace Greeley) , 1872-
Collection:
Organic Roots Collection
Series:
Technical bulletin.

15. Beef production and quality as affected by method of feeding supplements to steers on grass in the Appalachian region

Author:
Black, W. H. (William Henry), 1888-1949.
Subject:
Beef cattle -- Appalachian Region -- Feeding and feeds.
Physical description:
32 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

16. Biological and ecological factors in the control of the celery leaf tier in Florida

Author:
Ball, E. D. (Elmer Darwin), 1870-1943.
Subject:
Greenhouse plants -- Diseases and pests -- Florida -- Control.
Physical description:
56 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

17. Biological studies on the leafhopper Empoasca fabae as a bean pest

Author:
DeLong, Dwight Moore, 1892
Subject:
Leafhoppers. , Beans -- Diseases and pests.
Physical description:
60 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

18. Biology and control of the black vine weevil

Author:
Smith, Floyd F. (Floyd Franklin), 1900
Subject:
Brachyrhinus.
Physical description:
46 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

19. Biology and control of the corn leaf aphid with special reference to the southwestern states

Author:
Wildermuth, V. L. (Lernon Leroy), 1885 , Walter, E. V.
Subject:
Corn -- Diseases and pests -- Southwestern States.
Physical description:
22 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

20. Biology and control of tree hoppers injurious to fruit trees in the Pacific Northwest

Author:
Yothers, M. A.
Subject:
Fruit -- Diseases and pests -- Northwestern States. , Treehoppers.
Physical description:
46 p., 8 p. of plates
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.