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Series Technical bulletin. Remove constraint Technical bulletin.: Technical bulletin. Collections Organic Roots Collection Remove constraint Organic Roots Collection: Organic Roots Collection
Displaying items 41 - 50 of 191 start over

41. Effect of alfalfa and farm manure on yields of irrigated crops in the Great Plains

Author:
Hastings, Stephen H. (Stephen Harold), 1879
Subject:
Crop rotation -- Great Plains. , Farm manure -- Great Plains.
Physical description:
40 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

42. Effect of different methods of grazing on native vegetation and gains of steers in northern Great Plains

Author:
Black, W. H. (William Henry), 1888-1949.
Subject:
Range management -- Great Plains. , Grazing -- Great Plains. , Cattle -- Great Plains -- Feeding and feeds.
Physical description:
19 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

43. Effect of fertilizers on composition of soybean hay and seed and of crop management on carbon, nitrogen, and reaction of Norfolk sand

Alternative Title:
Crop management.
Author:
Adams, James E. (James Edward), 1898 , Boggs, H. M. (Hugh McAndrew), 1904 , Roller, E. M. (Emery M.), 1894
Subject:
Soybean -- Fertilizers. , Fertilizers -- Research. , Soil management.
Physical description:
35 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

44. Effect of method and rate of grazing on beef production and plant population of pastures at Beltsville, Md.

Author:
Hein, M. A. (Mason August), b. 1894. , Cook, A. C. (Alonzo Charles), 1888
Subject:
Beef cattle -- Maryland -- Feeding and feeds. , Grazing -- Maryland. , Pastures -- Research -- Maryland.
Physical description:
35 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

45. Effect of mulches and surface conditions on the water relations and erosion of Muskingum soils

Author:
Borst, H. L. (Harold Lamont), 1889 , Woodburn, Russell, 1907
Subject:
Soil erosion -- Ohio. , Soil moisture -- Ohio. , Mulching.
Physical description:
16 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

46. Effect of solid and gaseous carbon dioxide upon transit diseases of certain fruits and vegetables

Author:
Brooks, Charles, 1872
Subject:
Vegetables -- Transportation -- Diseases and injuries. , Fruit -- Transportation -- Diseases and injuries.
Physical description:
60 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

47. Effects of certain environmental factors on stripe disease of barley and the control of the disease by seed treatment

Alternative Title:
Stripe disease of barley.
Author:
Leukel, R. W. (Robert Whitmer), 1888 , Dickson, James G. (James Geere), 1891 , Johnson, A. G. (Aaron Guy), 1880
Subject:
Barley leaf stripe disease.
Physical description:
40 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

48. Effects of partial defoliation at transplanting time on subsequent growth and yield of lettuce, cauliflower, celery, peppers, and onions

Author:
Kraus, James E. (James Ellsworth), 1909
Subject:
Vegetables -- Transplanting.
Physical description:
35 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

49. Evaluation of baits and bait ingredients used in grasshopper control

Alternative Title:
Grasshopper control.
Author:
Shotwell, R. L. (Robert Leslie)
Subject:
Insect baits and repellents. , Locusts -- Control.
Physical description:
51 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.

50. Experiments for the control of the European red mite and other fruit-tree mites

Author:
Newcomer, E. J. (Erval Jackson), 1890 , Yothers, M. A.
Subject:
European red mite. , Fruit -- Diseases and pests.
Physical description:
34 p.
Collection:
Organic Roots Collection
Series:
Technical bulletin.
Part Of:
Technical bulletin.