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1

The Accurate Determination of Nitrates in Soils.

Harper, Horace J.

Journal:

Industrial & Engineering Chemistry

Year:

1924

Language:

english

File:

PDF, 711 KB

english, 1924

2

A COMPARISON OF SEVERAL QUALITATIVE TESTS FOR SOIL ACIDITY

HARPER, HORACE J., JACOBSON, H. G. M.

Journal:

Year:

1924

File:

PDF, 469 KB

1924

3

THE USE OF INDICATORS FOR THE QUALITATIVE DETERMINATION OF SOIL REACTION

HARPER, HORACE J.

Journal:

Year:

1933

File:

PDF, 681 KB

1933

4

Tributes to Truman G. Yuncker and Ethel Claflin Yuncker

Horace L. Barnett, Fredrick L. Bergmann, Catherine Short Bigelow, Julia Joyce Harper Brashear, Ricardo Callejas, Jane Colten, Fay Kenoyer Daily, William A. Daily, Ray Fields Dawson, Thelma F. Engle, R

Journal:

Year:

1988

Language:

english

File:

PDF, 3.33 MB

english, 1988

5

Studies on the phosphorus and calcium content of vegetation as affected by soil and climatic conditions

Horace J. Harper

Journal:

International Journal of Orthodontia and Dentistry for Children

Year:

1934

Language:

english

File:

PDF, 687 KB

english, 1934

6

Pore Space-Clay Ratio, an Important Index to the Physical Character of Soil

Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1937

Language:

english

File:

PDF, 134 KB

english, 1937

7

A Method for the Microscopic Examination of the Natural Structure and Pore Space in Soils

Harper, Horace J., Volk, Garth W.

Journal:

Soil Science Society of America Journal

Year:

1937

Language:

english

File:

PDF, 287 KB

english, 1937

8

Soil Structure and Moisture Movement

Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1938

Language:

english

File:

PDF, 231 KB

english, 1938

9

Factors Which Affect the Development of Prismatic Structure in Soils of the Southern Great Plains

Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1938

Language:

english

File:

PDF, 377 KB

english, 1938

10

The Quantitative Determination of Magnesium in Soils Using 8-Hydroxyquinoline1

Alexander, Orval, Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1939

Language:

english

File:

PDF, 188 KB

english, 1939

11

Nitrate Nitrogen Content of Rain and Runoff Water from Plots under Different Cropping Systems on Soil Classified as Vernon Fine Sandy Loam1

Daniel, Harley A., Elwell, Harry M., Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1939

Language:

english

File:

PDF, 172 KB

english, 1939

12

Soil Conditions in Relation to the Response from Green Manure Applications1

Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1940

Language:

english

File:

PDF, 192 KB

english, 1940

13

Relation of Climatic Conditions, Soil Characteristics, and Tree Development in the Southern Great Plains Region1

Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1941

Language:

english

File:

PDF, 321 KB

english, 1941

14

The Educational Value of Soil Sample Exchange, Natural Color Pictures of Soil Profiles, and Associated Landscapes1

Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1941

Language:

english

File:

PDF, 56 KB

english, 1941

15

The Effect of Terrace Ridges on the Production of Winter Wheat1

Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1942

Language:

english

File:

PDF, 254 KB

english, 1942

16

Soil as a Factor in the Future of Great Plains Agriculture1

Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1946

Language:

english

File:

PDF, 286 KB

english, 1946

17

Report of Progress of the Committee on Soil Profile Exchange

Morwick, F. F., Rice, T. D., Patrick, A. L., Wyatt, F. A., Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1932

Language:

english

File:

PDF, 62 KB

english, 1932

18

Report of Committee on Exchange of Soil Profiles

Benton, T. H., Kellogg, C. E., Krusekopf, H. H., Lee, L. L., Lutz, J. F., Veatch, J. O., Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1935

Language:

english

File:

PDF, 83 KB

english, 1935

19

Report of Progress of the Committee on Soil Profile Exchange

Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1933

Language:

english

File:

PDF, 51 KB

english, 1933

20

Report of Committee on Exchange of Soil Profiles

Harper, Horace J.

Journal:

Soil Science Society of America Journal

Year:

1936

File:

PDF, 18 KB

1936

21

Isolation and identification of two new [11]cytochalasins from Phomopsis sojae

Cole, Richard J., Wilson, David M., Harper, James L., Cox, Richard H., Cochran, Teena W., Cutler, Horace G., Bell, Durham K.

Journal:

Journal of Agricultural and Food Chemistry

Year:

1982

Language:

english

File:

PDF, 544 KB

english, 1982

22

The Chemistry and Fertility of Sea Waterby H. W. Harvey

Review by: Horace J. Harper

Journal:

Year:

1955

Language:

english

File:

PDF, 187 KB

english, 1955

23

Soil-Plant Relationshipsby C. A. Black

Review by: Horace J. Harper

Journal:

Year:

1958

Language:

english

File:

PDF, 188 KB

english, 1958

24

Chemical Composition of Certain Aquatic Plants

Horace J. Harper and Harley A. Daniel

Journal:

Botanical Gazette

Year:

1934

Language:

english

File:

PDF, 417 KB

english, 1934

25

Truman G. Yuncker Festschrift || Tributes to Truman G. Yuncker and Ethel Claflin Yuncker

Horace L. Barnett, Fredrick L. Bergmann, Catherine Short Bigelow, Julia Joyce Harper Brashear, Ricardo Callejas, Jane Colten, Fay Kenoyer Daily, William A. Daily, Ray Fields Dawson, Thelma F. Engle, R

Journal:

Year:

1989

Language:

english

File:

PDF, 7.23 MB

english, 1989

26

[Advances in Agronomy] Volume 3 || Problems and Progress of Soil Conservation

Harper, Horace J.

Year:

1951

Language:

english

File:

PDF, 3.63 MB

english, 1951

27

Prehelminthosporol and prehelminthosporol acetate: plant growth regulating properties

Cutler, Horace G., Crumley, Farrist G., Cox, Richard H., Davis, Elmer E., Harper, James L., Cole, Richard J., Sumner, Donald R.

Journal:

Journal of Agricultural and Food Chemistry

Year:

1982

Language:

english

File:

PDF, 2.38 MB

english, 1982

28

The Effect of Mydriatic Solutions on Cognitive Function

Dersu, Inci Irak, Spencer, Horace T., Grigorian, Paula A., Evans, Megan, Harper, Richard

Journal:

Seminars in Ophthalmology

Year:

2015

Language:

english

File:

PDF, 220 KB

english, 2015

29

Psychomotor Vigilance and Visual Field Test Performance

Dersu, Inci I., Ali, Tayyeba K., Spencer, Horace J., Covey, Sarah M., Evans, Megan S., Harper, Richard A.

Journal:

Seminars in Ophthalmology

Year:

2015

Language:

english

File:

PDF, 171 KB

english, 2015

30

THE EASILY SOLUBLE PHOSPHORUS CONTENT OF SOIL AS DETERMINED BY ELECTRODIALYSIS, EXTRACTION WITH DILUTE ACID SOLUTIONS, AND CROP RESPONSE TO FERTILIZATION

HARPER, HORACE J.

Journal:

Year:

1933

File:

PDF, 815 KB

1933

31

THE EFFECT OF NATURAL GAS ON THE GROWTH OF MICRO-ORGANISMS AND THE ACCUMULATION OF NITROGEN AND ORGANIC MATTER IN THE SOIL

HARPER, HORACE J.

Journal:

Year:

1939

File:

PDF, 312 KB

1939

32

THE GROWTH OF COTTON IN VARIOUS NUTRIENT SOLUTIONS

HARPER, HORACE J., MURPHY, HENRY F.

Journal:

Year:

1928

File:

PDF, 339 KB

1928

33

THE DETERMINATION OF AMMONIA IN SOILS

HARPER, HORACE J.

Journal:

Year:

1924

File:

PDF, 429 KB

1924

34

HILL FERTILIZATION STUDIES ON THE UTILIZATION OF THE PHOSPHORUS IN ACID PHOSPHATE BY CORN

HARPER, HORACE J., BAKER, W. G., BOATMAN, BRYAN, BOATMAN, J. L.

Journal:

Year:

1927

File:

PDF, 259 KB

1927

35

A REVISED METHOD FOR THE MICROSCOPIC EXAMINATION OF NATURAL STRUCTURE AND PORE SPACE IN SOILS

VOLK, GARTH W., HARPER, HORACE J.

Journal:

Year:

1939

File:

PDF, 321 KB

1939

36

THE USE OF OAT STRAW IN A SYSTEM OF SOIL FERTILITY

THOMAS, ROYLE P., HARPER, HORACE J.

Journal:

Year:

1926

File:

PDF, 549 KB

1926

37

AN IMPROVED SOIL SAMPLING TUBE

HARPER, HORACE J.

Journal:

Year:

1931

File:

PDF, 215 KB

1931

38

Chemical Composition of Certain Aquatic Plants

Harper, Horace J., Daniel, Harley A.

Journal:

Botanical Gazette

Year:

1934

Language:

english

File:

PDF, 363 KB

english, 1934

39

The Use of Sodium Chlorate in the Control of Johnson Grass1

Harper, Horace J.

Journal:

Agronomy Journal

Year:

1930

File:

PDF, 176 KB

1930

40

Effect of Clipping Small Grains on Composition and Yield of Forage and Grain1

Hubbard, V. C., Harper, Horace J.

Journal:

Agronomy Journal

Year:

1949

File:

PDF, 639 KB

1949

41

Some Factors which Affect the Inoculation of Soybeans1

Harper, Horace J., Murphy, Henry F.

Journal:

Agronomy Journal

Year:

1928

File:

PDF, 231 KB

1928

42

4. Studies on the Nitrification of Ammonium Sulfate in Soil1

Harper, Horace J., Boatman, Bryan

Journal:

Agronomy Journal

Year:

1926

File:

PDF, 216 KB

1926

43

An Effective Barrier for Controlling the Migration of Chinch Bugs

Harper, Horace J., Haston, Clyde D.

Journal:

Agronomy Journal

Year:

1929

File:

PDF, 98 KB

1929

44

A Study of the Thiocyanate Test for Acid Soils, with Particular Regard to Various Organic Solvents 1

Harper, Horace J.

Journal:

Agronomy Journal

Year:

1925

Language:

english

File:

PDF, 133 KB

english, 1925

45

Conservation of Natural Resources, 2nd Edition

Harper, Horace J.

Journal:

Agronomy Journal

Year:

1959

Language:

english

File:

PDF, 46 KB

english, 1959

46

Effect of Row Spacing on the Yield of Small Grain Nurse Crops1

Harper, Horace J.

Journal:

Agronomy Journal

Year:

1946

File:

PDF, 238 KB

1946

47

A Modified Sulfocyanate Procedure for The Determination of Small Quantities of Iron

Daniel, Harley A, Harper, Horace J

Journal:

Journal of AOAC International

Year:

1934

File:

PDF, 441 KB

1934