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1

The Effect of Phosphorus Manuring on the Amount of Inorganic Phosphorus in Flat Turnip Roots.

Hartwell, Burt L., Hammett, Frederick S.

Journal:

Industrial & Engineering Chemistry

Year:

1911

Language:

english

File:

PDF, 283 KB

english, 1911

2

2B. The Development of Toxic Conditions 1

Hartwell, Burt L.

Journal:

Agronomy Journal

Year:

1926

Language:

english

File:

PDF, 58 KB

english, 1926

3

The Availability of the Insoluble Nitrogen in Certain Commercial Fertilizers.

Hartwell, Burt L., Pember, F. R.

Journal:

Industrial & Engineering Chemistry

Year:

1911

Language:

english

File:

PDF, 410 KB

english, 1911

4

THE BEHAVIOR OF CERIUM, LANTHANUM, NEODYMIUM, PRASEODYMIUM, THORIUM AND ZIRCONIUM TOWARD ORGANIC BASES. 1

Hartwell, Burt Laws

Journal:

Journal of the American Chemical Society

Year:

1903

Language:

english

File:

PDF, 471 KB

english, 1903

5

THE ACTIVITY AND AVAILABILITY OF INSOLUBLE NITROGEN IN FERTILIZERS AS SHOWN BY CHEMICAL AND VEGETATION TESTS

Pember, F. R., Hartwell, Burt L.

Journal:

Industrial & Engineering Chemistry

Year:

1916

Language:

english

File:

PDF, 2.21 MB

english, 1916

6

The Effect of the “Wet Process” on the Availability of Low-Grade Nitrogenous Materials.

Hartwell, Burt L., Pember, F. R.

Journal:

Industrial & Engineering Chemistry

Year:

1912

Language:

english

File:

PDF, 404 KB

english, 1912

7

THE EFFECT OF DICALCIUM SILICATE ON AN ACID SOIL

HARTWELL, BURT L., PEMBER, F. R.

Journal:

Year:

1920

File:

PDF, 153 KB

1920

8

THE PRESENCE OF ALUMINUM AS A REASON FOR THE DIFFERENCE IN THE EFFECTS OF SO-CALLED ACID SOIL ON BARLEY AND RYE

HARTWELL, BURT L., PEMBER, F. R.

Journal:

Year:

1918

File:

PDF, 1.08 MB

1918

9

LIME REQUIREMENTS AS DETERMINED BY THE PLANT AND BY THE CHEMIST

HARTWELL, BURT L., PEMBER, F. R., HOWARD, L. P.

Journal:

Year:

1919

File:

PDF, 214 KB

1919

10

Need for Lime as Indicated by Relative Toxicity of Acid Soil Conditions to Different Crops1

Hartwell, Burt L.

Journal:

Agronomy Journal

Year:

1921

Language:

english

File:

PDF, 84 KB

english, 1921

11

Field Crop Response to the Ingredients of Potassium Salts1

Hartwell, Burt L., Damon, S. C., Crandall, F. K.

Journal:

Agronomy Journal

Year:

1924

File:

PDF, 93 KB

1924

12

The Effect in Pot Culture of Green Manure in Different Stages of Growth and Decomposition, on the Subsequent Crop1

Hartwell, Burt L., Pember, F. R.

Journal:

Agronomy Journal

Year:

1924

File:

PDF, 64 KB

1924

13

Relative Lime Needs of Sulfate of Ammonia and Nitrate of Soda and of Different Crops1

Hartwell, Burt L., Damon, S. C.

Journal:

Agronomy Journal

Year:

1927

File:

PDF, 99 KB

1927

14

Six Years' Experience in Improving a Light, Unproductive Soil1

Hartwell, Burt L., Damon, S. C.

Journal:

Agronomy Journal

Year:

1921

File:

PDF, 73 KB

1921

15

Plant Nutrition in Relation to a General Soil Fertility Program 1

Hartwell, Burt L., Abbott, J. B., Jones, J. P., Morgan, M. F.

Journal:

Agronomy Journal

Year:

1925

File:

PDF, 78 KB

1925

16

How Some Crops Affect Succeeding Crops 1

Journal:

Agronomy Journal

Year:

1927

Language:

english

File:

PDF, 77 KB

english, 1927

17

The Manurial Value of A Modification of Orthoclase-Bearing Rock where only Potassium was Deficient 1

Hartwell, Burt L.

Journal:

Agronomy Journal

Year:

1919

File:

PDF, 52 KB

1919

18

Viability and Composition of “Seed” Potatoes as Affected by Climatic Conditions and by Various Other Factors 1

Wessels, Philip H., Hartwell, Burt L.

Journal:

Agronomy Journal

Year:

1927

Language:

english

File:

PDF, 290 KB

english, 1927

19

Report of the Representatives of the A. O, A. C. on the Board of Governors of the Crop Protection Institute of the National Research Council

Hartwell, Burt L, Patterson, H J

Journal:

Journal of AOAC International

Year:

1928

File:

PDF, 196 KB

1928

20

Report of the Representatives of the A. O. A. C. on the Board of Governors of the Crop Protection Institute of the National Research Council

Hartwell, Burt L, Patterson, H J

Journal:

Journal of AOAC International

Year:

1927

File:

PDF, 139 KB

1927

21

Report of Representatives on the Roard of Governors of the Crop Protection Institute of the National Research Council

Hartwell, Burt L, Patterson, H J

Journal:

Journal of AOAC International

Year:

1923

File:

PDF, 146 KB

1923

22

Standards of Attempted Separation, by the Permanganate Methods, of the better and the Poorer Quality of Insoluble Fertilizer-Nitrogen

Hartwell, Burt L, Pember, F R

Journal:

Journal of AOAC International

Year:

1923

File:

PDF, 287 KB

1923

23

Report of the Representatives on the Board of Governors of the Crop Protection Institute of the National Research Council

Hartwell, Burt L, Patterson, H J

Journal:

Journal of AOAC International

Year:

1924

File:

PDF, 181 KB

1924

24

Report of the Representatives of the A.O.A.C. on the Board of Governors of the Crop Protection Institute of the National Research Council

Hartwell, Burt L, Patterson, H J

Journal:

Journal of AOAC International

Year:

1926

File:

PDF, 180 KB

1926

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