Robert Alexander Gardner

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1) The nitrogen requirement of sugar beets

Author

Gardner, Robert Alexander

Series

Technical bul volume 28

Pub. Date

1942.

2) Nitric nitrogen in the soils of the Arkansas valley

Author

Gardner, Robert Alexander

Series

Technical bul volume 6

Pub. Date

1934.

3) Why is subsoil unproductive?

Author

Gardner, Robert Alexander

Series

Bulletin volume 464

Pub. Date

1941.

4) Slick spots in western Colorado soils

Author

Gardner, Robert Alexander

Series

Technical bul volume 20

Pub. Date

1937.

5) The use of sugar beet petioles as indicators of soil fertility needs

Author

Gardner, Robert Alexander

Series

Technical bul volume 14

Pub. Date

1935.

6) Cultural factors affecting sour cherry production in Colorado

Author

Series

Bulletin volume 471

Pub. Date

1942.

7) Comparison of methods for estimating available phosphorus in alkaline calcareous soils

Author

Hockensmith, R. D

Series

Technical bul volume 2

Pub. Date

1933.