Concepedia

Robert R. Coltman

RR

13

Publications

320

Citations

13

H-Index

1982

Active since

Affiliations

University of Hawaii System(Current)

University of Wisconsin–Madison

University of California, Davis

Oregon State University

Robert R. Coltman is an author at University of Hawaii System specializing in botany, plant physiology, and agricultural economics.

Top concepts

Publications per year

1982–2004

13

Publications

13

Differential Tolerance of Tomato Strains to Maintained and Deficient Levels of Phosphorus

Robert R. Coltman, G. C. Gerloff, W. H. Gabelman · Journal of the American Society for Horticultural Science · 1985 · 39 citations · Full text

, , +18

Productivity Under Shade in Hawaii of Five Crops Grown as Vegetables in the Tropics

Xenia Y. Wolff, Robert R. Coltman · Journal of the American Society for Horticultural Science · 1990 · 36 citations · Full text

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Yields of Greenhouse Tomatoes Managed to Maintain Specific Petiole Sap Nitrate Levels

Robert R. Coltman · HortScience · 1988 · 35 citations · Full text

, , +11

Sampling Considerations for Nitrate Quick Tests of Greenhouse-grown Tomatoes

Robert R. Coltman · Journal of the American Society for Horticultural Science · 1987 · 33 citations · Full text

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A Sand Culture System for Simulating Plant Responses to Phosphorus in Soil1

Robert R. Coltman, G. C. Gerloff, W. H. Gabelman · Journal of the American Society for Horticultural Science · 1982 · 33 citations · Full text

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