Food production: technology and the resource base von Wittwer, S H

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Practices for increasing yields of greenhouse lettuce / by S.H. Wittwer, S. Honma and W.M. Robb : v.22(1964) von Wittwer, S. H. 1917

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Growing fall potatoes / S.H. Wittwer and Aubrey D. Hibbard : v.301(1945) von Wittwer, S. H. 1917

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The Next Generation of Agricultural Research von Wittwer, S. H.

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Absorption and Mobility of Foliar Applied Nutrients von Bukovac, M. J., Wittwer, S. H.

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Subcellular Localization of Zinc and Calcium in Bean (Phaseolus vulgaris L.) Tissues von Rathore, V. S., Bajaj, Y. P. S., Wittwer, S. H.

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Gibberellin Effects on Temperature and Photoperiodic Requirements for Flowering of Some Plants von Wittwer, S. H., Bukovac, M. J.

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Chemical Regulation of Flower Sex Expression and Vegetative Growth in Cucumis sativus L von Wm. D. Mitchell, Wittwer, S. H.

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Comparative Biological Effectiveness of the Gibberellins von BUKOVAC, M. J, WITTWER, S. H

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Penetration of Ions through Isolated Cuticles von Yamada, Y., Wittwer, S. H., Bukovac, M. J.

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Some Effects of Gibberellin on Flowering and Fruit Setting von Wittwer, S. H., Bukovac, M. J., Sell, H. M., Weller, L. E., I. E. Weller

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Anesthetization by Di-Ethyl Ether and the Transport of Foliar Applied Radiocalcium von Bukovac, M. J., Wittwer, S. H., Tukey, H. B.

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Flame Photometric Determination of Calcium, Strontium, and Barium in Mixture von Hinsvark, O. N, Wittwer, S. H, Sell, H. M

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Ion Binding by Surfaces of Isolated Cuticular Membranes von Yamada, Y., Bukovac, M. J., Wittwer, S. H.

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N6-BENZYLADENINE: INHIBITOR OF RESPIRATORY KINASES von TULI, V, DILLEY, D R, WITTWER, S H

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Absorption of Nutrients by Stems and Branches of Woody Plants von Tukey, H. B., Ticknor, R. L., Hinsvark, O. N., Wittwer, S. H.

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Ion absorption by leaves von Kannan, S, Wittwer, S H

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Response of Plants to Root-absorbed Chemical Growth Substances applied in Culture Solutions von MITCHELL, W. D, WITTWER, S. H

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Chemical Induction of Male Sterility in Cucurbits von Wittwer, S. H., Hillyer, I. G.

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The Effect of Preharvest Foliage Sprays of Certain Growth Regulators on Sprout Inhibition and Storage Quality of Carrots and Onions von Wittwer, S. H., Sharma, R. C., Weller, L. E., Sell, H. M.

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