The Influence of Light on Stomatal Density in the Tomato von Gay, A. P., Hurd, R. G.

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The Effect of an Incandescent Supplement on the Growth of Tomato Plants in Low Light von HURD, R. G.

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Changes in Photosynthesis, Carbon Budget and Mineral Content during the Growth of the First Leaf of Cucumber von HO, L. C., HURD, R. G., LUDWING, L. J., SHAW, A. F., THORNELEY, J. H. M., WITHERS, A. C.

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Effect of Light Intensity, Carbon Dioxide Concentration, and Leaf Temperature on Gas Exchange of Spray Carnation Plants von ENOCH, H. Z., HURD, R. G.

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Effect of Night Temperature on Photosynthesis, Transpiration, and Growth of Spray Carnations von HURD, R. G., ENOCH, H. Z.

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The Effect of pH and Bicarbonate Ions on the Uptake of Salts by Disks of Red Beet von HURD, R. G.

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ENERGY SAVING TECHNIQUES IN GREENHOUSES AND THEIR EFFECTS ON THE TOMATO CROP von Hurd, R. G.

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Transmission Error in the Photometric Estimation of Leaf Area von Hurd, R. G., Rees, A. R.

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An Effect of pH on the Uptake of Salt by Plant Cells von HURD, R. G., SUTCLIFFE, J. F.

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Vegetative plant growth analysis in controlled environments von Hurd, R.G

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Effects of CO2-Enrichment on the Growth of Young Tomato Plants in Low Light von HURD, R. G.

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Thermal screens — Environmental and plant studies von Grange, R.I., Hurd, R.G.

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An Analysis of the Growth of Young Tomato Plants in Water Culture at Different Light Integrals and CO2 Concentrations von HURD, R. G., THORNLEY, J. H. M.

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effect of elevated CO2 concentrations in the atmosphere on plant transpiration and water use efficiency. A study with potted carnation plants von Enoch, H.Z, Hurd, R.G

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The response of protected tomatoes and chrysanthemums to radiant heating von Hurd, R.G., Bailey, B.J.

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The Effect of Restricted Germination during Vernalization on First Leaf Length of Winter Rye von HURD, R. G.

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Leaf resistance in a glasshouse tomato crop in relation to leaf position and solar radiation von Hurd, R.G

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An Effect of pH and Bicarbonate on Salt Accumulation by Disks of Storage Tissue von HURD, R. G.

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The Effect of Gibberellic Acid on the Flowering of Spring and Winter Rye von HURD, R. G., PURVIS, O. N.

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Plant Survival Through the Russian Winter von HURD, R. G.

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