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2. Photosynthesis in the rose: Effect of light intensity, water potential and leaf age;Aikin;J. Am. Soc. Hortic. Sci.,1975
3. High intensity supplementary lighting of Chrysanthemum stock plants;Anderson;HortScience,1974
4. The effect of leaf age on photosynthesis in rose;Bozarth;J. Am. Soc. Hortic. Sci.,1982
5. Influence of light on the growth of young tomato, cucumber and sweet pepper plants in the greenhouse: effects on relative growth rate, net assimilation rate and leaf area ratio;Bruggink;Scientia Hortic.,1987