1. Seedling growth and water uptake by Tilia americana at several root temperatures;Ashby;Bot. Gaz.,1960
2. The effect of soil temperature on the growth of cultivated blueberry bushes;Bailey,1941
3. Soil heating effects on bench-grown chrysanthemums;Barrett;HortScience,1978
4. Chrysanthemum temperature study. C. The effect of night, day and mean temperature upon flowering of Chrysanthemum morifolium;Cathey,1954
5. Possibilities of intensifying gerbera production with special consideration of winter flowering;David;Gartenbau,1973