1. Bedford, The Duke of, andPickering, S. U. (1916). The fruiting of trees in consecutive seasons.Fifteenth Rep. Woburn exp. Fruit Farm, 2–3.
2. Freeman, G. H., andBolas, B. D. (1956). A method for the rapid determination of leaf areas in the field.Rep. E. Mailing Res. Sta. for 1955, 104–7.
3. Gregory, F. G. (1918). Physiological conditions in cucumber greenhouses.Rep. exp. Res. Sta. Cheshunt for 1917, 19–28.
4. Mason, T. G., andMaskell, E. J. (1928). Studies on the transport of carbohydrate in the cotton plant. 2. The factors determining the rate and the directions of movement of sugar.Mem. Cotton Res. Sta. Trin. Ser. B, 2.
5. Priestley, C. A. (1962). Carbohydrate resources in the perennial plant.Tech. Commun. Bur. hort. and Plant. Crops, 27.