Thompson, H. C. Pruning and training tomatoes. Cornell Exp. Sta. Bul. 580. 1934.
Watts, V. M. Pruning and training tomatoes in Arkansas. Ark. Exp. Sta. Bul. 292. 1933.
Hibbard, R. P. The various effects of frost protectors on tomato plants. Mich. Exp. Sta. Tech. Bul. 124. 1932.
Thompson, H. C. Experimental studies of the effects of cultivation of certain vegetable crops. Cornell Expt. Sta. Memoir 107. 1927.
Physiology
Kraus, E. J. and Kraybill, H. R. Vegetation and reproduction with special reference to the tomato. Ore. Exp. Sta. Bul. 149. 1918. Biblio.
Work, Paul. Nitrate of soda in the nutrition of the tomato. Cornell Exp. Sta. Memoir 75. 1924.
Arthur, J. M., Guthrie, J. D. and Newell, John M. Some effects of artificial climates on the growth and chemical composition of plants. Amer. Jour. of Botany, 17: 416-482. 1930.
Murneek, A. E. Physiology of reproduction in horticultural plants. (1) Reproduction and metabolic efficiency in the tomato. Mo. Exp. Sta. Research Bul. 90. 1926.