7Blackman P G, Davise W J. Root to shoot communication in maize plants of the effects of soil drying[J]. Journal of Experimental Botany, 1985, 36: 39-48.
8赵庚义 孟淑娥 车立华.蔬菜电热温床育苗[J].辽宁农业科学,1995,(1):42-45.
9Engels C. Differences between maize and wheat in growth-related nutrient demand and uptake of potassium and phosphorus at suboptimal root zone temperatures[J]. Plant and Soil, 1993, 150(1): 129-138.
10Martínez-García P E, Catalá-Forner M M, Romero-Aranda R, et al. Root zone heating of gerbera in rockwool[J]. Acta Horticulturae, 1989, 246: 45-52.