Munson RD, Bishop WD, Ellis BG. Po tassium in Agr icultur e. Ma diso n,Wisco nsin, USA, 1985.
[3]
山崎耕宇,杉山达夫, 高桥英一等植物肥料学,博友社, 1993, 73~101.
[4]
Hunber SC. Role of potassium in photo synthesis and respiration. Potassium in Agriculture. American Society of Agronomy,1985,369~396.
[5]
Peoples T R, Koch DW. Plant Physiol, 1979, 63: 878~881.
[6]
Rao Lihua etal. Effect of Potassium on photo synthesis and yield formation of tomato plant. Acta Agricultur ae Universitates Zhejiang ensis, 1989, 15(4): 341~348.
[7]
Jang Weijie, Zhen Guang hua, Jia Weiw ei. Studies o n the effect of N and K concentr ation & N K interaction on tomato growth,yield, quality and its relevant, mathematics models on rockwool. Proceedings of International Symposium on Applied Technology of Greenhouse,Beijing,China,1991,229~240.
[8]
Wilson GCS. Effect of N∶K ratio in hy dr oponic sit uat ion. Acta Ho rticultur ae, 1980, 98: 119~126.
[9]
Chung SJ, Seo BS, Lee BS.Effects of nitrogen, potassiumlev els and their inter action on the growth and development of hydro ponically grown tomato.Journal of the Korean Society for Horticultural Science,1992,33; 244~251.
[10]
Adams P, Massey DM.Nutrent uptake by tomato plants from recir culating solution. Proceedings of the 6th Inter national Congress on Soilless Culture, 1984, 71~80.
[11]
Adams P, Grimmett MM.Some responses of tomato es to t he co ncentr ation of potassium in recir culatingnut rient solutions. Acta Hor ticulturae. 1986, 178: 29~35.
[12]
Holder R, Christensen MH. The effect of elect rical conductivity on growth, yield and composition of cherry tomatoes grown on rockwool. Proceedings of the 7th International Congress on Soiless Culture, 1988,213~228.
[13]
Wilcox GF. Potassium Needs~Diagnosis and Use on Vegetable Crops. Hortscience,1969,4(1):41.
