5Jung TS,Lee KH. The effect of NH4 : NO^3--N ratio on the growth, nitrogen concentration and Ca, Mg and K composition of strawberries grown in nutrient solution. Abstracts of Communicated Papers Horticuhure Abstracts, Korean Society for Horticultural Science,1989, 7: 1, 62~63.
6Lieten F. Strawberry culture: iron in the nutrient solution. Fruitteelt nieuws, 1997, 10: 20, 24~25.
7Lieten F. Strawberry culture on substrate: boron deficiency. Fruitteelt--nieuws, 1998, 11: 17, 6~7.
8Itani Y, Yoshida Y,Fujime Y. Effects of CO2 enrichment on growth, yield and fruit quality of strawberry.grown with rockwool. Environment Control in Biclogy,1998, 36:3, 125~129.
9D Antuono LF,Fiori R,Baruzzi G,et al. Fruit quality in three production systems. Rivista--di--Frutticoltura--e--di--Ortofloricoltura, 2000, 62:12, 69--76.
