1. Abou-Hadid, A.F., E.M. Abd-Elmoniem, M.Z. EL-Shinawy, and M. Abou-Elsoud. 1996. Electrical conductivity effect on growth and mineral composition of lettuce plants in hydroponic system. Acta Hort. 434:59–66.
2. Armitage, A.M. and M.J. Tsujita. 1979. Supplemental lighting and nitrogen nutrition effects on yield and quality of ‘Forever Yours’ roses. Can. J. Plant Sci. 59:343–350.
3. Bigg, W.L. and J.W. Schalau. 1990. Mineral nutrition and the target seedling, p. 13–60. In: R. Rose, S.T. Campbell, and T.D. Landis (eds.). Target seedling symposium: Proceedings combined meeting of the western forest nursery associations. U. S. Dept. of Agriculture, Oregon.
4. Brown, R.L. 1992. Results of the national survey of pesticides in drinking water wells, p. 16–17. In: Proceedings, Intermountain Forest Nursery Association. U. S. Dept. of Agriculture, Utah.
5. Choi, J.M., J.W. Ahn, J.H. Ku, and Y.B. Lee. 1997. Effect of medium composition on physical properties of soil and seedling growth of red-pepper in plug system. J. Kor. Hort. Sci. 38:618–624.