9Amsing J J. Spread and development of Pratylenchus vulnus populations: ebb and flow ideal for attacks by root nematodes[J]. Vakblad voor de Bloemisterii, 1990, 45:34-37.
10Runia W T, Serra G, Tognoni F, et al. Disinfection of recirculation water from closed cultivtion systems with ozone[J]. Acta Horticulturae, 1994, 361: 388-402.
