3Donal E C. Infuence of particle size and application method on the efficacy of calcium cyanamide for control of clubroot of vegetable brassieas [J]. Crop Protection, 2004 ( 23 ) : 297-303.
4Tremhlay N,Belec C,Coulomhe J ,et al. Evaluation of calci- um cyanamide and liming for control of clubroot disease in cauliflower[J]. Crop Protection,2005,24(9) :798-803.
5Bletsos F A. Grafting and calcium cyanamide as alternatives to methyl hroinide for greenhouse eggplant produetion[J]. Scientia Horticulturae, 2006,107(4) : 325-331.
