Effects of different application rates of calcium cyanamide on soil microbial biomass and enzyme activity in cucumber continuous cropping. Effect of soil solarization with calcium cyanamid and organic manure amendments on greenhouse root-knot nematodes and cucumber plants Effects of Calcium Cyanamide and Salicylic Acid on Dormancy-release of Grape Bud Effects of Calcium Cyanamide and Salicylic Acid on Dormancy-release of Grape Bud