Large amounts of nitrogen may increasethe incidence of bacterial soft rots.Harvesting:o Pak choy is usually harvested by hand, cut off at the base 35 to 50 days after sowing (2-4 weeks after transplanting).o Harvest when leaves are fresh and crisp, and before the outer leaves turn yellow.Post-harvest handling:o Remove any dead or damaged leaves, trim the base and wash the plant.o Harvested pak cho