Fertilizer injectors are calibrated a minimum of once during the production season. EC and pH are adjusted to normal ranges. 5 pts 12. In bag culture or hydroponics, when lowering plants, horizontal stems are kept off the greenhouse floor by stakes or other means to reduce Botrytis. 5 pts 13.
Horizontal airflow is maintained to improve air movement through the crop canopy.
5 pts 14. If workers come from a tomato field, they change clothes and boots, and scrub their hands before entering the greenhouse. Only pesticides approved and registered in the state are used. Records of pesticide applications including date, location, targeted pest, pesticide name, formulation, rate and area treated, and environmental conditions are maintained. Pesticide drift is minimized.