Knowledge of nursery management and operation, seedling production, and familiarity with various agricultural operations from land preparation to harvest, knowledge of protected cultivation operations and protected crop management, and familiarity with the principles of farm management, organizing agricultural operations, and supervising workflow. Knowledge of agricultural pest control principles and the application of integrated pest management programs, the ability to diagnose plant diseases and insect pests and determine appropriate control methods. Knowledge of preparing fertilization programs according to crop needs and growth stages, familiarity with irrigation programs, crop water requirements, and their management methods. Knowledge of tree pruning operations, crop care, and improving production quality.