Table 1.

Operational definition of farm activities

Farm activity	Operational definition
Bed preparation	The use of hoe, rake and other farm implements to prepare a plot of ground or the soil (farm bed) for planting seedlings of salad crops.
Transplanting	The removal of seedlings from the nursery to be planted on the newly prepared beds
Weeding	The use of hands or hand-held knives to remove small weeds that have mixed with the salad crops
“Forking” (soil tilling)	The use of hand-held knife/fork to turn over the soil to allow air flow. This activity is often done alongside weeding.
Irrigation	The use of watering cans or water hose to apply water to the salad crops.
Manure application	Application of chicken manure with or without the use of protective clothing such as hand gloves