Table 1 Composition of the questions in this survey

Classification	The first survey	The second survey (added questions)
General information	School nameNumber of classes and studentsLocation of school	Type of schoolNumber of employees
Construction	Year of constructionType of school gardenArea of school gardenSubject of setting upFacility in school garden	Purpose for setting up school gardenSecurement of space for school gardenSatisfaction about school garden
Operational management	Subject of runningAnnual school garden budgetDifficulty in running school garden	Selection plants for school gardenWay to dispose of farm produce sewageAcquisition method of information about gardeningTraining contents necessary for managing gardensLack of managing school gardenPlan for grant useThe most necessary for managing school garden
Facility supporting	Available of material supportingStatus of material supportingSatisfaction of material preparation method
Education	Presence of education programGrades involved in the activityInstructor of gardening classes	Classes or time when the school garden is usedAcademic subject in which the school garden is usedCurrent and desired gardening class intervalHow to prepare materials for gardening classesSatisfaction of school garden on studentsDifficulty in continuing gardening classes
Number of the questions	19	49