Harvest support method and harvest support apparatus

A computer-readable recording medium having a program stored therein for causing a computer to execute a harvest support method, the method comprising:

• determining a day included in a harvest grace period of a first cultivation among a plurality of cultivations of crops as a recommended harvest date of the first cultivation, the day having a minimum interval with a planned harvest date of the first cultivation, the harvest grace period of the first cultivation and the planned harvest date of the first cultivation being stored in a storage unit;
• and
• determining a day included in a harvest grace period of a second cultivation among the plurality of cultivations of crops as a recommended harvest date of the second cultivation, the day having an interval with the planned harvest date of the first cultivation in which the interval is closest to an interval between the planned harvest date of the first cultivation and a planned harvest date of the second cultivation, the harvest grace period of the second cultivation and the planned harvest date of the second cultivation being stored in the storage unit.