for it is the solemnity of the harvest of the first-fruits of your work, of whatever you have sown in the field. Likewise, it is a solemnity at the end of the season, when you will have gathered in all your crops from the field
Other versions
King James Version
And the feast of harvest, the firstfruits of thy labours, which thou hast sown in the field: and the feast of ingathering, which is in the end of the year, when thou hast gathered in thy labours out of the field.English Standard Version
You shall keep the Feast of Harvest, of the firstfruits of your labor, of what you sow in the field. You shall keep the Feast of Ingathering at the end of the year, when you gather in from the field the fruit of your labor.New International Version
"Celebrate the Feast of Harvest with the firstfruits of the crops you sow in your field. "Celebrate the Feast of Ingathering at the end of the year, when you gather in your crops from the field.