Harvesting the Firstfruits

Pentecost celebrates the first-fruit harvest of grain.  Since it is a type of the spiritual first-fruit harvest, can the physical process of harvesting grain help us understand how God is "harvesting" those whom He has called into His church?  

Since 1972 Randy has served congregations in California, Colorado, Montana, Idaho, Wyoming, Nevada , Arizona, New Mexico and is now back in Colorado. Randy and his wife Kay have presented "Marriage and Relationship" seminars in United Church of God congregations and Feast sites in the US and other parts of the world. They also implemented the "Deuteronomy 6 Youth Instruction lessons and Family Guides" for the United Church of God. Randy is currently retired - but serves as an associate pastor for the Albuquerque congregation, and as an elder in Colorado Springs..