Will adding compost adversely affect the soil I’m growing vegetables in?

Question: I grow vegetables in a field via direct seeding or transplants. I have noticed that when I try to plant I have a lot of clumps. When I squeeze the clumps, they break down easily into small granules. I need to add additional soil to to my growing area. My choices are loam, compost read more Will adding compost adversely affect the soil I’m growing vegetables in?