Farmers wouldn't be farmers without agriculture, and agriculture wouldn't be agriculture without farmers. Simple as that.
Agriculture means the study of a culture or study of its foods
agri = agriculture, esp. in relation to technology or business
well substances of agriculture mean the substances that the ground holds like dirt
agriculture
Before agriculture
farming to goods
Yes, spices were grown in primitive agriculture. Sure, if by primitive agriculture you mean horticulture, seasoning plants definitely count as primitive agriculture, supplementary to hunting and gathering.
What does very simple mean
Agriculture is farming. Yields is what you get out of it. So it's about how successful, how much money, farming brings in.
Agriculture and manufacturing
what is a variety trial