Importance of biology to agriculture?

Biology plays a vital role in agriculture because since biology deals with the living things that includes plants that is generally in agriculture they need to learn what kind of plants suites their kind of soil how they can cultivate it and how to plant those and make it grow and also what kind of plant it is. Is it edible for human, and how long before they can harvest and if it is a fruit bearing plant those are just examples on how they are correlated and important the part of biology is.