Concept:Capital refers to assets used in agricultural production, while labour is a distinct factor of production.
Explanation:In agriculture, capital includes physical and financial assets that help generate income over time.
Examples of agricultural capital include tree crops, livestock, and machinery.
These are man-made or biological resources used to produce farm output.
Labour, however, is the human effort involved in production and is not classified as capital.
Therefore, the item that is not part of agricultural capital is labour.
Answer:C. labour