How does France's physical geography contribute to its agriculture?

France's diverse physical geography, including its varied climate, fertile plains, and extensive river systems, significantly contributes to its agricultural productivity. The temperate climate, particularly in regions like the Loire Valley and Provence, supports a wide range of crops, including grapes, wheat, and fruits. The rich soils, especially in areas like the Champagne and Rhône valleys, enhance crop yields. Additionally, the presence of rivers facilitates irrigation and transportation, further boosting agricultural efficiency and trade.