Which crop gives higher protein recovery per unit area?

From the given options Carrot gives higher protein recovery per unit area.
Raw carrot have 88% water, 9% carbohydrates, 0.9% protein, 2.8% dietary fiber, 1% ash and 0.2% Fat.
Carrot is one of the important root vegetables rich in bioactive compounds like carotenoids and dietary fibers with appreciable levels of several other functional components having significant health-promoting properties.
The consumption of carrots and their products is increasing steadily due to their recognition as an important source of natural antioxidants having anticancer activity.