. . . . . . . . country grows the largest number of vegetable crops in the world.

China is the country that grows the largest number of vegetable crops in the world.
China was the leading producer with a production volume of nearly 594 million metric tons, followed by India with approximately 141.2 million metric tons of fresh vegetables.
China has only 10% of arable land worldwide and produces a quarter of the global grain output. China leads the agricultural production of fruit, vegetables, cereals, cotton, eggs and poultry.