California.

California is the most agriculturally developed state in the United States and the country’s largest “vegetable basket”, providing 32% of the country’s vegetables. Its cereal cultivation is even more prominent, accounting for 15.54% of the country's total, ranking first in the country. California's rice production is also very important, accounting for 18% of the country's output; its yield ranks first in the United States, with nearly 9,000 kilograms per hectare, 40% higher than the national level.