What are the characteristics of agriculture and animal husbandry production in the cold and arid areas of northern China?

The traditional farming and animal husbandry production in the cold and arid areas of northern China is mainly short-season grain and oil crops such as spring wheat, naked oats, potatoes and flax, and herbivorous livestock such as cattle, sheep, rabbits and pigs. Most of the grain and oil products are for personal use, and livestock are mainly converted pasture and priceless or low-value crop main by-products, most of which are sold as commodities.