What agriculture is mainly developed in the northern part of China's four major regions?

The northern region mainly develops dry land agriculture. Most areas in the north belong to warm temperate zone, middle temperate zone, semi-humid zone and temperate monsoon climate zone, and the hydrothermal conditions are suitable for developing dry land agriculture. The main crops are wheat, corn, cotton, soybeans, sorghum and peanuts.

The northern region is located in the north of Qinling-Huaihe line, south of Inner Mongolia Plateau, east of Daxinganling and Wushaoling, accounting for about 20% of the country's total area and 40% of the population, of which the Han nationality accounts for the vast majority.

Some northern provinces are major grain-producing provinces, such as Heilongjiang (with the highest total output), Jilin (with the highest yield per unit area), Henan, Shandong, Liaoning and other provinces. Crops such as corn, rice, soybean, sorghum and spring wheat are mainly planted in Northeast China, while crops such as winter wheat, corn and soybean are mainly planted in North China. The staple food in Northeast China is rice, which produces high-quality Northeast rice. The staple food in northern China is pasta. The northern region is rich in temperate fruits, such as apples, pears, peaches, apricots, persimmons, dates and grapes. There are also rich local specialties, such as "Three Treasures in Northeast China" (ginseng, velvet antler, mink), Luoyang peony, Lanzhou white melon and so on.