What are the impacts of socio-economic factors on agriculture in monsoon paddy fields?

Socio-economic factors of developing monsoon paddy agriculture in southern China: the southern region is densely populated and rich in labor, and monsoon paddy agriculture is labor-intensive agriculture; Rice planting in southern China has a long history and rich experience. Southerners like to eat rice, and the rice consumption market is broad; The population in southern China has great pressure on cultivated land, so planting rice can alleviate the food problem.