What is the distinctive type of agriculture practiced in the population concentrations of East and South Asia, and how does this relate to concerns over the world's growing population and environmental problems?

Plantation agriculture.

Explanation:

The parts of the east and southeast Asia lies in the region of china and that of Indian and the islands of the Indonesia these communities cultivate and domesticate crops that have commercial value and the crops include the paddy cultivation and the cultivation of sugarcane and other plantation crops. Thus this system of the agriculture in the south and east Asia is that of the Japanese know or the cultivation of the rice and the millets as these cities are the most populated nations in Asia and thus have rice as the major crops that are grown on a large scale to meet the growing demands and the needs of the growing population. But various problems are related to this type pf the cultivation as the environmental problems of the agricultural runoff and the runoff system that is influenced by the presence of the pesticides and the other toxic chemicals that harm and degrade the quality and the quantity of the soil and the water system and thus this impacts the environment to a greater extent.