To what extent is it possible to increase agricultural production by the use of modern methods?

The agricultural system is now viewed as community of agro farms.

Explanation:

Modern agriculture started in the late 20th century due to the rising needs and demands of food, by the world population.  

The boost of food production has mainly due to scientific advances and newer technology. That includes the developments of varying crop yields along with the use of the pesticides and the fertilizers. The construction of large irrigation systems.

Some practices like the monocropping application of inorganic fertilizers and intensive tillage. Chemical pest control irrigation techniques. The agriculture is now viewed as an agroecosystem and is developed to produce and promote the viable farming communties

Explanation:

1) know the yield potential

2) utilize the best quality fertilizers

3) use best quality seeds

4) use water sprinkler for irrigation

b. 20: 5

explanation:

20% of the worlds population lives in southwest asia, and less than 5% of the world's

land area.