The most important factor that determines the rate of agricultural development in a country is the
- number of machinery available in the country
-
readiness of farmers to adopt viable agricultural research results
- quantity of herbicides used in the country
- provision of raw materials for industries
The correct answer is: B
Explanation
The most important factor that determines the rate of agricultural development in a country is the readiness of farmers to adopt viable agricultural research results. This is because the adoption of new and improved farming techniques and practices can significantly increase agricultural productivity and efficiency, leading to increased agricultural development. The other options do not directly determine the rate of agricultural development.