Final answer:
The main objective of the seed village concept is to involve farmers in training for quality seed production to make quality seeds available at the right time and affordable costs. Therefore, the correct option is B.
Step-by-step explanation:
The main objective of the seed village concept is most accurately described as (b) involving the farmers for training in quality seed production and thereby to make available quality seeds to others at appropriate time and affordable cost. This concept focuses on empowering farmers to produce superior quality seeds through proper training, which in turn can be distributed to other farmers.
It ensures the availability of local, reliable, and cost-effective seed options, supporting agricultural sustainability and improving crop yields. This approach aligns with historical shifts in farming practices, where advancements in agricultural research, hybrid seeds, and understanding plant biology have greatly shaped modern agriculture.