Raising ducks

The video discusses Callaway's five years of experimentation, demonstrating that even the most depleted land can be revitalized for diverse production. It also explores innovative farming operations, such as duck raising, which are feasible for farms with limited capital and machinery.

How long did the experimentation last?

What can be done to depleted land according to the text?

What is the current status of Callaway mentioned in the text?

What operations is Callaway trying out?

What does the text suggest about farms with small capital?