Most economic and satisfactory method for preserving forage crop is -

Correct option is D

· Correct answer: (d) Making hay
· Making hay is the most economically efficient and satisfactory method for preserving forage crops, as it helps in maintaining nutritional value and ease of storage.
Other options:
· (a) Making bundles: Less efficient compared to making hay for preserving forage.
· (b) Making straw: Straw is typically used for bedding or as a low-quality forage.
· (c) Making heap: Not the most effective or economical method for preserving forage crops.