Efforts to modernize agriculture in Manipur include:

The correct answer is: d) All of the above.

Efforts to modernize agriculture in Manipur include:

• Introduction of high-yielding varieties: This involves introducing new varieties of crops that are more productive than traditional varieties. This can be done through research and development, or by importing seeds from other countries.
• Promoting mechanization: This involves introducing machines to do tasks that were previously done by hand. This can lead to increased productivity and efficiency.
• Improving post-harvest management: This involves improving the way that crops are harvested, stored, and transported. This can help to reduce losses and improve the quality of the final product.

These efforts are important because they can help to increase agricultural production and improve the livelihoods of farmers in Manipur.