The cultivation of fodder crops is being promoted in Karnataka to address:

Feed shortages
Enhance livestock productivity
Improve soil fertility
All of the above

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

Fodder crops are grown to provide food for livestock, such as cattle, sheep, and goats. They are an important part of the livestock industry, and their cultivation can help to address a number of challenges facing the sector.

One of the biggest challenges facing the livestock industry is feed shortages. With the increasing demand for meat and dairy products, there is a growing need for high-quality feed. Fodder crops can help to meet this demand by providing a sustainable and affordable source of food for livestock.

In addition to addressing feed shortages, fodder crops can also help to enhance livestock productivity. By providing animals with a nutritious diet, fodder crops can help them to grow faster, produce more milk, and reproduce more effectively. This can lead to increased profits for farmers and improved livelihoods for rural communities.

Finally, fodder crops can also help to improve soil fertility. When they are grown in rotation with other crops, they can help to reduce soil erosion and improve the absorption of nutrients. This can lead to healthier soils and higher crop yields.

In conclusion, the cultivation of fodder crops is being promoted in Karnataka to address a number of challenges facing the livestock industry. Fodder crops can help to address feed shortages, enhance livestock productivity, and improve soil fertility.