The correct answer is: a) Rice-fish culture.
Rice-fish culture is a traditional agricultural practice in which rice and fish are grown together in the same paddy field. It is a sustainable and efficient way to produce both food and income. Rice-fish culture has been practiced in Asia for centuries, and it is now being adopted in other parts of the world.
There are several benefits to rice-fish culture. First, it helps to improve soil fertility and water quality. The fish help to control pests and diseases, and they also fertilize the soil with their waste. Second, rice-fish culture can help to reduce the risk of flooding. The fish help to stabilize the soil and prevent erosion. Third, rice-fish culture can help to increase crop yields. The fish provide a source of protein for the farmers, and they also help to control pests and diseases.
Rice-fish culture is a sustainable and efficient way to produce both food and income. It is a traditional agricultural practice that is now being adopted in other parts of the world.
Here is a brief explanation of each option:
- a) Rice-fish culture is a traditional agricultural practice in which rice and fish are grown together in the same paddy field. It is a sustainable and efficient way to produce both food and income. Rice-fish culture has been practiced in Asia for centuries, and it is now being adopted in other parts of the world.
- b) Cage culture is a type of fish farming in which fish are raised in cages that are suspended in water. Cage culture is a popular method of fish farming because it is efficient and allows for high stocking densities. However, cage culture can have negative environmental impacts, such as the spread of diseases and the introduction of invasive species.
- c) Pen culture is a type of fish farming in which fish are raised in pens that are enclosed by nets or fences. Pen culture is a popular method of fish farming because it is relatively inexpensive and easy to manage. However, pen culture can have negative environmental impacts, such as the spread of diseases and the introduction of invasive species.
- d) Integrated fish farming is a type of fish farming in which fish are raised in combination with other agricultural activities, such as rice cultivation or livestock raising. Integrated fish farming can help to improve the efficiency of agricultural production and reduce the environmental impact of fish farming.