<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is the importance of crop rotation? Context: Crop rotation is important for preventing soil erosion, improving soil fertility, and reducing pest and weed infestations. Answer: [/INST]Crop rotation helps prevent soil erosion, improves soil fertility, and reduces pest and weed infestations.</s>