Final answer:
John Deere should focus on product differentiation, invest in research and development, and maintain a strong brand image and customer loyalty to survive in the maturity phase of the industry life cycle.
Step-by-step explanation:
In order to survive in the maturity phase of the industry life cycle, John Deere should consider implementing a few strategies. Firstly, it should focus on product differentiation by offering unique features or services that set its products apart from competitors. Additionally, it should invest in research and development to stay ahead of emerging trends and technologies in the industry. Lastly, John Deere should maintain a strong brand image and customer loyalty through effective marketing and customer relationship management strategies.