600 thousand yuan. According to the information about macadamia nuts, it is known that planting ten acres of macadamia nuts has a profit of 600 thousand yuan a year. Macadamia nuts have a long fruit-bearing period and can't see benefits in a short time. Relevant technical services and guidance in soil, fertilizer and water management, pruning, pest control, fruit harvesting and other links have very broad planting prospects and are worth popularizing.