The planting cost per mu is about 2500 yuan, and the profit is about 4800 yuan. In the first year, the asparagus planting cost per mu was 1 100- 1300 yuan, of which the seed cost was 200-400 yuan, the fertilizer and pesticide cost was about 400 yuan, and the land rent was about 500 yuan, and the cost was about 2,500 yuan. Under normal circumstances, the yield of asparagus per mu will not be less than 800 kg, and the purchase price is about 4,800 yuan per kg in 6 yuan. In the process of planting Arundo donax, attention should be paid to increasing the number of fertilization, which can improve the growth effect of Arundo donax.