Water-Saving Benefit Model Analysis of Plain Reservoirs in Arid Areas Based on Nonlinear Data Prediction under Floating Ball Cover

Table 3

Material cost analysis.

Floating ball coverage %	Unit price yuan/	Coverage area	Total price ten thousand yuan	Water saving rate %	Water saving amount
25	150	5775 × 25%	21.66	18.3	3006.67
50	150	5775 × 50%	43.31	33.0	5421.86
75	150	5775 × 75%	64.97	45.8	7524.88
91	150	5775 × 91%	78.83	57.8	9496.47