A Risk-Based Interval Two-Stage Programming Model for Agricultural System Management under Uncertainty

Table 3

Economical parameters presented as discrete intervals.

Economical parameters	Agricultural zone ()
	i = 1	i = 2	i = 3	i = 4	i = 5
⁢Unit net revenue of the agricultural production ($/ha)
Cropland	1820, 1940	1545, 1665	1700, 1820	1630, 1750	1440, 1550
Forestland	1050, 1170	1220, 1340	1270, 1390	1060, 1180	930, 1040
⁢The penalty costs for the excess discharge of the pollutant TN ($/kg)
k = 1	19, 25	21, 28.5	20, 26.5	18, 23.5	18, 23.5
k = 2	21.5, 28.5	24, 32.5	22.5, 30.5	20.5, 27.5	21, 27.5
k = 3	23.5, 33	26.5, 36.5	25, 34.5	23.5, 31.5	24.5, 31.5
⁢The penalty costs for the excess discharge of the pollutant TP ($/kg)
k = 1	39, 51	43, 58	41.5, 53.5	38, 49	38, 49
k = 2	44, 56	49.5, 63.5	47, 58.5	43.5, 54	43, 54
k = 3	51, 60.5	56, 68.5	53.5, 63.5	50, 59	48, 59

Note: the related data are referred to Liu et al. [22].