Page 22 - Azerbaijan State University of Economics

XiaolinQu, M.S., Lal K. Almas: The water requirement and profitability analysis of corn using irrigation
management approaches including evapotranspiration and weather data

Table 4: Profit Maximization ($/acre) of corn at optimum level of total available
water under alternative combinations of corn and natural gas price
P NG ($/mcf) P corn ($/bushel)
3 3.5 4 4.5 5 5.5 6 6.5 7 7.5
2 0.86 100.53 201.47 303.26 405.65 508.47 611.62 715.02 818.62 922.37
2.5 -8.99 89.97 190.39 291.78 393.84 496.40 599.32 702.53 805.97 909.58
3 -18.54 79.69 179.55 280.50 382.22 484.49 587.18 690.19 793.45 896.91
3.5 -27.77 69.67 168.94 269.43 370.78 472.75 575.19 677.99 781.07 884.37
4 -36.69 59.92 158.56 258.57 359.53 461.18 563.36 665.93 768.82 871.96
4.5 -45.29 50.43 148.42 247.92 348.47 449.79 551.68 654.02 756.71 859.67
5 -53.58 41.22 138.52 237.48 337.60 438.56 540.17 642.26 744.73 847.51
5.5 -61.56 32.27 128.85 227.24 326.91 427.51 528.80 630.63 732.88 835.47
6 -69.23 23.60 119.41 217.22 316.41 416.63 517.60 619.16 721.17 823.56
6.5 -76.58 15.19 110.21 207.40 306.10 405.91 506.55 607.82 709.59 811.77
7 -83.62 7.05 101.24 197.79 295.98 395.37 495.66 596.63 698.15 800.10

Table 5: Optimum level of irrigation application (acre-inch) for corn
under alternative combinations of corn and natural gas price
P NG ($/mcf) P corn ($/bushel)
3 3.5 4 4.5 5 5.5 6 6.5 7 7.5
2 23.07 23.71 24.19 24.56 24.86 25.10 25.31 25.48 25.63 25.75
2.5 22.78 23.46 23.97 24.37 24.68 24.94 25.16 25.34 25.50 25.64
3 22.48 23.20 23.75 24.17 24.51 24.78 25.01 25.21 25.37 25.52
3.5 22.19 22.95 23.52 23.97 24.33 24.62 24.86 25.07 25.25 25.40
4 21.89 22.70 23.30 23.77 24.15 24.46 24.72 24.93 25.12 25.28
4.5 21.59 22.44 23.08 23.58 23.97 24.30 24.57 24.80 24.99 25.16
5 21.30 22.19 22.86 23.38 23.80 24.14 24.42 24.66 24.87 25.04
5.5 21.00 21.94 22.64 23.18 23.62 23.98 24.27 24.52 24.74 24.93
6 20.71 21.68 22.42 22.99 23.44 23.81 24.12 24.39 24.61 24.81
6.5 20.41 21.43 22.19 22.79 23.26 23.65 23.98 24.25 24.49 24.69
7 20.12 21.18 21.97 22.59 23.09 23.49 23.83 24.11 24.36 24.57

Table 6: Profit Maximization ($/acre) of corn at optimum level of irrigation
application under alternative combinations of corn and natural gas price
P NG ($/mcf) P corn ($/bushel)
3 3.5 4 4.5 5 5.5 6 6.5 7 7.5
2 17.74 124.13 231.14 338.56 446.27 554.18 662.25 770.44 878.73 987.09
2.5 6.07 112.13 218.89 326.11 433.66 541.45 649.41 757.51 865.72 974.01
3 -5.45 100.25 206.74 313.76 421.14 528.79 636.64 744.64 852.77 960.99
3.5 -16.82 88.51 194.71 301.51 408.71 516.22 623.95 731.85 839.89 948.03
4 -28.03 76.89 182.80 289.36 396.37 503.73 611.33 719.12 827.07 935.14
4.5 -39.10 65.40 170.99 277.31 384.13 491.32 598.79 706.47 814.32 922.30
5 -50.02 54.04 159.30 265.35 371.97 478.99 586.32 693.88 801.63 909.52
5.5 -60.78 42.81 147.72 253.50 359.90 466.75 573.93 681.36 789.00 896.80
6 -71.40 31.71 136.25 241.75 347.93 454.58 561.61 668.91 776.44 884.14
6.5 -81.86 20.74 124.90 230.10 336.04 442.50 549.37 656.54 763.95 871.55
7 -92.18 9.89 113.66 218.56 324.24 430.51 537.20 644.23 751.51 859.01

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