Table 2 Itemization of maize planting cost of different treatments during 2018 to 2020.
Treatment | Cost (yuan/ha) | Gross income (yuan/ha) | Net income (yuan/ha) | Benefit cost ratio (%) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Straw return | Potash fertilizer | Seeds | Hoeing and watering | Total cost | Straw return | Potash fertilizer | Seeds | Hoeing and watering | |||
CK | 0 | 0 | 950 | 750 | 1700 | 11,773.95 | 11,773.95 | 0.00 | 0.00 | 8.78 | 6.80 |
SFK0 | 750 | 0 | 950 | 750 | 2450 | 12,945.21 | 12,195.21 | 6.15 | 0.00 | 7.92 | 6.15 |
SFK30 | 750 | 120 | 950 | 750 | 2570 | 13,693.02 | 12,943.02 | 5.79 | 0.88 | 7.46 | 5.79 |
SFK45 | 750 | 180 | 950 | 750 | 2630 | 14,718.77 | 13,968.77 | 5.37 | 1.24 | 6.90 | 5.37 |
SFK60 | 750 | 240 | 950 | 750 | 2690 | 14,744.39 | 13,994.39 | 5.36 | 1.65 | 6.89 | 5.36 |
FGK0 | 450 | 0 | 950 | 750 | 2150 | 12,537.53 | 12,087.53 | 3.72 | 0.00 | 8.20 | 6.36 |
FGK30 | 450 | 120 | 950 | 750 | 2270 | 13,379.29 | 12,929.29 | 3.48 | 0.91 | 7.64 | 5.94 |
FGK45 | 450 | 180 | 950 | 750 | 2330 | 13,991.39 | 13,541.39 | 3.32 | 1.30 | 7.28 | 5.66 |
FGK60 | 450 | 240 | 950 | 750 | 2390 | 14,292.64 | 13,842.64 | 3.25 | 1.71 | 7.12 | 5.54 |
