Table 7 ANOVA and Tukey HSD test results for selected variables (by district)
Variable | District | Mean per ha | SD | F-statistic F (2, 147) | Tukey HSD post hoc Mean difference (MD) |
|---|---|---|---|---|---|
Yield per ha (corms + leaves) | AAS | 6914 | 7291.71 | 3.53** | btwn (AAS & AN_D) = −192** |
AN_D | 7106 | 6502.23 | btwn (AN_D & F_D) = −178** | ||
F_D | 7284 | 6164.09 | btwn (F_D & AAS) = 370** | ||
Produce price per kg | AAS | 2.41 | 1.53 | 5.59** | btwn (AAS & AN_D) = −0.08 |
AN_D | 2.49 | 1.12 | btwn (AN_D & F_D) = −0.04** | ||
F_D | 2.53 | 1.76 | btwn (F_D & AAS) = 0.12** | ||
Total production cost | AAS | 3120 | 1103.18 | 1.12 | |
AN_D | 3262 | 1606.28 | |||
F_D | 3698 | 1916.95 | |||
Gross margin | AAS | 4574 | 4795.29 | 6.26** | btwn (AAS & AN_D) = −311 |
AN_D | 4885 | 3850.38 | btwn (AN_D & F_D) = −1258** | ||
F_D | 6143 | 5650.47 | btwn (F_D & AAS) = 1569** | ||
Net income (corm only) | AAS | 2973 | 2965.98 | 5.08** | btwn (AAS & AN_D) = −983** |
AN_D | 3956 | 3302.75 | btwn (AN_D & F_D) = −1212** | ||
F_D | 5168 | 5626.17 | btwn (F_D & AAS) = 2195** | ||
Total net income (corm + leaves) | AAS | 4207 | 3836.25 | 4.89** | btwn (AAS & AN_D) = −425 |
AN_D | 4632 | 4597.31 | btwn (AN_D & F_D) = −1112** | ||
F_D | 5744 | 5063.74 | btwn (F_D & AAS) = 1537** | ||
Return on assets | AAS | 20.3 | 12.6 | 3.37** | btwn (AAS & AN_D) = −4.2** |
AN_D | 24.5 | 21.3 | btwn (AN_D & F_D) = −3.1** | ||
F_D | 27.6 | 15.5 | btwn (F_D & AAS) = 7.3** | ||
Returns to land | AAS | 1003.6 | 567.99 | 3.86** | btwn (AAS & AN_D) = −4.2** |
AN_D | 979 | 535.53 | btwn (AN_D & F_D) = −3.1** | ||
F_D | 1070.9 | 602.25 | btwn (F_D & AAS) = 7.3** | ||
Return to unpaid labour and mgt | AAS | 2906.1 | 2587.72 | 4.19** | btwn (AAS & AN_D) = −672.4** |
AN_D | 3578.5 | 2699.91 | btwn (AN_D & F_D) = −1137.2 | ||
F_D | 4715.7 | 3143.12 | btwn (F_D & AAS) = 1809.6** |