Table 6 The results of paired t test for comparing the research variables for one hectare of wheat before and after using the local rich compost
From: Adoption of pro-environmental behaviors among farmers: application of Value–Belief–Norm theory
Properties | Before the compost consumption | After the compost consumption | t | Sig. level | ||
|---|---|---|---|---|---|---|
Mean | Standard deviation | Mean | Standard deviation | |||
Yield (ton/ha) | 4.14 | 1.49 | 5.7 | 2.18 | 10.09 | 0.001 |
Fertilizer costs (million Rial) | 4.15 | 4.61 | 3.23 | 4.39 | 1.19 | 0.25 |
Fertilizers consumption (kg/ha) | 460.75 | 326.84 | 272.31 | 179.4 | 5.2 | 0.001 |
Water (m3/ha) | 13,312.5 | 4725.23 | 10,625.37 | 5351.77 | 3.98 | 0.001 |
Seed consumption (kg/ha) | 313.86 | 115.45 | 258.34 | 99.99 | 5.89 | 0.036 |