Table 2: Effect of the year on the soil quality.

Year pH (H2O) NH4, ppm SOM, % P2O5, ppm K2O, meq 100 mL-1 Ca, meq 100 mL-1 Mg, meq 100 mL-1
2015 5.637 75.833 14.706 23.822 0.140 7.633 0.473
2016 5.612 158.833 16.618 34.611 0.181 6.589 0.896
Mean 0.025 -83.000 -1.912 -10.789 -0.041 1.044 -0.422
SEĀ± 0.038 3.676 0.346 2.900 0.014 0.394 0.042
Sig. .519 .000 .000 .002 .010 .017 .000

n= 18, p < .05, Paired - Samples T-Test, IBM SPSS [20]

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