Fuzzy Logic Tool to Forecast Soil Fertility in Nigeria

Table 2

Output variables showing linguistic variables and recommended values.

OUTPUT	LEVEL	RECOMMENEDED; VALUE
NITROGEN	LOW	0 - 30
	AVERAGE	30 - 70
	HIGH	70 - 100
PHOSPHORUS	LOW	0 - 30
	AVERAGE	30 - 70
	HIGH	70 - 100
POTASSIUM	LOW	0 - 20
	AVERAGE	20 - 70
	HIGH	70 - 100
SOIL FERTILITY	LOW	0 – 40
	AVERAGE	40 – 80
	HIGH	80 - 100