Physicochemical Properties and Fertility Assessment of Soils in Foumban (West Cameroon)

Table 4

Foumban soil fertility assessment.

Soil group

pHeau

OM (%)

N (%)

K (méq/100)

SBE (méq/100)

CEC (méq/100)

P (ppm)

S/CEC

IB (%)

ISS (%)

IF

m (%)

Fertility class

Limiting factor

Nipha

II

I

I

I

I

II

II

II

I

I

I

I

Good

pHe and P

Umca

III

I

I

I

I

II

II

II

I

I

I

I

Good

pHe and P

Flua

III

I

I

I

I

II

II

II

I

I

I

I

Good

pHe and P

Nimfh

III

I

I

I

I

II

III

I

I

I

I

I

Good

pHe and P

FLchp sur basalts

III

I

I

I

I

II

III

II

I

I

I

I

Average

pHe, P, CEC, and S/CEC

Pluph

III

I

I

I

II

II

III

II

I

I

I

I

Average

pHe, P, CEC, and S/CEC

CHnp

II

I

I

II

I

I

I

II

I

I

I

I

Good

pHe and K

Ump

II

I

I

II

II

II

III

III

I

II

IV

II

Average

IF, P, S/CEC, and pHe

FLchp sur trachytes

II

I

I

II

II

II

III

III

IV

III

IV

II

Poor

IF, ISS, IB, P, pHe, and S/CEC

FGcp

III

I

II

I

II

II

III

II

IV

III

IV

I

Poor

IF, ISS, IB, P, pHe and, S/CEC