Modeling of Permanent Wilting from Particle Size Fractions of Coastal Plain Sands Soils in Southeastern Nigeria

Table 2

General linear model of some parameters in the topographic positions of the study sites.

	Upper	Middle	Lower
PWP (%)	14.40^b	15.85^a	16.44^a
Sand (g kg^−1)	881.34^b	889.28^b	874.00^a
Fine sand (g kg^−1)	124.91^c	105.89^b	161.52^a
Coarse sand (g kg^−1)	765.75^c	793.27^b	712.57^a
Silt (g kg^−1)	47.83^a	38.44^b	45.94^a
Clay (g kg^−1)	60.83^b	62.31^b	80.04^a
Silt clay ratio	0.84^b	0.62^a	0.58^a

PWP: permanent wilting point.
Means followed by different letters within the same row indicate significant difference at 𝑃<0.05.