Multifunctional Superabsorbent Polymer under Residue Incorporation Increased Maize Productivity through Improving Sandy Soil Properties

Table 1

Physical and chemical properties at the 0–1.0 m soil depth in the experimental site.

Depth cm	Particle size (%)				BD; (g cm^-3)	OM; (g kg^-1)	TS; (g kg^-1)	AN; (mg kg^-1)	AP; (mg kg^-1)	AK; (mg kg^-1)	pH
	Sand (%); 2.0-0.05 mm	Silt (%); 0.05-0.005 mm	Clay (%); <0.005 mm	Classification
0-40	69.8	19.6	10.6	Sandy loam	1.54	4.7	0.43	35.2	4.6	67.5	8.8
40-100	56.2	30.4	13.4	Light sierozem	1.44	2.3	0.64	18.8	1.8	28.0	9.3

BD, bulk density; OM, organic matter; TS, total salt; AN, available nitrogen; AP, available phosphorus, AK: available potassium.