TABLE 3.

Soil Chemical properties and available nutrients in soils after wheat harvesting.

Scenarioa	pH	EC (dS m–1)	SOC (g kg–1)	N (kg ha–1)	P (kg ha–1)	K (kg ha–1)	Zn (mg kg–1)	Cu (mg kg–1)	Fe (mg kg–1)	Mn (mg kg–1)
ScI	7.41 ± 0.09bb	0.35 ± 0.02a	5.7 ± 0.01d	119.01 ± 0.58d	16.06 ± 1.04c	137.1 ± 1.15c	7.7 ± 0.15b	2.9 ± 0.12a	43.7 ± 1.81 b	53.4 ± 1.22c
ScII	7.07 ± 0.04c	0.34 ± 0.01a	9.2 ± 0.03c	144.12 ± 2.00c	23.1 ± 1.06b	225.5 ± 1.00a	8.8 ± 0.44ab	3.9 ± 0.15a	74.9 ± 1.46a	60.5 ± 0.83b
ScIII	7.70 ± 0.07a	0.32 ± 0.02a	10.7 ± 0.02b	171.07 ± 1.00a	24.92 ± 0.79b	217.8 ± 1.53b	9.7 ± 0.35a	2.8 ± 0.15a	23.1 ± 0.87c	66.8 ± 1.71a
ScIV	7.49 ± 0.02b	0.32 ± 0.03a	12.5 ± 0.03ab	155.91 ± 3.21b	29.7 ± 1.04a	225.5 ± 2.31a	3.7 ± 0.32c	2.7 ± 0.21a	20.6 ± 0.44c	72.4 ± 1.31a
ScV	7.49 ± 0.06b	0.28 ± 0.02a	13.1 ± 0.02a	171.32 ± 2.31a	30.52 ± 1.34a	210.1 ± 3.61b	10.1 ± 0.44a	2.6 ± 0.31a	21.5 ± 0.74c	68.6 ± 1.87a
ScVI	7.74 ± 0.06a	0.27 ± 0.03a	11.9 ± 0.01ab	157.25 ± 1.53b	24.20 ± 2.00b	217.8 ± 3.79b	3.6 ± 0.46c	2.3 ± 0.21a	15.2 ± 1.15c	48.8 ± 1.55c

Where; ScI, conventional rice-wheat system; ScII, partial CA based rice-wheat-mungbean system; ScIII, partial CSA based rice-wheat-mungbean system; ScIV, partial CSA based maize-wheat-mungbean system; ScV, full CSA based rice-wheat-mungbean system with sub surface drip irrigation; ScVI, full CSA based maize-wheat-mungbean system with sub surface drip irrigation. ^aRefer Table 1 for scenario description. ^bMeans followed by the same letters within each column are not statistically different (p ≤ 0.05, Duncan’s multiple range test). Values are the average of three replicates (n = 3); means ± standard error SE. EC, electrical conductivity; SOC, soil organic carbon; N,P, K, available nitrogen, phosphorus and potassium; Zn, Cu, Fe, Mn, DTPA extractable zinc, copper, iron and manganese.