The Residual Effect of Pre-Rice Green Manuring on a Succeeding Wheat Crop (Triticum aestivum L.) in the Rice-Wheat Cropping System in Banke, Nepal

Table 6

Effect on soil potassium content before and after the wheat harvest.

Treatments	Before P (ppm)	After P (ppm)	Before K (ppm)	After K (ppm)
T 1	0.025^d	0.0173^e	6.49^d	6.23^d
T 2	0.04^bc	0.04733^cd	8.14^c	8.04^c
T 3	0.05^a	0.04133^d	8.96^bc	8.20^c
T 4	0.06^a	0.05233^bc	11.86^a	8.76^ab
T 5	0.05^a	0.044^d	8.73^bc	9.21^a
T 6	0.04^bc	0.05067^bc	8.73^bc	8.79^ab
T 7	0.04^c	0.04267^d	8.42^bc	8.40^bc
T 8	0.05^a	0.056^ab	9.02^bc	8.48^bc
T 9	0.06^a	0.061^a	9.20^b	9.02^a
Grand mean	0.05	0.05	8.84	8.35
F-probability	<0.001	<0.001	<0.001	<0.001
SEM (±)	0.002	0.002	0.28	0.15
LSD0.05	0.006	0.006	0.83	0.45
CV %	7.5	7	5.4	3.1

SEM = standard error of mean; CV = coefficient of variation. Means followed by difference letters are significantly different among each other on DMRT at a 5% level of significance.