Table 12
Soil water-soluble Mg (meq L−1) as influenced by organic waste application (average ± standard deviation)
Treatments	First crop (wheat)	Second crop (guar)	Third crop (wheat)
0 to 20 cm
C	3.52b ± 0.10	2.62d ± 0.10	2.87d ± 0.10
CR	3.55b ± 0.06	2.82c ± 0.10	3.20c ± 0.08
H	2.92c ± 0.10	2.87c ± 0.10	3.45b ± 0.06
SS	3.90a ± 0.08	3.50a ± 0.08	3.87a ± 0.10
RF	2.95c ± 0.13	2.92c ± 0.10	2.80d ± 0.08
RF + CR	2.92c ± 0.10	3.35b ± 0.13	3.77a ± 0.10
LSD	0.151	0.144	0.124
P≤	0.0001	0.0001	0.0001
Treatments	First crop (wheat)	Second crop (guar)	Third crop (wheat)
20 to 40 cm
C	2.85c ± 0.13	2.95b ± 0.15	2.40d ± 0.08
CR	2.55d ± 0.21	2.80b ± 0.12	3.02c ± 0.10
H	3.02ab ± 0.17	2.95b ± 0.13	3.25b ± 0.06
SS	2.82bc ± 0.10	3.32a ± 0.13	3.70a ± 0.08
RF	2.80c ± 0.14	2.90b ± 0.14	2.50d ± 0.14
RF + CR	3.07a ± 0.13	3.27a ± 0.10	3.60a ± 0.08
LSD	0.209	0.192	0.138
P≤	0.0001	0.0001	0.0001

Means in columns, within each depth, followed by different letters are significantly different at P ≤ 0.05 using LSD.

Rezig et al. International Journal Of Recycling of Organic Waste in Agriculture 2012 1:1   doi:10.1186/2251-7715-1-1