Evaluation of the Response of Sorghum to Tillage Systems and Nitrogen Fertilization

Table 8

Bulk density and porosity at the two experimental locations in the soil profile for the investigated tillage systems.

	QL location		SHL location
Treatments	Bulk density	Porosity	Bulk density	Porosity
	kg m^−3	%	kg m^−3	%
NT	1483.34	42.69	1493.42	42.53
CT	1363.01	44.82	1377.11	44.56
RT	1404.31	44.09	1428.88	43.66
L.S.D(0.05)
0_10	1387.14	44.42	1405.63	44.08
10_20	1410.56	43.98	1424.61	43.73
20_30	1410.62	43.95	1432.42	43.57
30_40	1459.23	43.12	1469.88	42.95
L.S.D(0.05)		ns		ns
NT × 0–10	1480.64	42.74	1497.35	42.46
NT × 10–20	1496.69	42.47	1498.13	42.45
NT × 20–30	1468.15	42.95	1477.04	42.8
NT × 30–40	1487.88	42.62	1501.17	42.4
CT × 0–10	1320.4	45.62	1341.21	45.22
CT × 10–20	1352.82	44.99	1361.85	44.82
CT × 20–30	1362.3	44.8	1378.13	44.51
CT × 30–40	1416.51	43.86	1427.24	43.67
RT × 0–10	1360.38	44.9	1378.31	44.55
RT × 10–20	1382.16	44.47	1413.87	43.92
RT × 20–30	1401.4	44.1	1442.1	43.39
RT × 30–40	1473.3	42.88	1481.23	42.78
L.S.D(0.05)	ns	ns	ns	ns

, Significant difference at 0.05 and 0.01 probability levels, respectively. ns: not significant.