SG (Slot)

Table 1. Information regarding the experimental sites
Parameter site 1 Site 2 Site 3
Climate
Humid semi-arid Sub-humid
cool Warm Cool
Rainfall (mm) 1000 250-500 500-1000
or more
Location
Latitude (0) 33.8 31.4 34.0
Longitude ( 0 ) 73.2 73,0 72.0
Altitude (m) 300-600 150-300 150-300
Temperature
Winter (oC) 5-10 10-15 5-10
summer (oC) 25-30 30-35 25-30
Major crops
Wheat Wheat Wheat
Maize Rice Sugarcane
Cotton
Table 2. summary of significance levels for analysis of
variance for the effect of tillage treatment and
soil depth on bulk density at Site 1,2 and 3
F-statistic significance
Effect
Before Treatment
Bulk density (Mg./m)
After Treatment
Tillage Trt.
Depth
Tillage x
depth
Site 1 site 2 Site 3 Site 1 Site 2 site 3
** ns ns ** ** *
ns ns ns ** ** **
ns ns ns ns ns ns
**, *, Significant at the 0.01, and 0.05 levels respectively;
ns = non significant at the 0.10 level.
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