Parameters | Soil Depth (cm) | Standard Values | References | |
---|---|---|---|---|
0-20 | 21-40 | |||
Total N (%) | 0.084 | 0.075 | >1 very high 0.5-1 high 0.-0.5 medium 0.1-0.2 low <0.1 very low |
London [33] |
Available S (ppm) | 6.4 | 5.8 | 0-6.9 deficient 7-12 adequate |
Havlinet al. [34] |
Available Olsen P (ppm) | 16.8 | 12.7 | >12 high 8-11 medium 4-7 low <3 very low |
|
OM (%) | 1.4 | 1.22 | >5.17 high 2.59-5.17 medium 0.86-2.59 low <0.86 very low |
London [33] |
pH (1:2.5 water) | 6.67 | 6.8 | Optimum pH for crop production 5.5-6.8 | Havlinet al. [34] |
EC (ds/m) | 0.17 | 0.08 | Tomato is tolerant up to 2.5 (ds/m) | Soil Survey Staff [32] |