Research Article
Investigating the Effects of Various Soil Amendments on Forages Production in the Field
Table 3
pH and EC of soil mixed with soil amendments.
| Treatments | pH | pH class | EC mS/cm | Salinity class |
| Native soil | 7.8 | Moderately alkaline | 0.8 | Nonsaline | Compost | | | | | 5.0 t/ha | 8.10 | Moderately alkaline | 1.33 | None-saline | 7.5 t/ha | 8.20 | Moderately alkaline | 2.83 | Slightly saline | 10 t/ha | 8.23 | Moderately alkaline | 3.32 | Slightly saline | Biochar | | | | | 5.0 t/ha | 8.52 | Strongly alkaline | 1.65 | Nonsaline | 7.5 t/ha | 8.57 | Strongly alkaline | 1.72 | Nonsaline | 10 t/ha | 8.59 | Strongly alkaline | 1.89 | Nonsaline | Soil conditioner | | | | | 5.0 t/ha | 8.7 | Strongly alkaline | 1.38 | Nonsaline | 7.5 t/ha | 8.80 | Strongly alkaline | 1.87 | Nonsaline | 10 t/ha | 8.87 | Strongly alkaline | 2.11 | Nonsaline |
|
|