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.

TreatmentspHpH classEC mS/cmSalinity class

Native soil7.8Moderately alkaline0.8Nonsaline
Compost
 5.0 t/ha8.10Moderately alkaline1.33None-saline
 7.5 t/ha8.20Moderately alkaline2.83Slightly saline
 10 t/ha8.23Moderately alkaline3.32Slightly saline
Biochar
 5.0 t/ha8.52Strongly alkaline1.65Nonsaline
 7.5 t/ha8.57Strongly alkaline1.72Nonsaline
 10 t/ha8.59Strongly alkaline1.89Nonsaline
Soil conditioner
 5.0 t/ha8.7Strongly alkaline1.38Nonsaline
 7.5 t/ha8.80Strongly alkaline1.87Nonsaline
 10 t/ha8.87Strongly alkaline2.11Nonsaline