Machine Learning Algorithm for Soil Analysis and Classification of Micronutrients in IoT-Enabled Automated Farms

Table 3

Rating of pH [34].

Rating	pH (1 : 2.5)
Very strongly alkaline	>10
Strongly alkaline	9.1-10
Moderately alkaline	8.1-9
Slightly alkaline	1.7-8
Neutral	7
Slightly acidic	6.5-6.9
Moderately acidic	5.5-6.4
Highly acidic	4.5-5.4
Strongly acidic	<4.5