What is the pH range for strongly alkaline soils?
(a) 7.4 – 7.8
(b) 7.9 – 8.4
(c) 8.5 – 9.0
(d) > 9
This question was posed to me by my school principal while I was bunking the class.
Asked question is from Salinity and Water-logging topic in section Water Logged Reclamation and Saline Soils for Agricultural Purposes of Irrigation Engineering