Question

A soil sample has a Cation Exchange Capacity (CE

  • C of 20 cmol(+)/kg, of which the exchangeable bases (Ca²⁺, Mg²⁺, K⁺, Na⁺) together occupy 15 cmol(+)/kg. What is the base saturation percentage of this soil, and how would it generally be rated in terms of fertility?
A 50%, low fertility
B 65%, moderately fertile
C 75%, fertile with a tendency towards neutral/alkaline reaction
D 85%, highly fertile
E 95%, saline soil
Practice Next

Hey! Ask a query

🎓
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
  • 200 Questions with Detailed Solutions
  • Section-wise Coverage (GA, English, Quant & Reasoning)