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Soil organic matter

2 PYQ across 2 exams · 2018–2025 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 2018 → CDS 2025
20181 PYQ
CSEQ82
With reference to agricultural soils, consider the following statements : 1. A high content of organic matter in soil drastically reduces it…
20251 PYQ
CDSQ8
Which of the following statements with reference to Humus is/are correct ? 1. It is a dark coloured amorphous substance. 2. Being colloidal …
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