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Soil fertility

7 PYQ across 3 exams · 1981–2022 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1981 → CDS 2014 → CISF 2022
19811 PYQ
CSEQ53
What is the use ofbiochar in farming? 1. Bio char can be used as a part of the growing medium in vertical farming. 2. When biochar is a part…
19861 PYQ
CSEQ29
Rotation of crops means.…
19891 PYQ
CSEQ46
Fertility of soil can be improved by…
20131 PYQ
CSEQ34
Which of the following adds/add nitrogen to the soil? 1. Excretion of urea by animals 2. Burning of coal by man 3. Death of vegetation Selec…
20141 PYQ
CDSQ39
Which of the following statements regarding jhum cultivation in India are correct? 1. It is largely practised in North-Eastern Indian states…
20211 PYQ
CDSQ57
Alluvial soils vary in nature from sandy loam to clay. They are generally…
20221 PYQ
CISFQ24
The organic component of soil, formed by the decomposition of leaves and other plant materials that adds to the fertility of the soil is cal…
Related concepts — explore their timelines too
Crop rotationShifting cultivationNitrogen fixationNitrogen cycle
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