The process by which organic matter is transformed into inorganic substances like carbon dioxide, water, and minerals is called mineralization. In this process, soil microbes break down organic materials, converting them into simpler, inorganic forms that can be absorbed by plants.
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24 Mins English English75 Questions300 Marks90 Mins English English30 Questions30 Marks27 Mins EnglishBio-fertilizers are
| List – I |
List – II |
| A. Nitrobacter |
I. Oxidation of sulphur |
| B. Nitrosomonas |
II. Asymbiotic fixation of nitrogen |
| C. Clostridium |
III. Conversion of NH₄–N to NO₂–N |
| D. Thiobacillus |
IV. Conversion of NO₂–N to NO₃–N |
The moisture content of the vermibed for vermicomposting should be maintained around
Sugarcane trash can be easily composted by adding
The quantity of urea to be applied for one acre of rice when recommendation is 120 kg N/ha is
Carrier material used in biofertilizers should possess following qualities
a. Non-polluting b. Non-toxic c. Bio-degradable d. High water holding capacity
The green leaf manure having about 4.6% K₂O content is
A compound containing a single primary nutrient is called ______ fertilizer
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