Soil enzymes are more active in smaller clay particles due to the higher surface area they provide for microbial activity. Clay particles smaller than 50 µ (microns) have the highest enzymatic activity as they allow more microbial colonization and nutrient exchange, both critical for enzymatic reactions in the soil.
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120 Mins English English60 Questions60 Marks45 Mins English English30 Questions30 Marks27 Mins EnglishAbsence of air in soil limits the activity of
According to Ministry of Water Resources, waterlogged areas are the land areas having
Which of the following is NOT associated with podzolization?
Soil moisture characteristic curve represents the relationship between
Which of the following is a man-made epipedon?
Comparatively stable fraction of soil organic matter left after decomposition is called
‘Chroma’ variable in determination of soil colour represents
Most limiting factor for crop cultivation in desert areas is
Which one of the following is an aerobic non-symbiotic nitrogen-fixing bacteria?
Which master horizon of soil is known as the zone of illuviation?
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