Question
If oxygen in soil air is 15%, CO₂ will be
approximately:Solution
As soil organisms consume oxygen, they release an equivalent amount of carbon dioxide. In poorly aerated soils, as O₂ levels drop from 21%, CO₂ levels rise proportionally.
Which of the following element/substance leads to deflocculation of soil particles?
Secondary minerals include:
The “Law of Maximum” was proposed by:
Which weathering process involves the reaction of minerals with carbonic acid?
Which of the following primary tillage operation is used to invert the soil partially or completely?
This mineral is hardly soluble in water:
In water logged soils maximum microbes found are
Which of the following parameter is not included in the Soil health card?
The mechanism responsible for most heat transfer in soils is:
Which metamorphic rock is formed from the alteration of shale?
