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Start learning 50% faster. Sign in nowA fluorescent tube operates by passing an electric current through mercury vapor, which emits ultraviolet light. This light then causes a phosphor coating on the inside of the tube to glow, producing visible light.
When the contact of soil moisture still decreased below the wilting point in way that the water is held very tightly & may be state of vapour around soi...
The major microorganism that is considered most important as an indicator of soil quality is:
What is the primary reason for the non-expanding nature of fine-grained micas within the 2:1-type minerals?
……………………………is a key factor for successful crop production and it is a measure of capacity of soil to supply plant nutrients.
...Soil is a natural body composed of mineral and organic costituents, having definite genesis and a distinct nature of its own. Who amongst the following ...
In which soil forming process are sodium ions accumulated on the clay's exchange complex, resulting in the formation of sodic soils?
According to USDA classification of salt affected soils; a soil having EC >4 mmho/cm; ESP >15; pH
In terms of the order from youngest to the oldest soil, which one of the following is the correct chronological sequence?
The liming material generally used for reclaiming acid soils
During a prolonged dry spell, a farmer notices soil crusting in the field. What could be a possible consequence of soil crusting on the crops?
