Tag: soil profile
Questions Related to soil profile
Humus is good for plant growth because ________________.
$A _0$ layer is rich in
The Precambrian red rock indicates the ________________.
The geological age of a rock is determined by.
Humification results in the formation of ............. substance.
'X' is an organic substance obtained from the decomposition of plant or animals wastes which provides lots of humus to the soil. Identify the incorrect statements regarding decomposition.
When a small amount of garden soil is put into a glass jar containing water, stirred and allowed to stand for two hours, the layers from top to bottom would be
Match the following.
Column I | Column II |
---|---|
I. Sandy soil | A. 85% sand + 15% clay or silt |
II. Loam soil | B. 70% sand + 30% clay or silt |
III. Silt | C. 50% sand + 50% clay or silt or both |
D. 90% silt + 10% sand |
Which of the following characteristics is not a function of humus in soil?
Mineral nodules present in ocean which can meet shortage of important soil nutrient are