Soil composed of which type of clays, are best suited for agriculture?
A. Smectite and talc
B. Vermiculite and mica
C. Chlorite and Illite
D. Illite and smectite
Answer: Option C
Solution(By Examveda Team)
Generally, soil contains 40 - 45 % inorganic matter, 5% organic matter, 25% water and 25% air. To sustain plant life, the proper mix of air, water, minerals and organic material is required.Normally for agriculture purposes, Loamy-textured soils with equal distribution of sand, silt and clay are considered best.
However, the clay soils have great potential and are very fertile specifically with the presence of Chlorite and Illite.
Related Questions on Soil Science
Which one is the most important among Amphibloes
A. Hornblend
B. Tremolite
C. Diopsite
D. Actinolite
Sources of negative charges on silicate clays is/are
A. Exposed crystal edges
B. Isomorphus substitution
C. Anion exchange
D. All of these
The most conspicuous chemical change that take place when soil is flooded is reduction of
A. Fe
B. P
C. S
D. None of these
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