A and B horizon is called as_________?
A and B horizon is called as_________?
A. Regolith
B. Solam
C. Inner core
D. None of the above
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The deficient macronutrient in the sodic soils is:_______?
The deficient macronutrient in the sodic soils is:_______?A. Mg
B. Ca
C. Mo
D. CuAntioxidant is used to reduce the process of_____________________?
Antioxidant is used to reduce the process of_____________________?A. Reduction
B. Oxidation
C. Both a & b
D. DehydrationThe safe limit of No2 in drinking water is_____________________?
The safe limit of No2 in drinking water is_____________________?A. 10 mg L-1
B. 15 mg L-1
C. 20 mg L-1
D. None of the above__________________ systems play a crucial role in increasing soil organic C storage and reducing net emissions of greenhouse gases in addition to soil erosion control:
__________________ systems play a crucial role in increasing soil organic C storage and reducing net emissions of greenhouse gases in addition to soil erosion control:A. Engineering
B. Agroforestry
C. Cultivating
D. All of the aboveSoil order characterized by excess of weathering with dominant iron and aluminium oxide clays, common in tropics is_________?
Soil order characterized by excess of weathering with dominant iron and aluminium oxide clays, common in tropics is_________?A. Alfisols
B. Mollisols
C. Entisols
D. OxisolsIn low-rainfall areas, huge shifting sand dunes are commonly found, particularly near human habitations. Techniques of afforesting the shifting dunes needed to be implemented. These techniques consist of___________?
In low-rainfall areas, huge shifting sand dunes are commonly found, particularly near human habitations. Techniques of afforesting the shifting dunes needed to be implemented. These techniques consist of___________?A. Treatment of shifting sand-dunes by fixing barriers in parallel stripes or in a chess-board design, using the local shrub material starting from the crest of the dunes to protect the seedlings from burial or exposure by the blowing of sand.
B. Protection against biotic interference
C. Both a & b
D. None of these