Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Knowledge Indian Geography Soils
With reference to ecology, the term Soil Steaming refers to
1
a farming technique that sterilizes soil with steam in open fields or greenhouses.
2
decrease in productivity in the soil found adjacent to hot springs and geysers.
3
use of crop residues to preserve the moisture in the soil.
4
More than one of the above
5
None of the above