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प्रश्न
What is meant by ‘in Situ’?
एक पंक्ति में उत्तर
उत्तर
‘In situ’ are the Soils which are found where they are formed.
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संबंधित प्रश्न
Match the items in Column I with those in Column II:
| Column I | Column II |
| A home for living organisms | Large particles |
| Upper layer of the soil | All kinds of soil |
| Sandy soil | Dark in colour |
| Middle layer of the soil | Small particles and packed tight |
| Clayey soil | Lesser amount of humus |
Name the following :
An important transported soil of India.
Name the important crops grown on it.
Why Black Soil needs to be tilled after the first rains?
On the map of India, shade and name an area each of:
(a) Alluvial Soil,
(b) Red Soil,
(c) Desert Soil and
(d) Hill Soil or Mountain Soil.
Name the three types of Alluvium Soil.
Which type of soil in India is most widespread and important?
Complete the following table with reference to the soil.
| Action | Effect | Result (w.r.t. fertility) |
| Construction of embankments | ||
| Wind speed decreased | ||
| Farmland is kept fallow for some period | ||
| Humus content increased. | ||
| Trenches are dug across a slope | ||
| Litter is burnt on the farm. | ||
| Proves favorable for micro-organisms | ||
| The salt content in the soil increases | ||
| Chemical fertilizers used excessively |
Which of the following methods does not help in soil conservation?
Black soil is deficient in ______.
