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प्रश्न
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 |
तक्ता पूर्ण करा
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उत्तर
| Action | Effect | Result (w.r.t. fertility) |
| Construction of embankments | Reduction in the erosion of soil due to heavy rains. | Increase in Fertility |
| Planting trees | Wind speed decreased | Increase in Fertility |
| Farmland is kept fallow for some period | The fertility of soil gets maintained. | Increase in Fertility |
| Use of organic manures | Humus content increased. | Increase in Fertility |
| Trenches are dug across a slope | Check over the velocity of water running along the slopes and hence reduction in soil erosion | Increase in Fertility |
| Litter is burnt on the farm. | The proportion of ash in the soil gets increased. | Decrease in Fertility |
| Use of organic manures | Proves favorable for micro-organisms | Increase in Fertility |
| Excessive irrigation | The salt content in the soil increases | Decrease in Fertility |
| Chemical fertilizers used excessively | Decrease the number of microorganisms and so the proportion of humus in the soil | Decrease in Fertility |
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Types of Soil
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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 |
How is clayey soil useful for crops?
Give the geographical reason for black soil being suitable for growth of cotton.
Give a geographical reason for each of the following:
Wind is a common agent of soil erosion in arid regions.
name two states of India where this type of soil is found.
State two disadvantages of laterite soil.
Why is Laterite Soil unsuitable for cultivation? Name an area where this Soil is found.
Why are Alluvial Soil agriculturally important?
Name the soil which
is sticky when wet and cracks when dry.
‘Regur Soil’ is another name for the ______
