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The Indian soils are generally poor in
- a)phosphates and nitrogen
- b)organic matter and nitrogen
- c)calcium, phosphate and nitrogen
- d)nitrogen, phosphorus and potassium
Correct answer is option 'B'. Can you explain this answer?
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The Indian soils are generally poor ina)phosphates and nitrogenb)organ...
Indian Soils
Indian soils are generally poor in organic matter and nitrogen.
Reasons for Poor Soil Quality
1. Climatic Factors
- High temperature and heavy rainfall in tropical regions cause rapid decay of organic matter and loss of nutrients.
- Low rainfall in arid regions causes slow weathering of rocks and thus, poor soil quality.
2. Parent Material
- Indian soils are formed from ancient rocks which are largely composed of acidic and basic minerals. These minerals are not very fertile and do not have enough nutrients to support plant growth.
3. Farming Practices
- Intensive farming practices have led to soil erosion, depletion of nutrients and loss of topsoil.
- Overuse of chemical fertilizers and pesticides has also affected soil quality.
Impact of Poor Soil Quality
- Poor soil quality leads to low crop yield and food insecurity.
- Soil erosion and nutrient depletion can also lead to desertification.
Solutions to Improve Soil Quality
- Adding organic matter to the soil through composting and green manuring.
- Using natural fertilizers such as cow dung and vermicompost.
- Avoiding overuse of chemical fertilizers and pesticides.
- Adopting conservation agriculture practices like minimum tillage and crop rotation.
Indian soils are generally poor in organic matter and nitrogen.
Reasons for Poor Soil Quality
1. Climatic Factors
- High temperature and heavy rainfall in tropical regions cause rapid decay of organic matter and loss of nutrients.
- Low rainfall in arid regions causes slow weathering of rocks and thus, poor soil quality.
2. Parent Material
- Indian soils are formed from ancient rocks which are largely composed of acidic and basic minerals. These minerals are not very fertile and do not have enough nutrients to support plant growth.
3. Farming Practices
- Intensive farming practices have led to soil erosion, depletion of nutrients and loss of topsoil.
- Overuse of chemical fertilizers and pesticides has also affected soil quality.
Impact of Poor Soil Quality
- Poor soil quality leads to low crop yield and food insecurity.
- Soil erosion and nutrient depletion can also lead to desertification.
Solutions to Improve Soil Quality
- Adding organic matter to the soil through composting and green manuring.
- Using natural fertilizers such as cow dung and vermicompost.
- Avoiding overuse of chemical fertilizers and pesticides.
- Adopting conservation agriculture practices like minimum tillage and crop rotation.
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Community Answer
The Indian soils are generally poor ina)phosphates and nitrogenb)organ...
The level of soil nitrogen is very much associated with soil carbon level.
When the soil Carbon is adequate and legumes are used in the farming system there is no need that soil will be necessarily deficient in soil Nitrogen.
Since most soils are deficient in Carbon and are not optimized for legume in rotation or organic amendment there is an artificial deficiency which is prevalent but not inevitable or a real deficiency in Nitrogen.
Since our atmosphere is almost 80% Nitrogen there is no compelling reason that the soil should be deficient if proper management was employed to get the soil stock levels at adequate range.
If your soil test at maize 15 cm high shows more than 25 ppm Nitrate your soil will be adequate for an excellent maize crop. Since Nitrogen and water cycling are dependent on Carbon this element controls a lot of productive capacity of the farming system.
Since almost half of the Indian soils are considered deficient in Zinc and possibly other micronutrients this is a venue to get much better results with legumes and optimize the cropping system without more costly inputs with acidifying effects and ability to compromise the retention of soil organic matter.
When legumes are optimized it is more feasible to get optimized cereal yields and the cereal by itself cannot provide optimize human and animal diets
When the soil Carbon is adequate and legumes are used in the farming system there is no need that soil will be necessarily deficient in soil Nitrogen.
Since most soils are deficient in Carbon and are not optimized for legume in rotation or organic amendment there is an artificial deficiency which is prevalent but not inevitable or a real deficiency in Nitrogen.
Since our atmosphere is almost 80% Nitrogen there is no compelling reason that the soil should be deficient if proper management was employed to get the soil stock levels at adequate range.
If your soil test at maize 15 cm high shows more than 25 ppm Nitrate your soil will be adequate for an excellent maize crop. Since Nitrogen and water cycling are dependent on Carbon this element controls a lot of productive capacity of the farming system.
Since almost half of the Indian soils are considered deficient in Zinc and possibly other micronutrients this is a venue to get much better results with legumes and optimize the cropping system without more costly inputs with acidifying effects and ability to compromise the retention of soil organic matter.
When legumes are optimized it is more feasible to get optimized cereal yields and the cereal by itself cannot provide optimize human and animal diets
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The Indian soils are generally poor ina)phosphates and nitrogenb)organic matter and nitrogenc)calcium, phosphate and nitrogend)nitrogen, phosphorus and potassiumCorrect answer is option 'B'. Can you explain this answer?
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