Importance of Peaty Soil for Agriculture
What is Peaty Soil?
Peaty soil is a type of soil that contains a high percentage of organic matter and retains a large amount of moisture. It is usually dark, spongy, and rich in nutrients, making it highly fertile. However, it tends to be acidic and may require liming to adjust its pH for optimal crop growth.
Importance of Peaty Soil
- High Organic Matter: Peaty soil is rich in decomposed plant material, providing ample nutrients for plant growth.
- Excellent Moisture Retention: The high water-holding capacity of peaty soil makes it ideal for crops that require constant moisture.
- Requires pH Adjustment: Peaty soil is naturally acidic and often needs lime application to neutralize its pH.
- Fertility Enhancement: With proper management, peaty soil can support high crop yields.
Minimum Nutrient Levels and pH of Peaty Soil
Peaty soils typically have the following characteristics:
- pH Level: Generally ranges from 4.0 to 6.5, requiring lime application for some crops.
- Nutrient Levels: High in organic matter but may lack essential minerals such as potassium and phosphorus.
- Water Retention: Peaty soil retains moisture well, making it suitable for water-loving crops.
Common Crops Grown in Peaty Soil
Indian Crops
| Crop |
NPK Requirements |
pH Range |
| Rice |
N: 100 kg/ha, P: 50 kg/ha, K: 50 kg/ha |
5.5 - 6.5 |
| Tea |
N: 150 kg/ha, P: 70 kg/ha, K: 80 kg/ha |
4.5 - 5.5 |
| Cardamom |
N: 80 kg/ha, P: 40 kg/ha, K: 60 kg/ha |
4.5 - 6.0 |
| Turmeric |
N: 120 kg/ha, P: 60 kg/ha, K: 80 kg/ha |
5.0 - 6.5 |
Foreign Crops
| Crop |
NPK Requirements |
pH Range |
| Blueberries |
N: 50 kg/ha, P: 40 kg/ha, K: 40 kg/ha |
4.0 - 5.5 |
| Cranberries |
N: 40 kg/ha, P: 30 kg/ha, K: 30 kg/ha |
4.0 - 5.0 |
| Lettuce |
N: 80 kg/ha, P: 60 kg/ha, K: 60 kg/ha |
5.5 - 6.5 |
| Celery |
N: 100 kg/ha, P: 50 kg/ha, K: 60 kg/ha |
5.5 - 6.5 |