Class 6 Exam > Class 6 Videos > Advance Learner Course: Science Class 6 > How are Nutrients Replenished in Soil?
How are Nutrients Replenished in Soil? Video Lecture | Advance Learner Course: Science Class 6
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FAQs on How are Nutrients Replenished in Soil? Video Lecture - Advance Learner Course: Science Class 6
| 1. How are nutrients replenished in soil? |  |
Ans. Nutrients are replenished in soil through various natural processes. One way is through the decomposition of organic matter, such as dead plants and animals, which releases nutrients back into the soil. Additionally, weathering of rocks and minerals also contributes to the release of nutrients into the soil.
| 2. What is the role of microorganisms in replenishing soil nutrients? | |
Ans. Microorganisms play a crucial role in replenishing soil nutrients. They decompose organic matter, breaking it down into simpler compounds and releasing nutrients back into the soil. Microorganisms also help in the process of nitrogen fixation, converting atmospheric nitrogen into a form that plants can use.
| 3. Can fertilizers be used to replenish soil nutrients? | |
Ans. Yes, fertilizers can be used to replenish soil nutrients. Fertilizers are specifically formulated to provide essential nutrients to plants. They can be applied directly to the soil or sprayed onto plants to supplement the existing nutrient levels. However, it is important to use fertilizers judiciously and in the correct proportions to avoid nutrient imbalances or environmental pollution.
| 4. How does crop rotation help in replenishing soil nutrients? | |
Ans. Crop rotation is a farming practice where different crops are grown in a sequence on the same piece of land. This helps in replenishing soil nutrients by reducing the depletion of specific nutrients that certain crops may require more of. Different crops have different nutrient demands, and rotating crops helps maintain a balanced nutrient profile in the soil.
| 5. What are cover crops and how do they contribute to replenishing soil nutrients? | |
Ans. Cover crops are crops that are grown primarily to protect and improve the soil rather than for harvesting. They are typically planted during fallow periods or between cash crops. Cover crops help replenish soil nutrients by reducing erosion, improving organic matter content, and preventing nutrient leaching. When the cover crop is eventually incorporated into the soil, it decomposes and releases nutrients, enriching the soil for the subsequent crops.
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Nov 21, 2024 Last updated |
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