🌱 What is Agricultural Yield?
👉 Agricultural yield is the amount of crop produced per unit area of land (e.g. tons per hectare).
📌 Farmers aim to increase yield to:
- Produce more food 🍞
- Earn more income 💰
- Feed growing populations 🌍
🚜 Methods to Increase Agricultural Yields
1. 🌿 Use of Fertilizers
Fertilizers add nutrients (like nitrogen, phosphorus, potassium) to the soil.
✅ Advantages:
- Improves soil fertility
- Increases crop growth quickly
❌ Disadvantages:
- Can pollute water (eutrophication)
- Expensive for farmers
2. 💧 Irrigation
Providing water to crops using systems like sprinklers or drip irrigation.
✅ Advantages:
- Ensures crops get enough water
- Useful in dry areas
❌ Disadvantages:
- Can waste water
- May cause salinization (salt buildup in soil)
3. 🐛 Use of Pesticides & Herbicides
Chemicals used to kill pests, insects, and weeds.
✅ Advantages:
- Protect crops from damage
- Increase production
❌ Disadvantages:
- Can harm environment and wildlife
- May affect human health
4. 🌾 Improved Crop Varieties
Using genetically improved or high-yield crops.
✅ Advantages:
- Higher yields
- More resistant to diseases
❌ Disadvantages:
- Expensive seeds
- Reduces genetic diversity
5. 🚜 Mechanization
Using machines like tractors and harvesters.
✅ Advantages:
- Saves time and labor
- Increases efficiency
❌ Disadvantages:
- Expensive machinery
- Causes unemployment in rural areas
⚖️ Sustainable Agriculture
👉 Sustainable farming means producing food without harming the environment.
Examples:
- Crop rotation 🔄
- Organic farming 🌿
- Using natural fertilizers 🐄
📌 Goal: Increase yield while protecting soil, water, and ecosystems
🧠 Quick Summary
- Agricultural yield = amount of crop per land
-
Yield can be increased by:
- Fertilizers
- Irrigation
- Pesticides
- Improved seeds
- Machines
- Each method has benefits and drawbacks
- Sustainability is very important 🌍
✏️ Class Activity
Think-Pair-Share:
👉 Which method do you think is the best for farmers? Why?
👉 Which method is the most harmful to the environment?



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