Give one word answer :-
1.)Task performed by a farmer for loosening the soil
2.)Chemical compounds added to the soil for increasing soil fertility
3.) Rearing fish
4.)Rearing honey bees for honey.
5.)Task performed by a farmer for exposing seeds,worms and insects in a field
6.)Rearing birds for flesh and eggs
7.)Harmful organisms that attack and damage crops.
8.)Task performed by a farmer for turning the soil upside down.
9.)Growing a leguminous crop in between two cereal crops.
10.)Growing two crops together.

Explanation

### Step-by-Step Text Solution:

1. **Task performed by a farmer for loosening the soil:**
- **Answer:** Ploughing

2. **Chemical compounds added to the soil for increasing soil fertility:**
- **Answer:** Fertilizers

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