My experiment

Aim I want to know why a certain type of plant grows well in land A, but badly in land B. I want to know why a certain type of plant grows well in land A, but badly in land B. АВ

Method I planted a plant in the good land (A), and I planted the second plant in the bad land (B), for example in land with ashes. I planted a plant in the good land (A), and I planted the second plant in the bad land (B), for example in land with ashes.

The two plants should be kept in exactly the same condition.

Interpretation I observed that plant which I planted in the good land grows better than the plant which I planted in the bad land. I observed that plant which I planted in the good land grows better than the plant which I planted in the bad land.

Conclusion My hypothesis was proved. Certain type of plant grows better in land A, but badly in land B. Quality of land influences on growth of plants. My hypothesis was proved. Certain type of plant grows better in land A, but badly in land B. Quality of land influences on growth of plants.