Who proposed the law of minimum?

Options

A. Blackman
B. Liebig
C. Van Helmont
D. Blauber Mayhow

Answer

**Step-by-Step Solution:**

1. **Understanding the Law of Minimum**: The law of minimum states that if one essential nutrient is deficient, the growth of the plant will be poor, even if other nutrients are present in sufficient quantities. This means that the lack of one vital nutrient can limit the overall growth and health of the plant.

2. **Identifying the Proposer**: The law of minimum was proposed by a scientist. To find out who that is, we need to look at historical contributions in the field of plant nutrition.

3. **Historical Context**: The law of minimum is often associated with the work of Justus von Liebig, a German chemist who is known for his contributions to agricultural chemistry. He emphasized the importance of essential nutrients for plant growth.

4. **Conclusion**: Based on the information gathered, the law of minimum was proposed by Justus von Liebig.

5. **Final Answer**: Therefore, the correct answer to the question "Who proposed the law of minimum?" is Justus von Liebig.

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