The concept of “Law of Minimum” was proposed by:

Correct option is A

· Justus von Liebig gave the Law of Minimum (1840):
· Growth is limited by the nutrient in shortest supply.
Why other options are wrong
· (b) Mitscherlich → Law of Diminishing Returns.
· (c) Blackman → Law of Limiting Factors (rate-dependent).
· (d) Sprengel → Earlier work on soil nutrients but not Law of Minimum.