Match List I with List II 
Choose the correct answer from the options given below:
Step 1: Understanding the Question:
This question tests knowledge of laws of crop growth and nutrient response.
Step 2: Detailed Explanation:
Law of Minimum (A): Proposed by Liebig (IV).
dy/dx = (A-y) C (B): Mitscherlich's equation (I).
y = M (1-Rx) (C): Spillman's equation (II).
Percent yield (D): Baule's concept (III).
Thus, the correct matching is A-IV; B-I; C-II; D-III.
Step 3: Final Answer:
Thus, the correct answer is A-IV; B-I; C-II; D-III, which corresponds to option (B).
| Chemical | Used as |
| (A) Thiophanate-methyl | (I) Weedicide |
| (B) Atrazine | (II) Insecticide |
| (C) Fenamiphos | (III) Fungicide |
| (D) Afidopyropen | (IV) Nematicide |
