Final answer:
Zinc is the key micronutrient important for various plants like corn, sorghum, soybeans, and beans due to its role in enzyme functions and metabolic processes.
Explanation:
Zinc is the most important micronutrient heavily used by plants like corn, sorghum, soybeans, and beans. It plays a crucial role in enzyme functions and metabolic processes within plants. Zinc deficiencies can lead to issues like leaf discoloration or stunted growth.
Learn more about Zinc as an essential micronutrient here:
https://brainly.com/question/24103243
