Iowa Right-of-Way Herbicide Practice Exam

Question: 1 / 400

What is the general purpose of using herbicides in agriculture?

To enhance soil fertility

To control unwanted plant growth

The primary purpose of using herbicides in agriculture is to control unwanted plant growth. Farmers apply herbicides to eliminate or reduce competing weeds that can otherwise hinder the growth of crops by competing for resources such as nutrients, water, and sunlight. By managing these unwanted plants, farmers can create a more favorable environment for their desired crops, which can lead to improved overall crop health and productivity.

While enhancing soil fertility, increasing crop yield directly, and promoting biodiversity are important aspects of agricultural practices, they are not the main function of herbicides. Instead, herbicides focus specifically on managing the presence of weeds, which enables farmers to cultivate their crops more effectively and sustainably.

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To increase crop yield directly

To promote biodiversity

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