Certified Crop Advisor Practice Exam

What characteristic helps weeds survive and remain competitive in agricultural settings?

1. Low seeding rate

2. High growth rate

3. High nutrient demand

4. Slow reproduction

The correct answer is: High growth rate

A high growth rate is a crucial characteristic that helps weeds survive and remain competitive in agricultural environments. Weeds often grow rapidly, which allows them to establish themselves quickly and outcompete desirable crops for sunlight, water, and nutrients. This trait is particularly important in environments where agricultural practices, such as tillage or crop rotation, may disturb the soil and create opportunities for quick establishment. Weeds that can grow fast can also quickly reach maturity and produce seeds, ensuring their continued presence in the field. This adaptive strategy maximizes their reproductive success and enhances survival even in competitive or stressful conditions. This characteristic is fundamental to their persistence and the challenges they pose for crop production.