Agronomy Basic 2

Question 1

Which soil texture has the largest individual particle size?

Accepted Answer

Sand

Answer

Sand particles are the largest, ranging from 0.05 to 2.0 mm in diameter.

Question 2

What is the primary purpose of crop rotation in agronomy?

Accepted Answer

Break pest and disease cycles while maintaining soil fertility

Answer

Crop rotation disrupts pest and disease cycles and helps maintain soil nutrient balance by alternating crops with different nutrient needs.

Question 3

What does the term 'photoperiodism' refer to in plants?

Accepted Answer

A plant's response to the relative length of day and night

Answer

Photoperiodism is a plant's physiological response to the duration of light and dark periods, which often triggers flowering.

Question 4

Which macronutrient is most commonly associated with promoting root development in crops?

Accepted Answer

Phosphorus (P)

Answer

Phosphorus is essential for energy transfer and root development, often applied to encourage strong root systems.

Question 5

What is 'no-till farming' primarily designed to conserve?

Accepted Answer

Soil structure and organic matter

Answer

No-till farming avoids disturbing the soil, which conserves soil structure, reduces erosion, and maintains organic matter levels.

Agronomy Practice Test