Which of the following nutrients reduces the risk of birth defects?

• fiber
• folic acid
• potassium
• vintamin a

Which of the following nutrients promotes good eyesight and night vision?

• fiber
• folic acid
• potassium
• vintamin a

Recent data puts US farm receipts from the sale of vegetables and pulses at ____.

• $13.5 billion
• $15.2 billion
• $17.4 billion
• $19.7 billion

What percentage of US crop cash receipts comes from the sale of vegetables and pulses?

• 0.14
• 0.16
• 0.18
• 0.2

How many hours of direct sunlight do vegetables need every day?

• 1-4 hours
• 3-5 hours
• 4-8 hours
• 6-10 hours

Vegetables are made up of ____ water

• 35%–50%
• 50%–65%
• 65%–80%
• 80%–95%

The ideal soil for vegetable production is ____.

• sandy loam
• clayey loam
• sandy clay
• clay

Cool-season vegetables prefer to grow in which temperature range?

• 30°F–50°F
• 40°F–60°F
• 60°F–80°F
• 80°F–95°F

Structures, plants, or features of a landscape that serve as a physical barrier are called ____.

• low tunnels
• mulches
• row covers
• windbreaks

Which of the following is not a factor that is slowed by refrigeration?

• aging
• coloring
• spoilage
• unwanted growth