Irrigation Module 2 Quiz | OceanRemote Education

1 What is the general start watering threshold for most crops?

A) 50-60% B) 30-40% C) 70-80% D) 10-20%

2 What is field capacity?

A) When plants wilt B) When soil is dry C) Maximum water soil can hold against gravity D) Minimum water for plants

3 Which soil type has the fastest drainage?

A) Sandy B) Loam C) Clay D) Silt

4 Which soil type holds the most water?

A) Sandy B) Loam C) Clay D) Silt

5 When is crop water demand highest for tomatoes?

A) Seedling B) Vegetative C) Fruit set D) Harvest

6 What is Management Allowed Depletion (MAD)?

A) Maximum water B) Ideal point to start irrigation C) Wilting point D) Field capacity

7 What is the permanent wilting point for most crops?

A) 20-30% B) 40-50% C) 60-70% D) 80-90%