Soil Health Quiz | OceanRemote Education

1 What is the ideal soil pH range for most vegetables?

A) 4.0-5.0 B) 6.0-7.0 C) 8.0-9.0 D) Any pH is fine

2 Which sensor is best for measuring soil pH?

A) DHT22 B) DS18B20 C) pH sensor D) Soil moisture sensor

3 How often should you test soil pH on a farm?

A) Daily B) Weekly C) Every 3 months D) Once a year

4 What does a complete soil monitoring station measure?

A) Only moisture B) Only temperature C) Moisture, temperature, pH D) Only air quality

5 How can you fix soil that is too acidic (low pH)?

A) Add sulfur B) Add lime C) Add salt D) Add sugar

6 What is the typical cost of a basic agricultural pH sensor?

A) $1-5 B) $10-20 C) $50-100 D) $200+

7 Why combine multiple soil sensors?

A) More expensive system B) Better irrigation and fertilization decisions C) Harder to install D) Uses less battery