Soil Microbiology and Conductivity Concepts

Soil Microbiology and Conductivity Concepts

Assessment

Interactive Video

Biology, Science, Chemistry

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video discusses the importance of assessing soil conditions before adding microbes. It explains that soil microbes require specific conditions to thrive, such as proper air and nutrient levels. The video advises against purchasing microbe packs without first evaluating soil compaction, carbon to nitrogen ratio, and electrical conductivity. It suggests using tools like a penetrometer and EC meter to measure these factors. The video emphasizes improving soil conditions with calcium and carbon sources to support indigenous microbes, and provides contact information for further assistance.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do before purchasing a microbe pack for your soil?

Identify the current condition of your soil

Add more water to the soil

Check the soil's pH level

Increase the soil temperature

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What tool is recommended to measure soil compaction?

Barometer

Hygrometer

Thermometer

Penetrometer

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of high-pressure fronts in soil aeration?

They remove nutrients from the soil

They decrease soil temperature

They increase soil moisture

They push air into the soil

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the ideal carbon to nitrogen ratio for microbes to start working effectively?

8 to 1

16 to 1

24 to 1

32 to 1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a handheld EC meter measure in the soil?

Soil temperature

Soil moisture

Microbial heartbeat and salt levels

Soil pH

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of high salt levels on soil microbes?

They change the soil's color

They increase their activity

They become dormant

They thrive and multiply

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to microbes if the soil's electrical conductivity is too high?

They become more active

They change the soil's texture

They are shocked and become inactive

They multiply rapidly

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