What are the three main claims about compost tea discussed in the video?

Compost Tea Effectiveness and Limitations

Interactive Video
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Biology
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It reduces water usage, increases sunlight absorption, and improves air quality.
It increases plant height, improves leaf color, and enhances root growth.
It adds nutrients, combats pathogens, and adds microbes to the soil.
It adds nutrients, reduces pests, and improves soil structure.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the video, what is a limitation of the nutrient addition claim for compost tea?
Compost tea can only be used on certain plants.
The nutrients in compost tea are not absorbed by plants.
The total amount of nutrients in compost tea is the same as the starting materials.
Compost tea evaporates quickly, losing its nutrients.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is foliar spraying with compost tea not an effective way to provide macronutrients to plants?
Leaves cannot absorb any nutrients.
Macronutrients are too large to be absorbed through leaves.
Foliar spray damages the leaves.
Plants need more macronutrients than foliar spray can provide.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a flaw in the logic of using compost tea to reduce plant diseases?
Compost tea is too expensive to produce.
The microbes in compost tea may not survive on leaves.
Compost tea attracts more pests than it repels.
The nutrients in compost tea are harmful to plants.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do most studies show about the effectiveness of compost tea in controlling plant diseases?
Compost tea has no effect or can even increase diseases.
Compost tea works best when mixed with chemical pesticides.
Compost tea consistently reduces plant diseases.
Compost tea is only effective in controlled environments.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the concept of microbial capacity in soil?
Soil can only hold a fixed number of microbes based on available resources.
Soil can hold an unlimited number of microbes.
Microbial capacity is determined by the soil's pH level.
Microbial capacity increases with the addition of compost tea.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did the five-year study conclude about the effectiveness of compost tea compared to other methods?
Compost tea improved soil structure more than other methods.
Compost tea was the most effective method tested.
Compost tea was less effective than mulch and wood chips.
Compost tea significantly improved plant growth.
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