COPY: Managing Greenhouse Environments

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What is a consequence of high humidity in greenhouses?

Increase in crop yield

Reduction of pests

Improvement of plant growth

Encouragement of disease development (correct)

Plants should be planted closely together to enhance air circulation.

False

What is one method to reduce condensation in heated greenhouses?

Late afternoon ventilations

_________ fans are used in greenhouses to circulate air and reduce humidity.

Exhaust Signup and view all the answers

Match each air circulation technique to its purpose:

Fans = Circulate air and reduce humidity Ventilation = Exchange warm air with cooler air Plant spacing = Facilitate air movement Overhead baskets = Reduce water evaporation Signup and view all the answers

Which of the following factors influences the orientation of a ridge vent in a greenhouse?

Prevailing winds Signup and view all the answers

Hanging baskets can improve humidity levels in crop canopies.

True Signup and view all the answers

Which of the following is a method to manipulate ventilation in high tunnels?

Opening sidewalls and ridge vents Signup and view all the answers

Temperatures outside the normal range of growth do not affect plant stress levels.

False Signup and view all the answers

What is a recommended solution for surface sterilizing tools and benches?

A dilute solution of household bleach (9 parts water to 1 part bleach) Signup and view all the answers

Good air drainage and gentle __________ are important for selecting a site for new construction.

slopes Signup and view all the answers

Match each practice with its purpose in high tunnel management:

Surface sterilization = Prevent spread of pathogens Regular cleaning of landscape cloth = Maintain cleanliness between cropping seasons Replacing plastic liners = Prevent contamination Monitoring temperatures = Control plant stress levels Signup and view all the answers

What can puddling water on greenhouse floors lead to?

Weedy growth and pathogen sources Signup and view all the answers

What is one of the main factors contributing to increased disease incidence in greenhouses and high tunnels?

High relative humidity Signup and view all the answers

Daytime relative humidity levels between 25% to 70% are usually supportive of pathogen growth.

False Signup and view all the answers

Sweeping landscape cloth between cropping seasons is unnecessary and can be skipped.

False Signup and view all the answers

Name one environmental factor that can stress plants in high tunnels.

Temperature Signup and view all the answers

What temperature and humidity conditions favor the development of plant pathogens?

High humidity above 90% and warm temperatures. Signup and view all the answers

To manage plant diseases, it is important to control and in greenhouse environments.

humidity Signup and view all the answers

Hoses left on the ground may become contaminated with __________.

plant pathogens Signup and view all the answers

Match the following terms with their correct descriptions related to greenhouse management:

High humidity = Promotes disease incidence when above 90% Temperature control = Essential for pathogen management Ventilation = Helps to reduce humidity levels Air circulation = Prevents localized dampness Signup and view all the answers

Which ventilation strategy is most effective in managing high humidity levels in greenhouses?

Opening vents Signup and view all the answers

Why is maintaining air circulation critical in a greenhouse?

To prevent localized dampness and reduce disease spread. Signup and view all the answers

High levels of leaf wetness contribute positively to plant growth in greenhouse settings.

False Signup and view all the answers

Effective __________ strategies can help manage temperature and humidity, minimizing disease risk.

ventilation Signup and view all the answers

COPY: Managing Greenhouse Environments

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Questions and Answers

What is a consequence of high humidity in greenhouses?

Plants should be planted closely together to enhance air circulation.

What is one method to reduce condensation in heated greenhouses?

_________ fans are used in greenhouses to circulate air and reduce humidity.

Match each air circulation technique to its purpose:

Which of the following factors influences the orientation of a ridge vent in a greenhouse?

Hanging baskets can improve humidity levels in crop canopies.

Which of the following is a method to manipulate ventilation in high tunnels?

Temperatures outside the normal range of growth do not affect plant stress levels.

What is a recommended solution for surface sterilizing tools and benches?

Good air drainage and gentle __________ are important for selecting a site for new construction.

Match each practice with its purpose in high tunnel management:

What can puddling water on greenhouse floors lead to?

What is one of the main factors contributing to increased disease incidence in greenhouses and high tunnels?

Daytime relative humidity levels between 25% to 70% are usually supportive of pathogen growth.

Sweeping landscape cloth between cropping seasons is unnecessary and can be skipped.

Name one environmental factor that can stress plants in high tunnels.

What temperature and humidity conditions favor the development of plant pathogens?

To manage plant diseases, it is important to control and in greenhouse environments.

Hoses left on the ground may become contaminated with __________.

Match the following terms with their correct descriptions related to greenhouse management:

Which ventilation strategy is most effective in managing high humidity levels in greenhouses?

Why is maintaining air circulation critical in a greenhouse?

High levels of leaf wetness contribute positively to plant growth in greenhouse settings.

Effective __________ strategies can help manage temperature and humidity, minimizing disease risk.

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COPY: Managing Greenhouse Environments

Choose a study mode

Podcast

Questions and Answers

What is a consequence of high humidity in greenhouses?

Plants should be planted closely together to enhance air circulation.

What is one method to reduce condensation in heated greenhouses?

_________ fans are used in greenhouses to circulate air and reduce humidity.

Match each air circulation technique to its purpose:

Which of the following factors influences the orientation of a ridge vent in a greenhouse?

Hanging baskets can improve humidity levels in crop canopies.

Which of the following is a method to manipulate ventilation in high tunnels?

Temperatures outside the normal range of growth do not affect plant stress levels.

What is a recommended solution for surface sterilizing tools and benches?

Good air drainage and gentle __________ are important for selecting a site for new construction.

Match each practice with its purpose in high tunnel management:

What can puddling water on greenhouse floors lead to?

What is one of the main factors contributing to increased disease incidence in greenhouses and high tunnels?

Daytime relative humidity levels between 25% to 70% are usually supportive of pathogen growth.

Sweeping landscape cloth between cropping seasons is unnecessary and can be skipped.

Name one environmental factor that can stress plants in high tunnels.

What temperature and humidity conditions favor the development of plant pathogens?

To manage plant diseases, it is important to control __________ and __________ in greenhouse environments.

Hoses left on the ground may become contaminated with __________.

Match the following terms with their correct descriptions related to greenhouse management:

Which ventilation strategy is most effective in managing high humidity levels in greenhouses?

Why is maintaining air circulation critical in a greenhouse?

High levels of leaf wetness contribute positively to plant growth in greenhouse settings.

Effective __________ strategies can help manage temperature and humidity, minimizing disease risk.

More Like This

Smart Farming and Greenhouse Management in Tamil Agriculture Quiz

EVT61704 Sustainable Event Management: Greenhouse Gas Emissions

Greenhouse Environmental Control Quiz

Greenhouse Gas Management and Air Quality

To manage plant diseases, it is important to control and in greenhouse environments.