CEA DEFINITIONS AND BIOLOGY

Understanding the Language of CEA

Glossary for CEA Terms

Explore Greenhub’s cross-disciplinary glossary of Controlled Environment Agriculture (CEA) — a growing knowledge base for greenhouse growers, indoor farm managers, researchers, breeders, and agtech innovators. Here you’ll find concise definitions of key vertical farming and plant science terms that help create a shared language across the CEA industry.

R

Rack System

Tiered growing racks used in vertical farms. (= Shelve Systems, Multilayer)

Raised Benches

Crops lifted above floor level for climate control and ergonomics.  

Randomization

Experimental design method to assign treatments randomly to plants or plots, reducing bias. 

Red:Blue Ratio (R:B)

Ratio of red to blue light affecting morphology and growth. 

Regression Analysis

Statistical method for modeling relationships between variables (e.g., light intensity vs. assimilation rate). 

Relative Humidity (RH)

% water vapor in air. 

Remote Control

Capability to adjust or manage climate, irrigation, lighting, and other systems in a greenhouse or...

Remote Sensing

Use of sensors, imaging, or drones to collect data on plant health, growth, climate, or...

Renewable Energy Integration

Use of solar, wind, geothermal, or other renewable sources to supply greenhouse orindoor farm energy...

Replicate Block

Set of experimental units treated as replicates within a block to account for local environmentaleffects. 

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