US Patent 8468741 Semi-automated crop production system

A semi-automated crop production featuring a growing module with grids of cells for growing plants and a lighting and airflow fixture positioned above each cell. The lighting and airflow fixture features a fan disposed in a housing, a light emitting diode (LED) assembly board comprising LEDs disposed below the fan; a light diffuser disposed below the LED assembly board, and an adjustable air flow nozzle extending downwardly from the fan and protruding through the LED assembly board and the light diffuser. The adjustable air flow nozzle provides directed air flow downwardly toward a bottom area of the housing.