noun
cultivation using artificial lighting; artificial light culture
Agricultural technique where plants are grown with supplemental electric lighting, often to extend day length or control flowering.
電照栽培によって、冬でも菊を出荷できる。
With artificial light cultivation, chrysanthemums can be shipped even in winter.
促成栽培 refers to forcing crops to grow faster, often using heat or other methods, while 電照栽培 specifically uses artificial lighting.
Compound of 電照 (electric lighting) and 栽培 (cultivation).