The Ultimate Greenhouse Engineering for Urban Areas With High GDP Return on Investment

Greenhouse engineering must be
high yield and at the same time achieve
energy, water and soil conservation with
year round growing season. Practical
designs must meeting strict zero (0) water
discharge, locate at urban centers, no use
of toxic chemicals in pesticides and
fertilizers and achieve high GDP return
per unit area. The engineering must meet
optimal growing conditions such as,
temperature, humidity, carbon dioxide,
oxygen, light exposure, light spectrum
exposure and meeting safe and healthy
working environment.