Plants can use up to five times more CO2 than naturally occurs in air. CO2, essential to photosynthesis, is often the most overlooked element limiting plant gro

Indoor and greenhouse gardeners can increas plant growth by up to 200% by adding CO2 to their gardens. Gold and Rosenthal explain exactly how to set up a system

In the past decade, the increase in affordable and available devices that monitor plant growth has seen a rise in the number of indoor gardeners as well as heal

A step-by-step guide for growing perfect cuttings, including information on disease-free gardening; yield experimentation; temperature, light and humidity contr

Includes a step-by-step guide to achieving between 20 and 50% higher yields with rockwool; instructions on creating a rockwool hydro gardne; how to make p[lants