There are 3 types of bulbs that work well as grow lights: metal halide, high pressure sodium (HPS), and fluorescent. Each type of light fixture has its own advantages and drawbacks. 1  Metal halide bulbs are compact and efficient, producing a very intense light from a small bulb.
The normalized difference vegetation index (NDVI) is a simple graphical indicator that can be used to analyze remote sensing measurements, typically but not necessarily from a space platform, and assess whether the target being observed contains live green vegetation or not.Contents.he normalized difference vegetation index (NDVI) is a simple graphical indicator that can be used to analyze remote sensing measurements, typically but not necessarily from a space platform, and assess whether the target being observed contains live green vegetation or not. Contents.
NVivo is a qualitative data analysis (QDA) computer software package produced by QSR International.Vivo accommodates a wide range of research methods, including network and organizational analysis, action or evidence-based research, discourse analysis, grounded theory, conversation analysis, ethnography, literature reviews, phenomenology, mixed methods research and the Framework methodology.