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.
DEFINITION of 'Negotiated Dealing System-NDS'. An electronic trading platform, operated by the Reserve Bank of India, used to facilitate the exchange of government securities and other money market instruments.The negotiated dealing system will also be responsible for hosting new issues of government securities.REAKING DOWN 'Negotiated Dealing System-NDS'. The negotiated dealing system helps the RBI enhance the dealings of fixed income investments.