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 software package that helps with the organization and analysis of unstructured data. It will help you: 1  classify, sort, and arrange information. 2  examine relationships in your data.3  guide your data analysis.he observations you make through NVivo can help build a body of evidence to support a case or project. NVivo supports data formats such as audio files, videos, digital photos, Word, PDF, spreadsheets, rich text, plain text, web sites and social media data (Facebook, Twitter, Youtube).