2.3. Unmanned Aerial System (UAS)
From past few years, UAS is an efficient as well as low price platform
for environmental monitoring (Whitehead and Hugenholtz 2014). Owing to
usage of innovative sensors, low cost, development in sensor’s size as
well as spectral resolution UASs have wide range of uses. Both
spaceborne characteristics (i.e., brief revisit period) as well as
airborne platforms (including an extraordinary resolution) are combined
in UAS, and it is the distinctive characteristic of UAS to give
resolution required on the way to protect diversity of
agri-environmental landscapes (Pádua, Vanko et al. 2017). Inspite of
these merits, research related to soil characteristics analysis is
restricted owing to restricted payload, restricted flight duration as
well as issues of image processing (Zhang and Kovacs 2012).