The advent of Wireless Sensor Networks (WSNs) spurred a new direction of research in agricultural and
farming domain. In recent times, WSNs are widely applied in various agricultural applications. In this
paper, we review the potential WSN applications, and the specific issues and challenges associated with
deploying WSNs for improved farming. To focus on the specific requirements, the devices, sensors and
communication techniques associated with WSNs in agricultural applications are analyzed comprehensively.
We present various case studies to thoroughly explore the existing solutions proposed in the literature
in various categories according to their design and implementation related parameters. In this
regard, the WSN deployments for various farming applications in the Indian as well as global scenario
are surveyed. We highlight the prospects and problems of these solutions, while identifying the factors
for improvement and future directions of work using the new age technologies.