Smart farming is a development that has emphasized information and communication technology used in machinery, equipment, and sensors in network-based hi-tech farm supervision cycles. Innovative technologies, the Internet of Things (IoT), and cloud computing are anticipated to inspire growth and initiate the use of robots and artificial intelligence in farming. Such ground-breaking deviations are unsettling current agriculture approaches, while also presenting a range of challenges. This paper investigates the tools and equipment used in applications of wireless sensors in IoT agriculture, and the anticipated challenges faced when merging technology with conventional farming activities. Furthermore, this technical knowledge is helpful to growers during crop periods from sowing to harvest; and applications in both packing and transport are also investigated.

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A soil resource inventory was conducted at village level in all the blocks of Dharmapuri district, Tamil Nadu to assess the micronutrients status in the soils and to prepare fertility maps depicting the extent of soil micronutrient deficiency/sufficiency using GIS and GPS techniques. Soil samples were collected at Panchayat village wise along with geo coordinates and analysed for available micronutrients such as Zn, Fe, Cu, Mn and B by adopting standard procedures. Based on the nutrient status, the soils were grouped as deficient or sufficient using the critical limits. Per cent deficiency of micronutrients in each block was worked out and the thematic maps showing status of different available micronutrients were generated at block level. The results indicated that, Zn deficiency is most prevalent in the soils of all the blocks in Dharmapuri to an extent of 67.4 per cent, followed by Cu (7.8 %) and B (6.8 %), where as the other micronutrients were in sufficient level.

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