Nanotechnology Facilitated Real Time Soil Monitoring for Optimized Crop Production
Hiren Das, Sushil Kumar Singh, Elora Priyadarshini, C.L. Maurya, Awanindra Kumar Tiwari, Shani Gulaiya, Sagar Kashinath Khokale, Chandan Kumar Panigrahi, Bal Veer Singh
Asian Journal of Soil Science and Plant Nutrition · pp. 582–607 · Published 2 Jun 2024
10.9734/ajsspn/2024/v10i2315Abstract
Nanotechnology has emerged as a powerful tool for advancing precision agriculture through real-time soil monitoring. By leveraging nanoscale sensors, nanoparticles, and nanomaterials, it is now possible to continuously track key soil parameters such as moisture, nutrient levels, pH, and microbial activity at an unprecedented level of spatial and temporal resolution. This real-time data enables farmers to make informed decisions regarding irrigation, fertilization, pest control, and other management practices, ultimately optimizing crop yield and quality while minimizing environmental impact and resource use. Nanomaterials like carbon nanotubes and graphene offer unique properties such as high sensitivity, fast response time, and low power consumption, making them ideal for developing wireless sensor networks that can be deployed in the field for extended periods. Nano-functionalized hydrogels and nanoclays show promise as slow-release fertilizer carriers and water retention agents. Novel nano-biosensors can detect plant pathogens, pollutants, and other stressors at extremely low concentrations, allowing for early intervention. Data collected by nanosensors can be transmitted to cloud-based platforms for advanced analytics and integration with other precision ag technologies like variable rate application, robotics, and digital twins. However, challenges remain in terms of large-scale manufacturing, standardization, cost reduction, and addressing potential ecological and health risks of nanomaterials. Ongoing research aims to develop biodegradable and biocompatible nanostructures, improve stability and durability under harsh field conditions, and establish safety and regulatory guidelines. Multidisciplinary collaboration between nanoscientists, agronomists, engineers, and data scientists will be key to realizing the full potential of nanotechnology for sustaining global food security in the face of climate change and population growth. With responsible development and application, nanotechnology-enabled real-time soil monitoring can revolutionize how we understand and manage one of our most critical natural resources.
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