NanoBiofertilizer and its Application in Sustainable Agriculture, Crop Specific Nutrients Delivery and Environmental Sustainability: A Review

Abstract

Probiotic bacteria are increasingly in demand in the food and feed industries. A growing population and finite resources require efficient ways to maximize yields. Probiotic bacteria are gaining popularity in the food and feed industries due to their unique combination of benefits and values, which include consumer health interests, sustainability values, food innovation, and potential business opportunities. The use of conventional fertilizers can increase crop production but can also cause runoff and toxicity issues. A nanobiofertilizer offers improved crop nutrition and reduces application rates. Slow-release properties minimize environmental losses while nanoscale particle size enhances nutrient absorption. If nanobiofertilizers are closely regulated, they can boost yields without destroying the soil and aquatic ecosystems. In recent years, nanobiofertilizers have received considerable attention. Plant extracts and microbes are used in green synthesis to produce eco-friendly nanoparticles. Crop-specific nutrient release can be tailored using modified nanoparticle surfaces. Controlled nutrient delivery is achieved by smart nanocarrier systems that adapt to changing soil moisture, pH, and microbial activity. Combined applications of plant growth-promoting rhizobacteria have been reported that they can enhance crop growth in synergy. This review presents an overview of the most recent studies on nanobiofertilizers, as well as the issues connected with their environmental implications, safety, and regulation, presenting a roadmap for the responsible use of nanobiofertilizers, which aims to enhance food security while protecting the environment for future generations.