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Nitrogen management has a substantial impact on crop growth stages and yields. Split nitrogen administration at specific growth stages improves nutrient utilization, reduce losses and increase yield. Several studies have shown that applying nitrogen in fractions throughout the life cycle improves nutrient uptake efficiency while minimizing environmental contamination. Proper judicious nitrogen application impacts soil properties by affecting nutrient availability. Nitrogen management based on the Leaf Color Chart (LCC) is successful in terms of optimizing nitrogen delivery and enhancing yield characteristics. Silicon fertilization has shown encouraging outcomes in terms of plant growth, yield, and stress tolerance across a variety of crops. Silicon also improves the soil features such as nutrient availability and pH regulation, resulting in increased plant nutrient uptake. The interaction effects of silicon with other nutrients show synergistic effects that improve nutrient absorption and yield. Silicon interacts with nitrogen, phosphorus, potassium, and other nutrients, which promotes crop performance and nutrient efficiency. Application of nitrogen and silicon management strategies can boost crop yield, nutrient efficiency, and sustainability in agricultural systems. However, additional research is needed to understand the intricate mechanisms behind the interactions of nitrogen, silicon, and other nutrients in crop-soil systems to develop more effective nutrient management strategies. This review deals with different aspects of nitrogen fertilization in crops and simultaneous silicon application and interaction among both. The aspects of growth parameters, yield attributes, yield, economics, soil characteristics and efficiency studies have been assessed.
Paul et al. (Sun,) studied this question.