Crop variety performance is determined by both genetic potential and the environment in which it is cultivated. Among environmental factors, including climate, management practices, and biotic and abiotic stresses, soil properties exert a particularly strong influence, shaping genotype × environment (G × E) interactions. Soil governs nutrient dynamics, water availability, root development, and microbial associations through its chemical (pH, nutrient-holding capacity, and fertility), physical (texture, structure, depth, and bulk density), and biological (organic carbon, microbial population and diversity, and enzymatic activity) attributes. These properties influence key plant traits such as root depth, length, density, surface area, volume, root hair density, and architecture, as well as nutrient uptake efficiency, water extraction capacity, and tolerance to edaphic stresses. They also interact with agronomic interventions such as tillage, irrigation scheduling, residue management, and organic inputs, creating a dynamic interface for genotype expression. Since varieties respond differently to edaphic variability, breeding programs must prioritize location- and soil-specific varietal development. Multi-location and multi-season trials are essential to identify genotypes that combine adaptability to specific soil constraints with stability across diverse conditions. Integrating soil-specific genotype selection with precision agriculture, targeted nutrient management, and specific amendments can improve yield stability, resource-use efficiency, and resilience to climatic variability. A deeper understanding of soil-mediated G × E interactions will enable the development of resilient cultivars and optimized management strategies, ultimately advancing climate-smart smart sustainable agriculture and ensuring productivity under variable edaphic and environmental conditions.