Soil conditioners are physical, chemical, and biological substances that are used to improve the structure of soil, its physical quality, and its ability to provide nutrition for plants. They add texture to the soil, enhance aeration and water holding capacity, and help loosen compact soil. They vary in their composition, application, and overall results when applied to soil. ______ 1. Core competencies of companies are captured in terms of their key developments and key strategies adopted by them to sustain their position in the market.