Sustaining agricultural productivity relies on maintaining a soil environment to support the growth of healthy roots. Because roots are not immediately visible, their importance is often overlooked. A number of biological, chemical, and physical stresses in the soil can impair root function and have an immediate effect on plant growth. Boosting water and nutrient use efficiency by roots is an important key for enhancing sustainable agricultural production. A few important root and soil interactions are highlighted in the following article.
Source: Robert Mikkelsen, Better Crops with Plant Food, International Plant Nutrition Institutem Vol. XCIX (99) 2015, No. 1.