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Roots are equal in importance to leaves as the life support system for plants.
Member rating: No Rating | Words: | Submitted: Mon Oct 27 2003
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Roots are equal in importance to leaves as the life support system for plants. Roots are Carbon pumps that feed soil organisms and contribute to soil organic matter, Storage organs, Chemical factories that may change soil pH, poison competitors, they filter out toxins, concentrate rare elements, etc. They are sensor network that helps regulate plant growth, they are absorptive network for limiting soil resources of water and nutrients they have mechanical structures that support plants, strengthen soil, construct channels and break rocks. The epidermis is the outmost layer of roots that functions as the interface between plants and the soil. Cells of the epidermis of young roots. Epidermal cells often have narrow projections called root hairs that extend between soil particles. Root hairs may be long or short, dense, spares, or absent altogether. Root hairs are considered to help in direct mineral nutrient uptake by increasing the surface are of roots....
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