Key Terms (See related pages) essential nutrients hydroponics macronutrients micronutrients osmotic potential assimilate biogeochemical cycles weathering water-holding capacity humus topsoil the A horizon the B horizon the C horizon bedrock rhizosecretion 10-20-10 absorption mycorrhizae siderophores nitrate ammonium Rhyizobium legume family nodules nitrogen-fixing Cyanobacteria Azotobacter nitrites transpiration xylem sap concentration gradient cohesion-tension theory adhesion cavitation crown osmosis water-absorbing interface apoplastically symplastically apoplast plasmodesmata casparian strip plastids phloem sap sucrose honeydew phloem sieve tubes sink source pressure flow theory loading unloading
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Home > Chapter 27 > Key Terms

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