Abstract
The rhizosphere is an ecological concept that focuses on plant roots. It includes both the biological and physical components near, on, and within the root [9]. Traditionally bacteria, fungi, invertebrate animals and, of course, the root itself have been studied as biological factors affecting this zone. Agriculturists in particular have been aware of how different management activities, such as cultivation, affect organisms around the root, and they often have optimized their cultural practices to promote root and plant growth. To the extent that such persons considered how their activities influenced the availability of mineral nutrients, then some attention has been paid for many years to rhizosphere chemistry. In actual fact, however, it has only been recently that scientists have defined molecules produced by plants and bacteria which control ecologically important events in the rhizosphere.
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Phillips, D.A., Streit, W.R. (2003). Rhizosphere Signals and Ecochemistry. In: Heldmaier, G., Werner, D. (eds) Environmental Signal Processing and Adaptation. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-56096-5_3
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