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Photosynthetic responses to nutrient deprivation and toxicities

AutorMorales Iribas, Fermín ; Warren, C. R.
Fecha de publicación2012
EditorCambridge University Press
CitaciónTerrestrial photosynthesis in a changing environment. A molecular, physiological and ecological approach: 312- 330 (2012)
ResumenPlant growth requires the incorporation of elements (nutrients) into plant organs. In non-woody plants, 15–20% of fresh weight is made from such elements, the rest being water. There are two criteria to consider an element as essential. First, an element is essential if a plant cannot complete its lifecycle (till viable seeds) in its absence. Second, an element is essential if necessary to synthesise molecules that cannot be replaced by other element(s) (for example, N in proteins). In natural ecosystems, soil-nutrient availability is rather heterogeneous, and plants may adapt their growth to nutrients taken up by roots exploring a determined soil volume. In agricultural areas, the situation is different. Lack of or excess nutrients are frequent, owing to soil characteristics (which may immobilise nutrients) or to growers’ applications, respectively.
Identificadorese-issn: 9781139051477
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