Absorption and critical levels of phosphorus in castor bean shoots grown in different soil classes
Soil that has a high degree of weathering, with more inorganic P bound to Fe and Al oxides, has less P availability to plants. Thus, the critical element of a plant refers to the level below which the growth rate and plant production decreases, demonstrating the need for supplementary fertilization....
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Universidade Estadual de Londrina
2014-02-01
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Series: | Semina: Ciências Agrárias |
Subjects: | |
Online Access: | http://www.uel.br/revistas/uel/index.php/semagrarias/editor/submission/14789 |