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Pesquisa Agropecuária Brasileira

Print version ISSN 0100-204X


SOUSA, Antonio Evami Cavalcante et al. Oil content in physic nut in function of wastewater levels. Pesq. agropec. bras. [online]. 2011, vol.46, n.1, pp.108-111. ISSN 0100-204X.

The objective of this work was to study the influence of different levels of wastewater and two doses of phosphorus on the productivity and oil content of physic nut seeds. A randomized design in a 5x2 factorial arrangement was used, with four replicates with one plant per plot. Treatments consisted of a combination of five levels of irrigation depths (0.25, 0.50, 0.75, 1.00 and 1.25 of water consumption) and two doses of P2O5 (135 and 200 g per plant) per year. The productivity and oil content of the seeds were positively and significantly affected by water depths, while phosphorus doses had no influence.

Keywords : Jatropha curcas; water stress; productivity.

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