Effects of Organic Acids Application on  Olsen- extractable P and Eggplant  (Solanum melongena) Yield

Dagoberto Osorio; Ken Mix

doi:10.9734/IJPSS/2016/24271

Research Article Open access CC BY 4.0

Effects of Organic Acids Application on Olsen- extractable P and Eggplant (Solanum melongena) Yield

Dagoberto Osorio, Ken Mix

International Journal of Plant & Soil Science · pp. 1–12 · Published 7 Mar 2016

10.9734/IJPSS/2016/24271

Abstract

This study investigated two low molecular weight organic acids (LMWOA), oxalic and citric acid, ability to mineralize fixed P in soils and the effects on production of eggplant when compared to conventional triple superphosphate fertilizer (TSP). Two calcareous soils were used: An alkaline (pH 7.6-7.8) Vertisol in the Houston Black soil series and a slightly acidic (pH 6.5-6.8) Mollisol in the Tarpley soil series. The Houston Black soil test indicated no significant difference in extractable P when comparing treatments of oxalic, citric acid or applied triple superphosphate (TSP) fertilizer (P > 0.05). Similarly, eggplant yields indicated no significant difference (P > 0.05) between treatments for this soils series. In the Tarpley series, LMWOA treatments produced significantly less extractable P and eggplant yield (P < 0.05) when compared to applied TSP fertilizer.

Calcareous soils extractable phosphorus non-renewable resources organic acids peak phosphorus

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Dagoberto Osorio, Ken Mix (2016). Effects of Organic Acids Application on Olsen- extractable P and Eggplant (Solanum melongena) Yield. International Journal of Plant & Soil Science , 1–12. https://doi.org/10.9734/IJPSS/2016/24271

Affiliations

Dagoberto Osorio — Soil Conservation, Natural Resources Conservation Service (NRCS), United States Department of Agriculture (USDA), USA
Ken Mix — Department of Agriculture, Texas State University, USA

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