Incidence of rice (Oryza sativa l.) cultivation on soil hydrophysical properties

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Published: Aug 8, 2023
DOI: https://doi.org/10.37959/revista.v1i18.241
Keywords:
Stable aggregate moisture content real density soil structure hydrophysics

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Yoansy Garcia
Agrarian University of Ecuador
Daniel Mancero
Universidad Agraria del Ecuador
Daniel Ponce de León
St. Elena Peninsula State University
Miguel Guaranda
Agrarian University of Ecuador

Abstract

Rice is one of the most important crops in Ecuador and also one of those that cause the greatest degradation of soil properties. In this sense, the effect of rice cultivation on soil hydrophysical properties was evaluated in the Bejuco Prieto area of Samborondón canton, Guayas province. A completely randomized design with two treatments and three replicates was used: treatment 1 corresponded to the use of soil for rice cultivation and treatment 2 was the control (virgin soil used to compare the degree of degradation). The results obtained for the first treatment indicate a clayey soil texture, apparent density of 1.13 Mg m-3 , real density of 2.61 Mg m-3 , total porosity of 55.33%, moisture content of 45%, structural index of 6.6%; suggesting that the soils are at risk of soil degradation. In addition, the structural factor was 69.9%, organic matter was 3.08%, sodium content in the soil was 104 ppm and sodium in the water sample was 14.08 ppm. The electrical conductivity in saturated paste was 6.8 dS m-1 and in water it ranged between 0.8 and 1.7 dS m-1 while pH was between 6.0 and 7.0. Of the hydrophysical parameters evaluated, electrical conductivity, sodium content, structural stability and organic matter loss were found to be the most sensitive to the deterioration of soil hydrophysical properties. Consequently, it can be affirmed that rice cultivation accelerates soil degradation, which reduces production, increases costs and decreases profitability.

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How to Cite
Garcia, Y. ., Mancero , D. ., Ponce de León , D., & Guaranda, M. . (2023). Incidence of rice (Oryza sativa l.) cultivation on soil hydrophysical properties. Centrosur Agraria, 1(18). https://doi.org/10.37959/revista.v1i18.241
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Vol. 1 No. 18 (2023): July - September
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Articles
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