Direct and residual effects on diuron behaviour and persistence following two-phase olive mill waste addition to soil: Field and laboratory experiments

Cabrera, D.; López‐Piñeiro, Antonio; Albarrán, Ángel; Peña, David

doi:10.1016/j.geoderma.2010.04.004

Cited by 26 publications

(16 citation statements)

References 41 publications

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“…Indeed, K f was correlated positively with CHA (r=0.953) and TOC (r=0.849), thereby confirming that some organic matter fractions are involved in terbuthylazine sorption-desorption, and that most of the sorptive performance of the OW-amended soils depends on the organic matter transformed into humic substances. These findings are consistent with those of previous reports identifying aromatic C as having the greatest affinity for different pesticides-diuron (Ahmad et al 2001;Ahangar et al 2008;Cabrera et al 2010) and ethametsulfuronmethyl (Si et al 2006). However, Delgado-Moreno et al (2010) reported that, in an OW-amended soil, triazine sorption was more related to the total amount of organic matter than to its chemical composition, although this result was from a short-term laboratory study in which it is interesting to note that the PG value observed in their OW was 1.5 times lower than the PG value of the OW used in our study, and their unamended soil PG and TOC values were 1.5 and 2.0 times greater, respectively, than in our study.…”

Section: Sorption Studiessupporting

confidence: 93%

“…Similar observations were reported in Cabrera et al (2007), in which it was found that the high WSOC of olive waste may increase pesticide reversibility. Similarly, Cabrera et al (2010) observed greater reversibility of diuron sorption in the laboratory than in the field OW-amended soils.…”

Section: Sorption Studiesmentioning

confidence: 64%

“…To the best of our knowledge, there have been no published studies comparing the cumulative and residual effects of repeated field applications of raw OW on terbuthylazine's fate in soil, although such information would be useful in finding an effective management practice to control the pesticide's leaching and run-off in the agroecosystem receiving this waste. In a previous study, Cabrera et al (2010) reported the usefulness of repeated fresh OW amendment of soils for reducing groundwater contamination by diuron, another herbicide widely used in olive groves.…”

Section: Introductionmentioning

confidence: 99%

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Influence of two-phase olive mill waste application to soil on terbuthylazine behaviour and persistence under controlled and field conditions

et al. 2011

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Purpose Terbuthylazine is one of the most common herbicides used to control weeds in olive groves. Application of two-phase olive mill waste (OW) to soils may play a fundamental role in the management of leaching losses of pesticides, especially in Mediterranean areas where soils are characterized by low organic matter levels. We evaluated the impact of OW amendments on the sorption-desorption, degradation, leaching, and persistence of the herbicide terbuthylazine in a representative olive grove soil from Portugal. Materials and methods The soil was amended in the laboratory with OW at the rates of 5% and 10% (w/w), and in the field at the rates of 0.7% and 1.4% of OW for 7 years. Cumulative and residual effects were evaluated in the last year and 2 years after the last OW field application. A batch equilibration method was used to determine terbuthylazine adsorption-desorption. Leaching experiments were studied in hand-packed soil columns. Half-lives (t 1/2 ) were calculated with incubation studies. In the field study, in order to determine the persistence and distribution of terbuthylazine down the soil profiles, at selected times after the herbicide application, soil subsamples were taken from different soil depths. Results and discussion The OW amendments significantly increased the adsorption of terbuthylazine to the soil. Applications of OW to soil significantly reduced the amount of terbuthylazine leached in the field-amended soil columns, with a major residual decrease (from 19.6% to 2.9% at the greater application rate) 2 years after the last OW application. Leaching losses of the herbicide, however, were increased by up to 69.3% for the laboratory-amended soil columns, mainly promoted by an increase in watersoluble organic carbon content. Addition of OW retarded the degradation of terbuthylazine from 6.7 days for the unamended soil to 15.7 and 89 days at the greater application rate in the field-and the laboratory-amended soils, respectively. In the field study, OW addition decreased terbuthylazine's vertical movement through the amended soils with increasing OW rate.Conclusions The study has shown that OW amendment of olive grove soils may be an effective management practice for reducing the vertical movement of terbuthylazine through the soil. However, leaching loss of this pesticide could potentially increase in fresh OW-amended soils, especially if humification of the organic matter is not favoured. In addition, the use of OW could also increase the risk of surface water contamination, especially if application rates are greater than 30 tha −1 .

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Section: Sorption Studiessupporting

confidence: 93%

Section: Sorption Studiesmentioning

confidence: 64%

Section: Introductionmentioning

confidence: 99%

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Influence of two-phase olive mill waste application to soil on terbuthylazine behaviour and persistence under controlled and field conditions

et al. 2011

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“…The listed properties of adjuvants can influence the concentration of herbicide residues in the soil. Adjuvants strongly influence pesticide delivery, uptake, redistribution, persistence and thus, the final biological performance (Krogh et al 2003;Cabrera et al 2010).…”

Section: Introductionmentioning

confidence: 99%

Degradation Rate of Chloridazon in Soil as Influenced by Adjuvants

Kucharski¹,

Sadowski²,

Domaradzki³

2012

Journal of Plant Protection Research

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Abstract:The aim of this work was to evaluate the influence of an adjuvant addition on chloridazon degradation rate in soil. The experiment was carried out under controlled laboratory conditions. Chloridazon was applied alone and in a mixture with three different adjuvants: oil, surfactant and multicomponent (used for preemergence application). Chloridazon residue was analysed using gas chromatography with electron capture detector (GC/ECD). Good linearity was found between logarithmic concentration of chloridazon residues and time. The addition of oil and surfactant adjuvants slowed down the degradation of chloridazon in soil. The DT 50 values for the mixture of chloridazon + oil and surfactant adjuvants was about 8-14 days higher in comparison with the DT 50 for chloridazon applied alone (43 days). No significant differences were observed between degradation rates and the DT 50 for chloridazon applied alone and with a multicomponent adjuvant.

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“…Como posibles opciones de valorización adicionales, se encuentran: la obtención de productos de alto valor añadido, pectinas y antioxidantes, principalmente (Niaounakis y Halvadakis, 2006;Roig et al, 2006); la aplicación a suelos agrícolas para incrementar la fijación de herbicidas y disminuir su lixiviación, evitándose así la contaminación de acuíferos (Cabrera et al, 2010); y, el aporte al suelo para el control biológico de plagas y enfermedades (Cayuela et al, 2008a), entre otras.…”

Section: De Dos Fases O "Ecológico"unclassified

Caracterización y uso de compost de alperujo como enmienda orgánica. Evaluación agronómica y medioambiental

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Direct and residual effects on diuron behaviour and persistence following two-phase olive mill waste addition to soil: Field and laboratory experiments

Cited by 26 publications

References 41 publications

Influence of two-phase olive mill waste application to soil on terbuthylazine behaviour and persistence under controlled and field conditions

Influence of two-phase olive mill waste application to soil on terbuthylazine behaviour and persistence under controlled and field conditions

Degradation Rate of Chloridazon in Soil as Influenced by Adjuvants

Caracterización y uso de compost de alperujo como enmienda orgánica. Evaluación agronómica y medioambiental

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