Correlation between the quantity of phosphorus in the soil and its quantity in the runoff in a cultived field at a selected farm

Wesołowski, P.; Brysiewicz, Adam; Pietrzak, S.

doi:10.5601/jelem.2016.21.1.1103

Cited by 3 publications

(6 citation statements)

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“…They were indeed largely characterized by very low or low level of Pin case of plots with mineral soils, 72% of them were affected by this problem. It should be emphasized that in case of serious P deficiencies in soil (as identified in the research area), relatively small amounts of this component are found in surface runoff (Pietrzak et al, 2017), which, given the episodic character of the formation of runoffs, indicates that the risk of surface water quality under these conditions should not be overestimated.…”

Section: Resultsmentioning

confidence: 94%

“…This problem is most commonly considered in terms of interactions between the content of plant available P in soil (determined by various methods, for example Mehlich 3, Olsen, Egner-Riehm), and P saturation in runoff water. Using this approach, it was proved that as P content in soil increases, its amount increases along with surface runoff (Torbert et al, 2002;Sharpley & Kleinman, 2003;Pietrzak et al, 2017), yet the system of cultivation of plants and the type of soil have an impact, too (Gaj, 2008after: Sharpley et al, 1981. It should be emphasized that the existing P agrochemical tests are not equally useful for testing all soil types -which is a factor limiting their use.…”

Section: Introductionmentioning

confidence: 99%

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Risk of phosphorus loss in surface runoff from agricultural land in the Baltic Commune of Puck

Pietrzak

Pazikowska-Sapota²,

Dembska³

et al. 2019

Preprint

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Background. Risk assessment of Phosphorus (P) losses in surface runoff from agricultural land is the basic measure that should be used as a part of actions taken to counteract the water eutrophication in watercourses and water reservoirs. To assess this risk, a new method has been recently developed based on the determination of degree of P saturation (DPS) which depends on P content in soil determined with the use of distilled water (water-soluble P – WSP). Methods. Based on DPS method, the risk of P losses in surface runoff from agricultural land in Puck Commune (Baltic Sea Coast) was assessed and a critical analysis of assessment results was carried out. The research was conducted on mineral and organic soils from 50 and 11 separate agricultural plots with a total area of 133.82 and 37.23 ha, respectively. In collected soil samples, P content was determined using distilled water (all soil samples), Egner-Riehm method (mineral soils) and extract of 0.5 mol HCl ∙ dm-3 (organic soils). The results of determinations P content in water extract from soils were converted to DPS values, which were classified by appropriate limit intervals. Results & Discussion. It was found that on 96.7% of tested agricultural parcels (96% plots with mineral soils and 100% plots with organic soils) there was a potentially high risk of P losses from soil by surface runoff. At the same time, it was ascertained that in soils from 62% of agricultural plots, there was a large deficiency of plant available P. Due to the above, as well as due to the lack of connection with other factors affecting the P losses in surface runoff such as type of crop and area inclination, it was considered that the assessment based on the DPS index may be unreliable.

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Section: Resultsmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Risk of phosphorus loss in surface runoff from agricultural land in the Baltic Commune of Puck

Pietrzak

Pazikowska-Sapota²,

Dembska³

et al. 2019

Preprint

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“…Deficient soils were characterized by very low or low levels of P. In the case of plots with mineral soils, 72% were affected by this problem. In cases of serious P deficiencies in the soil, relatively small amounts of this component were found in the surface runoff (Brysiewicz, Wesołowski & Pietrzak, 2017). Given the episodic character of runoff, the risk of surface water quality problems under these conditions should not be overestimated and STP and environmental soil P tests may have yielded opposite assessments due to the P retention capacity in deficient soils.…”

Section: Discrepancy Between Dps Indicator and Stp' Resultsmentioning

confidence: 99%

“…The threat to rivers and reservoirs by P loss from agricultural soils has been of interest to researchers for years. This problem is most commonly considered in terms of interactions between the content of plant-available P in soil (determined by various methods, for example, Mehlich 3, Olsen, Egner-Riehm), and P concentration in runoff water; it has been proven that an increase in the P content in soil will correspond to an increased amount of P in surface runoff (Pote et al, 1996;Torbert et al, 2002;Brysiewicz, Wesołowski & Pietrzak, 2017). However, the system for cultivating plants and the type of soil also have an impact (Gaj, 2008after: Sharpley et al, 1981.…”

Section: Introductionmentioning

confidence: 99%

Risk of phosphorus losses in surface runoff from agricultural land in the Baltic Commune of Puck in the light of assessment performed on the basis of DPS indicator

Pietrzak

Pazikowska-Sapota

Dembska

et al. 2020

PeerJ

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Background: In order to counteract the eutrophication of waterways and reservoirs, a basic risk assessment of phosphorus (P) losses in the surface runoff from agricultural land should be included in water management plans. A new method has been developed to assess the risk of P losses by estimating the degree of P saturation (DPS) based on the P concentration of the water extract water-soluble P. Methods: The risk of P losses in surface runoff from agricultural land in the Puck Commune on the Baltic Sea Coast was assessed with the DPS method. The results were compared to an agronomic interpretation of the soil test P concentration (STP). Research was conducted on mineral and organic soils from 50 and 11 separate agricultural plots with a total area of 133.82 and 37.23 ha, respectively. Phosphorus was extracted from the collected samples using distilled water on all soil samples, acid ammonium lactate on mineral soils, and an extract of 0.5 mol HCl·dm −3 on organic soils. The organic matter content and pH values were also determined. The results of the P content in the water extracted from the soils were converted into DPS values, which were then classified by appropriate limit intervals. Results and discussion: There was a high risk of P losses from the soil via surface runoff in 96.7% of the agricultural parcels tested (96% of plots with mineral soils and 100% of plots with organic soils). Simultaneously, a large deficiency of plant-available P was found in soils from 62% of agricultural plots. These data indicate that the assessment of P concentration in soils made on the basis of an environmental soil P test conflicts with the assessment made based on STP and create a cognitive dissonance. The risk level of P losses through surface runoff from the analyzed plots as determined by the DPS indicator is uncertain. This uncertainty is increased as the DPS index is not correlated with other significant factors in P runoff losses, such as the type of crop and area inclination.

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“…Manuscript to be reviewed in soil will correspond to an increased amount of P in surface runoff (Pole et al, 1996;Torbert et al, 2002;Pietrzak, Wesołowski & Brysiewicz, 2017). However, the system for cultivating plants and the type of soil also have an impact (Gaj, 2008after: Sharpley et al, 1981.…”

Section: Introductionmentioning

confidence: 99%

Peer Review #2 of "Risk of phosphorus losses in surface runoff from agricultural land in the Baltic Commune of Puck in the light of assessment performed on the basis of DPS indicator (v0.2)"

Costa¹

2020

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Background. In order to counteract the eutrophication of waterways and reservoirs, a basic risk assessment of phosphorus (P) losses in the surface runoff from agricultural land should be included in water management plans. A new method has been developed to assess the risk of P losses by estimating the degree of P saturation (DPS) based on the P concentration of the water extract (water-soluble P-WSP). Methods. The risk of P losses in surface runoff from agricultural land in the Puck Commune on the Baltic Sea Coast was assessed with the DPS method. The results were compared to an agronomic interpretation of the soil test P concentration (STP). Research was conducted on mineral and organic soils from 50 and 11 separate agricultural plots with a total area of 133.82 and 37.23 ha, respectively. P was extracted from the collected samples using distilled water on all soil samples, acid ammonium lactate on mineral soils, and an extract of 0.5 mol HCl•dm-3 on organic soils. The organic matter content and pH values were also determined. The results of the P content in the water extracted from the soils were converted into DPS values, which were then classified by appropriate limit intervals. Results & Discussion. There was a high risk of P losses from the soil via surface runoff in 96.7% of the agricultural parcels tested (96% of plots with mineral soils and 100% of plots with organic soils). Simultaneously, a large deficiency of plant-available P was found in soils from 62% of agricultural plots. These data indicate that the assessment of P concentration in soils made on the basis of an environmental soil P test conflicts with the assessment made based on STP and create a cognitive dissonance. The risk level of P losses through surface runoff from the analyzed plots as determined by the DPS indicator is uncertain. This uncertainty is increased as the DPS index is not correlated with other significant factors in P runoff losses, such as the type of crop and area inclination.

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Correlation between the quantity of phosphorus in the soil and its quantity in the runoff in a cultived field at a selected farm

Cited by 3 publications

References 0 publications

Risk of phosphorus loss in surface runoff from agricultural land in the Baltic Commune of Puck

Risk of phosphorus loss in surface runoff from agricultural land in the Baltic Commune of Puck

Risk of phosphorus losses in surface runoff from agricultural land in the Baltic Commune of Puck in the light of assessment performed on the basis of DPS indicator

Peer Review #2 of "Risk of phosphorus losses in surface runoff from agricultural land in the Baltic Commune of Puck in the light of assessment performed on the basis of DPS indicator (v0.2)"

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