Assessment and Modeling of Soil Available Phosphorus in Sustainable Cropping Systems

Ziadi, Noura; Whalen, Joann K.; Messiga, Aimé J.; Morel, Christian

doi:10.1016/b978-0-12-417187-9.00002-4

Cited by 73 publications

(48 citation statements)

References 170 publications

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“…Liming enhances plant- ions from the soil adsorption sites resulting in increase in soil pH. Therefore, the increase in soil available P could be due to the reduction in phosphorus fixation by Al and Fe oxides effected of lime (Kisinyo et al, 2012;Ziadi et al, 2013). Data presented in Table 4 indicate that the amounts of plant-available P taken up by the plants in acid soil were quite small -186 mg kg -1 P 2 O 5 , or 20.8% of total P (Table 4).…”

Section: Resultsmentioning

confidence: 99%

“…Plant-available P is the fraction of total P in soil that is readily available for absorption by plant roots. The major constraint in achieving adequate phosphorus nutrition in crops arises from the fact that plant available P diffuses slowly through the soil solution toward roots, complicated by the fact that migrating P ions are susceptible to chemical fixation in most agricultural soils (Ziadi et al, 2013). Phosphorus extracted from the soil and determined using A-L method was regarded in our research as a constituent of the plant-available phosphate group.…”

Section: Resultsmentioning

confidence: 99%

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The distribution of phosphorus forms and fractions in Retisol under different soil liming management

Jokubauskaitė

Karčauskienė

Antanaitis

et al. 2015

Zemdirbyste-Agriculture

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Investigations on phosphorus (P) distribution in a naturally acid and limed moraine loam, Bathypogleyic Dystric Glossic Retisol were conducted in a site of a long-term experiment at the Vėžaičiai Branch of Lithuanian Research Centre for Agriculture and Forestry in 2008 and 2011. The aim of the present study was to determine the distribution of different phosphorus forms and fractions in naturally acid soil limed for a long time (62 years). During this study different amounts (18.4 and 104.9 t ha -1 ) of lime materials were incorporated into the soil and affected the formation of two soil pH KCl levels -acidic (5.6) and near to neutral (6.7). Seven different organic and mineral phosphate fractions and plant-available phosphorus were determined in the soil. The long-term soil liming was found to have no significant effect on the total P content and its distribution, but caused the changes in the proportions between the different phosphorus forms. Major part of mineral (74.02-83.68%) and organic (88.9-93.8%) P was composed of Al and Fe phosphates. Soil liming using ×2.0 liming rates every 3-4 years influenced a significant increase of the phosphates (AlPO 4 and Al(Fe)PO 4 ) little-available to plants obtained by the second cycle of extraction. It was determined that when soil pH becomes near to neutral, water soluble and plant-available P increases compared to its value measured at native pH. Increase of soil pH KCl till 6.7 had a significant effect on the amount of little plant-available Ca phosphates and less soluble organic phosphorus fraction amount in soil. The relatively optimal amounts of phosphorus fractions available for plants were determined in the soil with a pH KCl of 5.6, achieved by liming with a 0.5 rate every 7 years.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

The distribution of phosphorus forms and fractions in Retisol under different soil liming management

Jokubauskaitė

Karčauskienė

Antanaitis

et al. 2015

Zemdirbyste-Agriculture

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“…The lower Olsen-P in ADM-than CM-and SS-amended soils and similar Olsen-P between CM-and SS-amended soils largely reflected the amount of P applied during the experimental period due to the greater N/P ratio in ADM (7.0) than CM (3.5) and SS (3.8). Limiting Olsen-P (soil test P) accumulation is important because this P is susceptible to hydrologic loss pathways, primarily via runoff and leaching (Pote et al, 1996;Sims et al, 2000;Olson et al, 2010a;Kumaragamage et al, 2011;Ziadi et al, 2013). Because the N/P ratio of ADM (7.0) was relatively close to that of the barley forage (8.8), the ADM-amended soil had a significantly lower risk of P accumulation than soils receiving CM or SS.…”

Section: Olsen-phosphorusmentioning

confidence: 99%

Agronomic Values of Anaerobically Digested Cattle Manure and the Separated Solids for Barley Forage Production

Hao

Thomas

Nelson

et al. 2016

Soil Science Soc of Amer J

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As biogas production expands, digestates from that industry are increasingly available as potential nutrient sources for crop production, but their agronomic value is poorly understood. Thus, a 5-yr field experiment was conducted to determine the agronomic values of anaerobically digested solid beef cattle feedlot manure (ADM) and the separated solids (SS) from ADM under a semiarid reduced-tillage dryland barley (Hordeum vulgare L.) forage cropping system. Three organic amendments, ADM, SS, and undigested solid beef cattle feedlot manure (CM), were applied annually at 200 or 400 kg total N ha −1 for 4 yr, while the residual effect was examined in the fifth year. The higher N and P availability in ADM translated into greater barley forage yields, total N uptake, amendment-derived N uptake, and apparent N recovery (ANR) from ADM-amended soil than SS-and CM-amended soils, while there were no significant differences between soils receiving SS or CM. The ANR was 22% for ADM but only 12% for CM and 9% for SS. In contrast, P uptake, the fraction of amendment-derived P uptake, and apparent P recovery were similar among all amendments. Similar yields, ANR, post-harvest soil NH 4 , NO 3 , and Olsen-P concentrations between SS-and CM-amended soils suggest that they have a comparable agronomic value. Less residual Olsen-P in soil receiving ADM than SS or CM suggests that ADM is a lower risk for P accumulation when applied at N-based rates. We recommend that current agronomic values for cattle feedlot manure could be applied to SS but not ADM.

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“…Digestate had the lowest soil-test P risk, while cattle manure and pellets were similar, but separated solids had a 29% greater risk of soil-test P accumulation per unit of N applied than cattle manure, indicating that this amendment requires careful management to minimize soil-test P accumulation when applied at N-based rates. This is important because soil-test P is an indicator for loss via runoff and leaching pathways (Pote et al, 1996;Sims et al, 2000;Olson et al, 2010;Kumaragamage et al, 2011;Ziadi et al, 2013;Li et al, 2016). It also provides evidence that P-based rates may be more suitable for the higher risk amendments such as cattle manure and separated solids.…”

Section: Residual Nitrate-nitrogen and Soiltest Phosphorus Risk Factorsmentioning

confidence: 99%

Anaerobically Digested Cattle Manure Supplied More Nitrogen with Less Phosphorus Accumulation than Undigested Manure

Thomas

Nelson

et al. 2017

Agronomy Journal

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Solid beef cattle manure is a good anaerobic digestion feedstock for methane production, but more research is needed to determine how co-products of the anaerobically digested manure may be used in crop production, while limiting the risk of nutrient loss to the environment. Over four growing seasons, we measured the N and P supplied to barley (Hordeum vulgare L.) forage test crops from (i) anaerobically digested solid beef cattle manure (digestate), (ii) separated solids from the digestate (separated solids), (iii) pelletized separated solids (pellets), and (iv) undigested solid beef cattle manure (manure) that were applied to target 1× (260 kg N ha -1 ) and 2× (520 kg N ha -1 ) the recommended N rates. Non-amended soil was the control. Digestate led to 31 to 50% greater barley forage yield than the other amendments. Th e apparent N recovery from digestate (19%) was much greater than pellets (2%) and about double that of the separated solids (9%) and cattle manure (10%). Th e barley N uptake derived from digestate was 41%, which was signifi cantly greater than manure (22%), separated solids (17%), and pellets (2%). Digestate increased P uptake, while signifi cantly reducing soil-test P accumulation compared with the other coproducts and cattle manure when applied at N-based rates. Our results confi rmed that management practices for solid beef cattle feedlot manure may be used for separated solids, but not digestate. Pelletized separated solids may be an eff ective slow release fertilizer, while also supplying C, but determination of its nutrient release patterns is required.

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Assessment and Modeling of Soil Available Phosphorus in Sustainable Cropping Systems

Cited by 73 publications

References 170 publications

The distribution of phosphorus forms and fractions in Retisol under different soil liming management

The distribution of phosphorus forms and fractions in Retisol under different soil liming management

Agronomic Values of Anaerobically Digested Cattle Manure and the Separated Solids for Barley Forage Production

Anaerobically Digested Cattle Manure Supplied More Nitrogen with Less Phosphorus Accumulation than Undigested Manure

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