Effect of Co-applying Different Nitrogen Fertilizers with Bone Char on Enhancing Phosphorus Release in Calcium Carbonate-Rich Soil: an Incubation Study

Amin, Abu El-Eyuoon Abu Zied

doi:10.1007/s42729-023-01217-3

Cited by 6 publications

(2 citation statements)

References 51 publications

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“…In our study, different forms of nitrogen exhibited varied effects on the available phosphorus, consistently following the order in both yellow soil and limestone soil: NH 4 NO 3 and Urea >NH 4 Cl > Ca(NO 3 ) 2 (Figures 3, 4). This pattern was consistent with Amin's (2023) research on the efficiency of different N fertilizers in increasing P availability. The differential effects of N forms on soil available P can be attributed to several factors.…”

Section: Figuresupporting

confidence: 91%

Influences of nitrogen input forms and levels on phosphorus availability in karst grassland soils

Zhou,

Yang,

Zhao

et al. 2024

Front. Sustain. Food Syst.

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The availability of soil phosphorus (P), a crucial nutrient influencing plant productivity and ecosystem function, is impacted by continuously increasing nitrogen (N) enrichment, which changes the soil P cycle. The effect of varying forms of N input on soil P dynamics in P-limited karst grassland ecosystems remains unclear. To address this knowledge gap, we conducted a greenhouse experiment to explore the effects of various forms of N addition [Ca(NO3)2, NH4Cl, NH4NO3, Urea] on soil P fractions in these ecosystems, applying two levels (N1: 50 mg N kg−1soil, N2: 100 mg N kg−1soil) of N input in two soils (yellow soil, limestone soil). Results indicated that P fractions in both soil types were significantly affected by N additions, with yellow soil demonstrating a higher sensitivity to these additions, and this effect was strongly modulated by the form and level of N added. High N addition, rather than low N, significantly affect the P fractions in both soil types. Specially, except for Ca(NO3)2, high N addition significantly increased the available P in both soils, following the order: Urea and NH4NO3 > NH4Cl > Ca(NO3)2, and decreased NaHCO3-Pi in both soils. High N addition also significantly reduced NaOH-Po and C.HCl-Po fractions in yellow soil. Additionally, the response of root biomass and alkaline phosphatase activity in both soils to N input paralleled the trends observed in the available P fractions. Notably, changes in soil available P were strongly correlated with plant root biomass and soil alkaline phosphatase activity. Our study highlights that the N addition form significantly influences soil P availability, which is closely tied to plant root biomass and alkaline phosphatase activity. This finding underscores the importance of considering N input form to boost soil fertility and promote sustainable agriculture.

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Section: Figuresupporting

confidence: 91%

Influences of nitrogen input forms and levels on phosphorus availability in karst grassland soils

Zhou,

Yang,

Zhao

et al. 2024

Front. Sustain. Food Syst.

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“…Application of N and P fertilizers, and transformation, accumulation, and availability of P in the soil has garnered increasing interest ( Guera and Adriel, 2022 ; Liu et al., 2023 ), as has classification, spatial distribution, and bioavailability of soil P ( Zeng et al., 2022 ). However, most of the existing studies have been on single application of N or P fertilizers ( Amin, 2023 ; Huang et al., 2023 ), and the impact of combined N and P fertilization on the forms of soil P and the underlying response mechanisms with soil physical and chemical properties remain unclear.…”

Section: Introductionmentioning

confidence: 99%

Effects of combined nitrogen and phosphorus application on soil phosphorus fractions in alfalfa (Medicago sativa L.) production in China

Yang,

Li,

Sun

et al. 2024

Front. Plant Sci.

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Nitrogen (N) and phosphorus (P) fertilizers change the morphological structure and effectiveness of P in the soil, which in turn affects crop growth, yield, and quality. However, the effects and mechanism of combined N and P application on the content of P fractions and the transformation of effective forms in alfalfa (Medicago sativa L.) production is unclear. This experiment was conducted with four levels of N: 0 (N0), 60 (N1), 120 (N2) and 180 kg·ha-1 (N3); and two levels of P (P2O5): 0 (P0) and 100 kg·ha-1 (P1). The results indicated that, under the same N level, P application significantly increased soil total N, and total P, available P, and content of various forms of inorganic P when compared to no P application, while decreasing the content of various forms of organic P and pH value. In general, under P0 conditions, soil total N content tended to increase with increasing N application, while total P, available P content, pH, inorganic P content in all forms, and organic P content in all forms showed a decreasing trend. When compared to no N application, insoluble P (Fe-P, O-P, Ca10-P) of the N application treatments was reduced 2.80 - 22.72, 2.96 - 20.42, and 5.54 - 20.11%, respectively. Under P1 conditions, soil total N and O-P tended to increase with increasing N application, while, pH, Ca2-P, Al-P, Fe-P, Ca10-P, and organic P content of each form tended to decrease. Total P, available P, and labile organic P (LOP) of N application reduced 0.34 - 8.58, 4.76 - 19.38, and 6.27 - 14.93%, respectively, when compared to no application. Nitrogen fertilization reduced the soil Ca2-P ratio, while P fertilization reduced soil Fe-P, moderately resistant organic P (MROP), and highly resistant P (HROP) ratios, and combined N and P elevated the Ca8-P to LOP ratio. The results of redundancy analysis showed that soil total N content, available P content, and pH were the key factors affecting the conversion of P fractions in the soil. Nitrogen and P reduced the proportion of soil insoluble P, promoted the activation of soil organic P, resulting in accumulation of slow-acting P in the soil, thereby improving the efficiency of soil P in alfalfa production.

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Using Bone Char as a Renewable Resource of Phosphate Fertilizers in Sustainable Agriculture and its Effects on Phosphorus Transformations and Remediation of Contaminated Soils as well as the Growth of Plants

Amin

2024

J Soil Sci Plant Nutr

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Recycling slaughterhouse waste such as bone and converting it into bone char is a promising environmentally friendly, low-cost strategy in a circular economy and an important source of phosphorus. Therefore, this review focused on the impacts of bone char on the availability, dynamics, and transformations of phosphorus in soils as well as plant growth and utilizing bone char in remediating contaminated soils by heavy metals. Bone char is material produced through bone pyrolysis under limited oxygen at 300–1050 °C. Bone char applications to the soils significantly increased phosphorus availability and plant growth. Agricultural practices such as co-applying organic acids or sulfur or nitrogen fertilizers with bone char in some soils played an important role in enhanced phosphorus availability. Also, co-applying bone char with phosphate-solubilizing microorganisms enhanced plant growth and phosphorus availability in the soils. Applying bone char to the soils changed the dynamics and redistribution of phosphorous fractions, enhanced fertility, promoted crop growth and productivity, reduced heavy metals uptake by plants in contaminated soil, and decreased heavy metals bioavailability. Bone char has shown positive performance in remediating soils contaminated by heavy metals. Bone char proved its efficiency in sustainable agriculture and practical applications as an alternative source of phosphate fertilizers, it is safe, cheap and helps in remediating contaminated soils by heavy metals. Using bone char as a slow-release fertilizer is potentially beneficial because it reduces the hazard of excessive fertilizing and nutrient leaching which have negative impacts on the ecosystem.

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Effect of Co-applying Different Nitrogen Fertilizers with Bone Char on Enhancing Phosphorus Release in Calcium Carbonate-Rich Soil: an Incubation Study

Cited by 6 publications

References 51 publications

Influences of nitrogen input forms and levels on phosphorus availability in karst grassland soils

Influences of nitrogen input forms and levels on phosphorus availability in karst grassland soils

Effects of combined nitrogen and phosphorus application on soil phosphorus fractions in alfalfa (Medicago sativa L.) production in China

Using Bone Char as a Renewable Resource of Phosphate Fertilizers in Sustainable Agriculture and its Effects on Phosphorus Transformations and Remediation of Contaminated Soils as well as the Growth of Plants

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