Article
Soil Science
M. M. Biassoni, H. Vivas, F. H. Gutierrez-Boem, F. Salvagiotti
Summary: Phosphorus fertilization can alter the availability of phosphorus in soil, and it is important to understand the bioavailability of different phosphorus pools for crops. This study evaluated changes in various phosphorus fractions in soil and their relationship with bioavailability in a test crop, as well as the interaction with sulfur fertilization. The results showed that certain soil phosphorus fractions increased in response to phosphorus fertilization and were related to phosphorus uptake in the test crop, indicating their importance in sustaining phosphorus availability in the long term.
SOIL & TILLAGE RESEARCH
(2023)
Article
Engineering, Environmental
Eva Brod, Anne Falk Ogaard
Summary: The study found that phosphorus in fish sludge was mainly solubilized in the HCl fraction with a relatively low agronomic efficiency, while phosphorus in manure solids was mainly soluble in H2O and 0.5 M NaHCO3 with a higher agronomic efficiency, indicating the need to optimize the phosphorus effects of fish sludge.
Article
Soil Science
Marcos Rodrigues, Amin Soltangheisi, Dalton Belchior Abdala, Victor Oghogho Ebuele, Vera Thoss, Paul John Anthony Withers, Paulo Sergio Pavinato
Summary: In this study, P partitioning and speciation in Brazilian Cerrado Oxisols were investigated using sequential chemical P fractionation (SPF), P K-edge XANES, and 31P NMR spectroscopy. The results showed that P mainly sorbed to Fe and Al hydr(oxides), and organic P in soils under native vegetation existed primarily as phytate. Additionally, different management systems led to different P accumulation in the soil.
SOIL & TILLAGE RESEARCH
(2023)
Article
Soil Science
Lucila Alvarez, Elke Noellemeyer
Summary: This study aimed to investigate the factors influencing phosphorus availability in Calcareous and Sandy Plain landscapes in the central Argentinean Pampas. The results showed that the main differences between the two landscapes were in calcium carbonate, pH, cation exchange capacity, exchangeable calcium, and calcium:iron-aluminum ratio. Organic phosphorus accounted for about 20% of total phosphorus, and the available phosphorus forms were more abundant in the Sandy Plain landscape. Regarding land use and slope position, natural vegetation showed a higher proportion of available phosphorus fractions, while agricultural soil had greater differences between slope positions than natural vegetation.
Article
Agronomy
Karst J. Schaap, Lucia Fuchslueger, Marcel R. Hoosbeek, Florian Hofhansl, Nathielly Pires Martins, Oscar J. Valverde-Barrantes, Iain P. Hartley, Laynara F. Lugli, Carlos Alberto Quesada
Summary: The study reveals clear seasonal variability of soil phosphorus pools in tropical forests, where P released during litter decomposition is positively correlated with changes in organic P fractions, while the net change in organic P fractions is negatively correlated with phosphatase activities in the top 5 cm of soil. This emphasizes the importance of litter input and soil extracellular phosphatase activity in driving seasonal soil P fluctuations, highlighting the need to study soil P dynamics as an integrated system in tropical ecosystems.
Article
Agronomy
Bianca T. Das, Susanne Schmidt, Jody Biggs, David W. Lester, Nicholas Bourne, Neil Huth
Summary: Soil chemical fertility in tropical and subtropical agriculture has declined due to depleted stocks of phosphorus, nitrogen, and carbon. This study used the APSIM model to simulate the dynamics of these elements and found that nitrogen supply and water availability strongly influenced crop yield and nitrogen export. The model also identified long-term depletion or accumulation of soil phosphorus, nitrogen, and carbon in most treatments. P fractionation and isotherm measurements were found to be labor-intensive but valuable, and efforts should be made to establish a database for different soil types.
FIELD CROPS RESEARCH
(2022)
Article
Soil Science
Yunsheng Jia, Nina Siebers, Kerstin Panten, Jens Kruse
Summary: The fate of bone char-based phosphorus (P) in soil aggregates was investigated in a field experiment. The addition of elemental sulfur-modified bone char resulted in higher labile P, comparable to that found in triple superphosphate (TSP). These findings support the use of bone char as a potential substitute for TSP in sustainable agriculture.
SOIL & TILLAGE RESEARCH
(2023)
Article
Biodiversity Conservation
Shengmin Zhang, Dries Landuyt, Kris Verheyen, Pieter De Frenne
Summary: Macroclimate warming affects ecosystems globally, but tree canopies can buffer temperature fluctuations. Tree species mixing plays an important role in below-canopy microclimate offsetting. Based on our findings, we recommend planting mixed-species forests to enhance forest resilience to climate change.
JOURNAL OF APPLIED ECOLOGY
(2022)
Article
Forestry
Xiaoye Zhu, Xi Fang, Liufang Wang, Wenhua Xiang, Hattan A. Alharbi, Pifeng Lei, Yakov Kuzyakov
Summary: The study found that forest succession increases the total phosphorus content in soil, while the availability of phosphorus also changes with the transition of vegetation during succession. Additionally, fine root biomass is the primary driver that controls phosphorus contents during forest succession.
FOREST ECOLOGY AND MANAGEMENT
(2021)
Article
Biodiversity Conservation
Belayneh Azene, Peng Qiu, Renhuan Zhu, Kaiwen Pan, Xiaoming Sun, Yalemzewd Nigussie, Belayneh Yigez, Piotr Gruba, Xiaogang Wu, Lin Zhang
Summary: Land use change significantly affects soil phosphorus (P) fractions, with a decrease in organic P (Po) following land use change and an increase in total P and inorganic P (Pi) in farmland soil.
ECOLOGICAL INDICATORS
(2022)
Review
Environmental Sciences
Guanyi Chen, Junxia Wang, Fan Yu, Xutong Wang, Hui Xiao, Beibei Yan, Xiaoqiang Cui
Summary: Phosphorus is an essential element for plant growth and animal health. Most of the phosphorus released by human activities is found in solid wastes such as sewage sludge, animal manure, and wetland plants, increasing the risk of water contamination. This study reviews the migration and transformation mechanisms of phosphorus during thermal treatment of various solid wastes, with a focus on the potential applications of phosphorus-enriched hydro/bio-char. The distribution and speciation of phosphorus are affected by feedstock properties, thermal technique, and reaction conditions, which in turn affect the applications of hydro/bio-char. The production of phosphorus-enriched hydro/bio-char from solid waste is a promising method for both phosphorus reclamation and solid waste treatment.
Article
Plant Sciences
Guangcan Yu, Jing Chen, Mengxiao Yu, Andi Li, Ying-Ping Wang, Xinhua He, Xuli Tang, Hui Liu, Jun Jiang, Jiangming Mo, Shuo Zhang, Junhua Yan, Mianhai Zheng
Summary: Nitrogen deposition does not increase plant phosphorus demand in a nitrogen-saturated mature tropical forest. Different nitrogen addition rates regulate soil phosphorus transformation through microbial community transition.
JOURNAL OF ECOLOGY
(2023)
Article
Ecology
Yanlin Zhang, Ying Li, Shuzhen Wang, Saima Umbreen, Chuifan Zhou
Summary: Vegetation restoration significantly influences soil phosphorus forms and microbial diversity, with PSB playing a crucial role in enhancing P availability. As vegetation restoration progresses, soil PSB diversity increases, with rare PSB groups promoting the abundance of PSB.
ECOLOGICAL ENGINEERING
(2021)
Article
Soil Science
Yue Hu, Klaus A. Jarosch, Mareike Kavka, Bettina Eichler-Loebermann
Summary: Long-term field experiments provide a comprehensive evaluation of phosphorus management. This study investigated the availability and distribution of phosphorus in soil affected by organic and inorganic fertilizers. The results showed that higher phosphorus application resulted in increased availability of phosphorus in the soil. Additionally, the use of complementary methods helped to understand the transformation of phosphorus pools in the soil.
NUTRIENT CYCLING IN AGROECOSYSTEMS
(2022)
Article
Engineering, Geological
Josbel A. Cordero, Pere C. Prat, Alberto Ledesma
Summary: This paper presents an experimental investigation on the impact of environmental variables on soil cracking in natural conditions. The experiment was conducted on a large soil specimen under real atmospheric conditions, and it found that solar radiation and wind velocity are key factors controlling water evaporation and soil cracking.
ENGINEERING GEOLOGY
(2021)