Article
Ecology
Natalia D. Pin Viso, Pedro F. Rizzo, Brian J. Young, Emmanuel Gabioud, Patricia Bres, Nicolas Riera, Lina Merino, Marisa D. Farber, Diana C. Crespo
Summary: This study examined the effects of long-term application of chicken manure and poultry litter to agricultural soils for 10 years. The results showed that poultry wastes had high nutrient concentrations and increased electrical conductivity, leading to phytotoxic effects on seeds. The soils treated with poultry manure showed higher phosphorous values and a risk of eutrophication. Moreover, the soil bacterial community showed a decrease in alpha diversity.
Article
Environmental Sciences
McKenzie Burns, Mohan Qin
Summary: Increasing pressures on the animal and cropland agriculture sectors have led to the realization of problems with animal waste management and ammonia-based fertilizer supply. Bioelectrochemical systems (BES) offer a potential solution through the use of microbial fuel cells (MFCs) for ammonia recovery from organic nitrogen (orgN) sources. This research confirmed the viability of using MFCs for orgN recovery from synthetic dairy manure, achieving high performance with minimal sacrifices in the presence of orgN.
Article
Agronomy
Gaston A. Iocoli, Luciano Orden, Fernando M. Lopez, Marisa A. Gomez, Maria B. Villamil, Maria C. Zabaloy
Summary: Mineralization studies on different types of dairy manure amendments showed varying effects on C, N, and P mineralization, leading to differences in nutrient availability and CO2 emission. Digestates resulted in net C immobilization and provided high levels of available N, while compost supplied N and P through mineralization. Future studies may focus on combining these two types of amendments to utilize their complementary agronomic characteristics.
Article
Soil Science
Janina Milkereit, Daniel Geisseler, Patricia Lazicki, Matthew L. Settles, Blythe P. Durbin-Johnson, Amanda Hodson
Summary: Different organic amendments and combinations have varying effects on bacterial and nematode communities, as well as nitrogen availability and plant growth. Pelleted poultry manure quickly increased bacteria associated with nitrogen cycling, while compost increased the abundance of bacteria capable of degrading complex C-compounds. Liquid amendments had minimal impact on microbial communities.
APPLIED SOIL ECOLOGY
(2021)
Article
Soil Science
Prem Pokharel, Le Qi, Scott X. Chang
Summary: This study found that biochar has a reducing effect on heterotrophic respiration and N2O emissions in wheat rhizosphere soil, but the impact on nitrification rates differs between rhizosphere and bulk soils, emphasizing the importance of studying gross nitrogen transformation processes for understanding rhizosphere-biochar interactions.
SOIL BIOLOGY & BIOCHEMISTRY
(2021)
Article
Environmental Sciences
Hanling Zuo, Wenshi Xu, Zhaoying Liu, Simeon J. Smaill, Xiaoqi Zhou
Summary: Plant diversity has a significant impact on the carbon and nitrogen contents in forest soil, with greater plant diversity leading to higher soil organic carbon and nitrogen levels. Complementary effects play a key role in this relationship, but they are not significant in mixed plantings of evergreen and deciduous tree species. Evergreen tree species have a greater effect on soil nitrogen compared to deciduous tree species. Cyclobalanopsis, a type of evergreen tree, has a strong carbon and nitrogen storage capacity, suggesting that increasing plant diversity and the proportion of Cyclobalanopsis in forest management can promote carbon and nitrogen accumulation in forest soil. These findings provide valuable insights into long-term forest carbon and nitrogen cycling processes and contribute to the management of forest soil carbon sinks.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Green & Sustainable Science & Technology
Muhammad Ijaz, Sami Ul-Allah, Abdul Sattar, Ahmad Sher, Ijaz Hussain, Ahmad Nawaz
Summary: An experiment was conducted to optimize different organic amendments for sugar beet production and root quality. Among the amendments, poultry manure at an optimized rate of 20 t ha(-1) showed the most effective results in terms of root yield, sugar yield, and sugar quality. The improved yield was attributed to better leaf growth and root yield, resulting in higher reserve accumulation in roots. The 'California' genotype performed better than the 'Serenada' genotype. Therefore, growing the 'California' genotype in sandy loam soils with poultry manure application (20 t ha(-1)) could be a practical option for improving sugar beet yield and sugar recovery.
Article
Agronomy
Jonathan R. Alexander, Rodney T. Venterea, John M. Baker
Summary: The study aimed to quantify the in-season nitrogen inputs from Kura clover living mulch (KCLM) using clover biomass and decomposition data. Results showed that spring management contributed 7-23 kg N ha-1 during the first 6 weeks of the growing season, while shade suppression contributed 59 - 84 kg N ha-1 from mid-June to mid-October. Maize took up 88% of the total N inputs and fertilizer recovery efficiency was 56%.
Article
Environmental Sciences
Taylor Roswall, Brian E. Haggard, Gurpal S. Toor
Summary: In many intensive animal production areas, the excessive use of manure can lead to the accumulation of phosphorus in the soil and the formation of legacy P soils, resulting in a threat to water quality. This study investigated the loss of dissolved P forms in runoff from packed soil boxes amended with different types of poultry litter products. The results showed that granulated litter amendments significantly increased the loss of dissolved reactive phosphorus in runoff compared to raw and heated litter amendments. The loss of dissolved unreactive phosphorus in runoff did not differ significantly among the different litter amendments.
Article
Engineering, Environmental
Yansen Li, Ji-Qin Ni
Summary: The study found that the characteristics of chicken manure vary significantly in time and space, correlated with indoor temperature and ventilation rate, and showed seasonal patterns. The variations in NH3 were greater than TS and pH. It was observed that chicken manure on the belts could lose approximately 2.5% moisture and 0.2% NH3 concentration per day.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Plant Sciences
Bhupinder Singh Jatana, Sanjay K. K. Gami, Quirine M. M. Ketterings
Summary: Mixing acid whey with manure in storage can be a sustainable option for land application as a plant nutrient source without negatively impacting soil properties.
JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION
(2023)
Article
Environmental Sciences
Junjie Niu, Tiequan Zhang, Guang Wen, Zhiming Zheng, Yu Jia, Chin S. Tan, Tom Welackey
Summary: Evaluating the nitrogen use efficiency of animal manure is crucial for optimizing its application in profitable crop production without harming the environment. A four-year field study found that liquid manure achieved comparable corn yields to inorganic fertilizer, while solid and composted manure had minimal agronomical value. Nitrogen use efficiency indices were used to evaluate the different manures, with inorganic fertilizer performing the best followed by liquid manure.
FRONTIERS IN ENVIRONMENTAL SCIENCE
(2023)
Article
Environmental Sciences
Brendan T. Higgins, Kristin Chaump, Qichen Wang, Rishi Prasad, Poulomi Dey
Summary: The study investigated the effects of moisture content and active aeration on soluble mineral forms of nitrogen and phosphorus in poultry litter. Higher moisture content led to increased phosphorus solubility but lower nitrification levels. Therefore, lower moisture levels are better for field application to maintain stable phosphate levels, while higher moisture levels may be suitable for low-cost phosphate recovery processes.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2021)
Article
Plant Sciences
Mushtaq Ahmad Khan, Abdul Basir, Shah Fahad, Muhammad Adnan, Muhammad Hamzah Saleem, Anas Iqbal, Asma A. Amanullah, Asma A. Al-Huqail, Areej Alosaimi, Shah Saud, Ke Liu, Matthew Tom Harrison
Summary: Biochar significantly improves wheat yield and nitrogen uptake when combined with synthetic and organic fertilizers. The most beneficial results were observed when poultry manure was applied at a rate of 150 kg N ha(-1) and biochar at a rate of 20 t ha(-1).
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Chemistry, Analytical
Jose Alexander Rodriguez, Jose Ferreira Lustosa Filho, Leonidas Carrijo Azevedo Melo, Igor Rodrigues de Assis, Teogenes Senna de Oliveira
Summary: Co-pyrolysis of agricultural and industrial wastes can improve certain properties of biochars, contributing to potential positive impacts on soil quality.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2021)
Article
Soil Science
Yongzhuang Wang, Xiangying Peng, Joann K. Whalen, Yi Shi, Caiyan Lu, Bin Huang, Xinying Zhang, Xin Chen
Summary: This study compared the impact of annual and periodic phosphorus fertilizer application on soil phosphorus chemistry, sorption capacity, and water-extractable phosphorus in northeast China. The results showed that periodic phosphorus application can reduce phosphorus losses and maintain soil phosphorus fertility and crop uptake.
NUTRIENT CYCLING IN AGROECOSYSTEMS
(2022)
Article
Soil Science
Emal Sobat, Joann K. Whalen
Summary: The study evaluated the symbiosis between maize roots and arbuscular mycorrhizal fungi, finding that this symbiosis is more closely related to maize growth than the concentration of plant-available phosphorus.
SOIL USE AND MANAGEMENT
(2022)
Article
Soil Science
Bingjie Sun, Cynthia M. Kallenbach, Michael Y. Boh, O. Grant Clark, Joann K. Whalen
Summary: This study assessed the potential soil enzyme activity after three annual applications of biosolids in a conventionally tilled field under silage corn. The results showed that overall, the potential soil enzyme activity did not change with biosolids application, but there was an increase in N-acetylglucosaminidase activity in soil amended with lime-stabilized biosolids, which also had higher soil pH and greater soil NH4+ concentration.
CANADIAN JOURNAL OF SOIL SCIENCE
(2023)
Article
Engineering, Environmental
Yuting Zhang, Xiying Hao, Ben W. Thomas, Tim A. McAllister, Matthew Workentine, Long Jin, Xiaojun Shi, Trevor W. Alexander
Summary: Manure can introduce antibiotic resistance genes (ARGs) into the soil, leading to their accumulation. Short-term application of manure results in an initial spike in ARG abundance, followed by dissipation within a year. However, long-term application leads to linear or exponential accumulation of ARGs in the soil, and the bacteria associated with ARGs differ compared to the short term. After discontinuing manure application for eleven years, most soil ARG levels decrease.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Agronomy
Yutong Jiang, Chih-Yu Hung, Joann K. Whalen
Summary: Maize roots adjust their growth according to the nitrate (NO-3) concentration in the environment, but the plasticity differs among different types of roots. We investigated the morphological response of lateral and axial roots on primary, seminal, and crown root types exposed to various concentrations of NO-3. Higher NO-3 concentration did not affect the growth of all axial roots and laterals of primary roots, but resulted in positive quadratic growth in laterals of the seminal and crown root types. The plasticity of maize roots to NO-3 concentrations is influenced by the differential growth of laterals on seminal and crown root types.
CANADIAN JOURNAL OF PLANT SCIENCE
(2023)
Article
Soil Science
Habib Diop, Leanne Ejack, Abdirashid A. Elmi, Joann K. Whalen
Summary: Tile drainage is used in agricultural fields to remove excess soil moisture for earlier planting of spring crops. This study found that earthworm abundance and soil moisture were similar above and between tile lines. However, earthworm biomass was low in dry soils, peaked at 41 g moisture 100 g-1, and declined in wetter soils, impacting earthworm activity in agricultural fields.
CANADIAN JOURNAL OF SOIL SCIENCE
(2023)
Article
Soil Science
Fatima Safar, Joann K. Whalen
Summary: Aggregate stability in soil is influenced by the strength of binding substances, such as calcium oxide-based compounds. This study investigated the effects of calcium ion concentration and counter-anions (CO32-, OH-) on the binding strength of newly-formed macroaggregates that resist abrasive force. The results showed that increasing Ca2+ concentration led to larger stable aggregate diameter, and the type of counter-anions had similar effects. The presence of montmorillonite clay minerals in the soil enhanced the formation of larger stable aggregates. Calcium oxide binding played a crucial role in stabilizing macroaggregates in arid desert soils.
Article
Plant Sciences
Hao Xu, Danielle Ediger, Mehdi Sharifi
Summary: The yield of sweet cherry is influenced by fruit set, a sensitive developmental stage affected by spring environmental conditions. This study investigated the effects of abiotic stresses and horticultural mitigations on fruit set during the spring. The findings provide insights into the impacts of adverse temperatures and the potential of irrigation adjustment in improving fruit set.
Article
Soil Science
Newton Z. Lupwayi, Xiying Hao, Ben W. Thomas, Jessica Stoeckli, Lilia Mesina, Rodrigo O. Polo
Summary: The addition of the methane inhibitor 3-nitrooxypropanol (3-NOP) to ruminant diets can reduce enteric methane production, but its impact on the soil microbiome has not been studied. In this study, stockpiled and composted manure from cattle fed 3-NOP showed increased microbial biomass and fungal diversity, as well as alterations in the abundance of different bacterial and fungal taxa. Additionally, 3-NOP in stockpiled manure increased the potential activities of enzymes involved in carbon and nitrogen cycling.
APPLIED SOIL ECOLOGY
(2023)
Article
Agronomy
J. L. Owens, Z. Wang, B. W. Thomas, X. Hao, K. Coles, E. Rahmani, R. Karimi, K. Gill, B. L. Beres
Summary: To evaluate the impact of enhanced efficiency liquid nitrogen fertilizers on winter wheat production, experiments were conducted across different sites in Canada from 2013 to 2018. The results showed that liquid UAN with a urease inhibitor can optimize grain yield and nitrogen use efficiency in winter wheat.
CANADIAN JOURNAL OF PLANT SCIENCE
(2023)
Article
Agronomy
Z. Wang, J. L. Owens, B. W. Thomas, X. Hao, K. Coles, C. Holzapfel, E. Rahmani, R. Karimi, K. S. Gill, B. L. Beres
Summary: Optimizing the timing of nitrogen (N) enhanced efficiency fertilizers (EEFs) can maximize winter wheat grain yield, protein content, and N-use efficiency. The study found that NBPT + DCD applied at planting had the best results, while untreated urea had the highest CO2 emissions. To optimize winter wheat production and NUE, it is recommended to use NBPT + DCD throughout or split-apply in the early spring after planting.
CANADIAN JOURNAL OF PLANT SCIENCE
(2023)
Article
Soil Science
Emmanuel A. Badewa, Chun C. Yeung, Joann K. Whalen, Maren Oelbermann
Summary: Biobased residues derived from organic urban waste materials can enhance soil fertility and carbon sequestration. The study used the Century model to predict the effects of different biobased residues (compost, anaerobic digestate, or biosolids) on soil organic carbon stocks in Ontario, Canada. The results showed that compost and biosolids significantly increased soil organic carbon stocks compared to anaerobic digestate and nitrogen fertilizer, and crop rotation also increased soil organic carbon stocks. The study highlights the importance of compost as a soil amendment for carbon sequestration.
CANADIAN JOURNAL OF SOIL SCIENCE
(2023)
Article
Geosciences, Multidisciplinary
Sanae El Harche, Mohamed Chikhaoui, Mustapha Naimi, Marieme Seif-Ennasr, Joann Whalen, Abdelwahed Chaaou
Summary: No-tillage and agroforestry techniques have been found to have positive impacts on hydrology and sediment loss, reducing soil erosion and sediment yield in the Tleta watershed in northern Morocco. The adoption of these practices can help maintain soil productivity, store water, and reduce labor and energy consumption.
Article
Soil Science
Baijing Zhu, Bingbing Wan, Ting Liu, Chongzhe Zhang, Liuzhu Cheng, Yanhong Cheng, Shanyi Tian, Xiaoyun Chen, Feng Hu, Joann K. Whalen, Manqiang Liu
Summary: Soil multifunctionality is influenced by biotic interactions and energy flux among multitrophic groups in the soil food web. Biochar can increase multifunctionality by promoting energy flow through the nematode food web, while synthetic fertilizer can have a non-uniform effect. Nitrogen limitation may offset the benefits of biochar and nutrient impoverishment can promote energy flow through the herbivore channel. Balancing biochar and synthetic fertilizer application is crucial for maintaining stable energetic structure and improving crop production and soil health in subtropical regions.
SOIL BIOLOGY & BIOCHEMISTRY
(2023)
Article
Soil Science
Emmanuel A. Badewa, Chun C. Yeung, Joann K. Whalen, Maren Oelbermann
Summary: Biobased residues, such as compost, biosolids, and digestate, can effectively enhance soil health and provide nutrients to crops. A study in Canada found that these residues increased soil-exchangeable potassium and sodium levels compared to nitrogen fertilizer. Soil microbial biomass and the capacity of soil microbes to utilize carbon substrates varied among seasons but not among amendment types. Crop productivity was similar among different types of residues. Biosolids were found to positively correlate with shoot and root biomass, while nitrogen fertilizer was positively correlated with shoot carbon. The study suggests that biobased residues, particularly biosolids, can supply sufficient nitrogen for temperate silt loam soil without additional nitrogen fertilizer.
SOIL USE AND MANAGEMENT
(2023)
