Article
Agronomy
Cecilia Loza, Thorsten Reinsch, Ralf Loges, Friedhelm Taube, Jose Ignacio Gere, Christof Kluss, Mario Hasler, Carsten S. Malisch
Summary: This study found that cows grazing diverse mixtures in a full-grazing dairy system increased their milk yield, but methane emissions also increased. The high feed quality and milk yield from both mixtures resulted in relatively low methane emissions.
Article
Agriculture, Dairy & Animal Science
K. M. McCarthy, M. B. Lynch, K. M. Pierce, A. G. Fahey, V. P. Gath, M. McDonald, T. M. Boland, H. Sheridan, M. Markiewicz-Keszycka, F. J. Mulligan
Summary: An experiment was conducted to compare the rumen fermentation and degradability of three forage treatments. The results showed that multispecies forage had a positive impact on rumen pH and dry matter degradation, but had no significant effect on dry matter intake and milk yield.
Article
Multidisciplinary Sciences
Isabelle Noelke, Bettina Tonn, Martin Komainda, Sara Heshmati, Johannes Isselstein
Summary: Legume-based forage plant mixtures can increase biomass production, and the genetic identity of legume species affects the diversity effects.
SCIENTIFIC REPORTS
(2022)
Article
Agronomy
Hernan Acuna, Ma Paulina Sanchez, Luis Inostroza
Summary: The study evaluated the impact of soil environment on cultivars compatibility, particularly in deep and shallow soils. Results showed that in shallow soils, white clover exhibited significant growth enhancements, indicating differences in root growth and resource utilization between deep and shallow soils.
Article
Agronomy
Aine Murray, Luc Delaby, Trevor J. Gilliland, Brid McClearn, Michael Dineen, Clare Guy, Brian McCarthy
Summary: The objective of this study was to examine the fluctuations in white clover content in perennial ryegrass swards in a high nitrogen input grazing dairy system. The study found that paddocks with high white clover content were associated with lower pre- and post-grazing sward heights, lower pasture cover over the winter period, and shorter over-winter periods. Perennial ryegrass cultivars with lower pre- and post-grazing height, lower pre-grazing pasture mass, and pasture yield retained more white clover. Soil fertility, particularly soil phosphorus levels, was a key factor affecting white clover persistence. Higher white clover content and lower rates of decline were associated with paddocks that received lower rainfall, had higher soil moisture deficits, and received more radiation into the base of the sward.
Article
Agriculture, Multidisciplinary
Ma Paulina Sanchez, Hernan Acuna, Luis Inostroza, Erick Zagal
Summary: The study evaluated the nutrient use efficiency of perennial ryegrass and white clover cultivars, showing that cultivars have an impact on nutrient use efficiency and some cultivars exhibit higher compatibility.
CHILEAN JOURNAL OF AGRICULTURAL RESEARCH
(2021)
Article
Agriculture, Dairy & Animal Science
K. M. McCarthy, N. Walsh, C. van Wylick, M. McDonald, A. G. Fahey, M. B. Lynch, K. M. Pierce, T. M. Boland, H. Sheridan, M. Markiewicz-Keszycka, F. J. Mulligan
Summary: The objective of this experiment was to assess the impact of forage type on the DMI and milk production of midlate lactation dairy cows. The results showed that multispecies forages can increase milk production and perennial ryegrass resulted in higher dietary nitrogen use efficiency.
Article
Plant Sciences
Elzbieta G. Magnucka, Grzegorz Kulczycki, Malgorzata P. Oksinska, Jolanta Kucinska, Katarzyna Paweska, Lukasz Milo, Stanislaw J. Pietr
Summary: This article focuses on the agronomic evaluation of the supplementation of mineral NPKMg fertilizers with elemental sulfur, magnesium, potassium, or ammonium sulfates. The combined application of NPKMg and sulfur or sulfate fertilizers significantly increased the summary yield of fresh ryegrass biomass. The application, especially in the form of sulfates, also had positive effects on soil organic matter fractions and glomalin-related proteins.
Article
Agronomy
Thi Truong Nguyen, Soledad Navarrete, David J. Horne, Daniel J. Donaghy, Peter D. Kemp
Summary: This study evaluated the effects of different sowing rates on the dry matter yield, botanical composition, nutritive value, and bioactive compounds of a pasture mixture of plantain, perennial ryegrass, and white clover. The results showed that incorporating plantain into the pasture improved the nutritive quality and increased the content of various nutrients and bioactive compounds. These effects were linearly associated with the content of plantain leaves in the pasture and were higher in summer and autumn.
Article
Agriculture, Multidisciplinary
C. Guy, T. J. Gilliland, D. Hennessy, F. Coughlan, B. McCarthy
Summary: This study compared the effects of white clover inclusion and PRG ploidy on sward structure, plant morphology, and growth over winter, revealing that PRG ploidy did not significantly impact winter growth but influenced stolon mass, and the presence of white clover in PRG swards may cause challenges in spring management and performance.
IRISH JOURNAL OF AGRICULTURAL AND FOOD RESEARCH
(2021)
Article
Environmental Sciences
L. Box, B. G. Welten, H. Coles, E. M. K. Minnee, P. R. Shorten
Summary: This experiment investigated the effect of increasing proportions of plantain in the diet of dairy cows on urine nitrogen excretion. The results showed that as the proportion of plantain in the diet increased, urine nitrogen concentration significantly decreased, but total urine nitrogen excretion did not change significantly. This suggests that plantain can reduce nitrogen leaching at the urine patch level, but higher proportions of plantain are needed.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Agriculture, Multidisciplinary
Gustavo Togeirode Alckmin, Arko Lucieer, Richard Rawnsley, Lammert Kooistra
Summary: Frequent biomass measurement is important for optimal perennial ryegrass management in dairy operations. Development of accurate and automated technological solutions for biomass assessment is vital. UAVs with multispectral cameras can help deploy machine learning algorithms for real-time biomass mapping, but radiometric calibration and generalization of models need improvement.
COMPUTERS AND ELECTRONICS IN AGRICULTURE
(2022)
Article
Agriculture, Multidisciplinary
Shona Baker, Mary B. Lynch, Fionnuala Godwin, Tommy M. Boland, Alan K. Kelly, Alexander C. O. Evans, Paul N. C. Murphy, Helen Sheridan
Summary: Reducing dependence on fertiliser Nitrogen (N) is crucial for improving the sustainability of pasture-based agricultural systems. This study investigates the impact of different sward types on annual and seasonal herbage dry-matter (DM) production potential and the contribution of sown and unsown species in an intensive dairy-calf to beef system. The results show that a multispecies sward with reduced N application produces more herbage DM compared to monocultures and mixed swards, without increasing the weed burden.
AGRICULTURE ECOSYSTEMS & ENVIRONMENT
(2023)
Article
Environmental Sciences
Huahui Yuan, Juncheng Li, Lejie Pan, Xin Li, Yue Yuan, Qinmei Zhong, Xian Wu, Jin Luo, Sheng-Tao Yang
Summary: This study investigates the particulate toxicity of UiO-66, a representative MOF material, on a model microorganism. The results show that UiO-66 nanoparticles have low toxicity and only cause mild mechanical damage to the fungi.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2022)
Article
Engineering, Environmental
Qiang Ma, Qiangqiang Zhang, Tusunniyaze Maimaiti, Suke Lan, Xiangwen Liu, Yuqi Wang, Qun Li, Haozhong Luo, Baowei Yu, Sheng-Tao Yang
Summary: This study demonstrates that carbonization treatment can reduce the toxicity of metal-organic framework materials to white-rot fungi and protect their decomposition ability. Compared to untreated MOF materials, carbonized materials are more conducive to fungal enzyme activity and decomposition capability, while reducing environmental hazards.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Editorial Material
Agronomy
Maria de la Luz Mora, Marcela Calabi-Floody, Cornelia Rumpel
Article
Agriculture, Multidisciplinary
Paula Aguilera, Ninozhka Becerra, Marysol Alvear, Nancy Ortiz, Alessandra Turrini, Concepcion Azcon-Aguilar, Miguel Lopez-Gomez, Juan K. Romero, Mariajose Massri, Alex Seguel, Maria De la Luz Mora, Fernando Borie
Summary: This study demonstrates that native AMF inoculation can significantly increase tomato yield and lycopene concentration. The inoculation of single species Claroideoglomus claroideum may lead to better plant performance due to its high production of extraradical mycelium.
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
(2022)
Review
Plant Sciences
Isis Vega, Sofia Pontigo, Adriano Nunes-Nesi, Maria de la Luz Mora, Sebastian Meier, Paula Cartes
Summary: Drought is a major constraint for crop production under current climate change scenario. The use of sustainable strategies, such as the combined use of silicon fertilization and arbuscular mycorrhizal fungi, has been suggested as a promising approach to improve crop yield and mitigate the negative effects of water deficiency stress.
JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION
(2023)
Review
Microbiology
Paula Aguilera, Nancy Ortiz, Ninozhka Becerra, Alessandra Turrini, Felipe Gainza-Cortes, Patricia Silva-Flores, Ana Aguilar-Paredes, Juan Karlo Romero, Emilio Jorquera-Fontena, Maria de La Luz Mora, Fernando Borie
Summary: The grape crop in Chile is economically important, but it faces challenges such as water stress and increased pathogenic diseases due to climate change. Studies have shown that arbuscular mycorrhizal fungi (AMF) can improve the nutritional status of grapes and help them tolerate water stress and pathogens.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Agronomy
Paola Duran, Patricio Javier Barra, Maria de la Luz Mora, Adriano Nunes-Nesi, Cristian Merino-Gergichevich
Summary: The study found that fertilization with boron and zinc can promote the growth of beneficial bacteria, thus alleviating symptoms associated with gray necrosis. Therefore, beneficial microorganisms can be applied in combination with micronutrients in sustainable agriculture to achieve better results.
Article
Microbiology
Michel Abanto Marin, Benjamin Leyton-Carcaman, Claudio Vazquez, Benjamin Duran-Vinet, Katterin Bobadilla, Claudio Rodriguez-Ruiz, Andres San Martin, Pia Riquelme, Fernando Baez, Maria Jose Carrasco, Gloria Rodriguez-Moretti, Alvaro Cerda, Nicolas Saavedra, Maria de la Luz Mora
Summary: Here, we announce the genome sequences of 408 strains of SARS-CoV-2 obtained from nasopharyngeal swabs in the Araucania Region, Southern Chile. The obtained genomes are valuable for expanding the availability of useful genomic data for future epidemiological studies of SARS-CoV-2 in Chile and worldwide.
MICROBIOLOGY RESOURCE ANNOUNCEMENTS
(2022)
Article
Plant Sciences
Jonathan Suazo-Hernandez, Erwin Klumpp, Nicolas Arancibia-Miranda, Alejandra Jara, Patricia Poblete-Grant, Pamela Sepulveda, Roland Bol, Maria de la Luz Mora
Summary: This study evaluated the impact of silver and copper nanoparticles on phosphate sorption processes in soil, revealing that the presence of nanoparticles significantly increased the adsorption rate and maximum adsorption capacity, while decreasing the desorption ability of phosphate.
JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION
(2022)
Article
Microbiology
Hector Herrera, Tedy Sanhueza, Rafael Borges da Silva Valadares, Francisco Matus, Guillermo Pereira, Cristian Atala, Maria de la Luz Mora, Cesar Arriagada
Summary: This study analyzed the diversity of mycorrhizal and rhizosphere-associated fungal communities in two terrestrial orchids. The results showed significant differences in fungal community composition between different sites, with Sebacina being the most abundant mycorrhizal genus in the rhizosphere of orchids in the native forest, and Thanatephorus being the most abundant mycorrhizal taxon in the rhizosphere of orchids in the Coastal Cordillera.
Review
Chemistry, Multidisciplinary
Jonathan Suazo-Hernandez, Nicolas Arancibia-Miranda, Rawan Mlih, Lizethly Caceres-Jensen, Nanthi Bolan, Maria de la Luz Mora
Summary: In recent years, the release of metal and metallic oxide engineered nanoparticles (ENPs) into the environment has led to an increased accumulation in agricultural soils, posing significant risks to the ecosystem and soil health. This study examines the impact of ENPs on the physical and chemical properties of soils. The results show that the presence of ENPs can alter soil properties such as hydraulic conductivity, porosity, pH, CEC, EC, Eh, and SOM content, as well as influencing nutrient availability in the soil solution through complexation or precipitation with metal cations released from ENPs.
Review
Chemistry, Multidisciplinary
Jonathan Suazo-Hernandez, Pamela Sepulveda, Lizethly Caceres-Jensen, Jorge Castro-Rojas, Patricia Poblete-Grant, Nanthi Bolan, Maria de la Luz Mora
Summary: In the past decade, the use of nanoscale zero-valent iron (nZVI) as an adsorbent has gained attention due to its low cost, non-toxicity, high porosity, and BET-specific surface area. Immobilizing nZVI particles onto inorganic and organic substrates has decreased their agglomeration and enhanced their adsorption capacity for pollutants. However, there is a lack of comprehensive review studies on phosphate removal from aquatic systems. This study evaluates different types of nZVI and nanocomposites, factors affecting phosphate adsorption, and the mechanisms involved in phosphate removal.
Article
Microbiology
Eulalia Sans-Serramitjana, Carla Gallardo-Benavente, Francisco Melo, Jose M. Perez-Donoso, Cornelia Rumpel, Patricio Javier Barra, Paola Duran, Maria de La Luz Mora
Summary: This study examined the biosynthesis and characterization of selenium nanoparticles (SeNPs) using two endophytic selenobacteria. The results showed that both strains were suitable for producing SeNPs with different properties. The SeNPs were surrounded by the proteins, lipids, and polysaccharides of bacterial cells, and the functional groups present in SeNPs from one strain were higher in number than in the other strain. The findings support the potential of these endophytic strains as biocatalysts for producing high-quality Se-based nanoparticles, and future efforts should focus on evaluating their bioactivity and determining how the different features of each SeNP modulate their biological action and stability.
Article
Plant Sciences
Sofia Pontigo, Leyla Parra-Almuna, Ana Luengo-Escobar, Patricia Poblete-Grant, Adriano Nunes-Nesi, Maria de la Luz Mora, Paula Cartes
Summary: This study aimed to identify ryegrass cultivars with contrasting phosphorus (P) use efficiency and assess their associated biochemical and molecular responses. Nine ryegrass cultivars were evaluated under optimal and P-deficient conditions, and the activity and gene expression of acid phosphatases (APases) and P transporters were analyzed. The results showed that cultivars with high P acquisition efficiency were influenced by root-related responses, while cultivars with high P utilization efficiency were influenced by P transporters and APase activity in shoots.
Article
Plant Sciences
Rodrigo Rodriguez, Patricio J. Barra, Giovanni Larama, Victor J. Carrion, Maria de la Luz Mora, Lauren Hale, Paola Duran
Summary: This study confirms the ability of a bioinoculant, generated by natural engineering, to promote the development of tomato plants under water stress. The microbiome engineering, mediated by Antarctic soil donation, water deficit, and multigenerational tomato host selection, resulted in increased tolerance to water deficit stress in tomato plants. Analysis of microbial community using 16s rRNA gene amplicon sequencing data suggested a restructuring of the microbiome associated with the observed tolerance improvement.
FRONTIERS IN PLANT SCIENCE
(2023)
Review
Pharmacology & Pharmacy
Eulalia Sans-Serramitjana, Macarena Obreque, Fernanda Munoz, Carlos Zaror, Maria de La Luz Mora, Miguel Vinas, Pablo Betancourt
Summary: This scoping review examines the potential role of selenium nanoparticles (SeNPs) in combating oral pathogens. The findings suggest that SeNPs have significant antimicrobial efficacy against common oral pathogens, along with effective antioxidant activity and limited toxicity. Further research is needed to evaluate their effectiveness in different settings and to provide detailed information on experimental conditions and safety.
Article
Multidisciplinary Sciences
Patricio Javier Barra, Paola Duran, Mabel Delgado, Sharon Viscardi, Stephane Claverol, Giovanni Larama, Marc Dumont, Maria de la Luz Mora
Summary: This study investigated the effects of aluminum stress and phosphorus deficiency on the proteome of aluminum-tolerant phosphobacteria. Phosphorus deficiency upregulated phosphorus metabolism proteins, while aluminum exposure downregulated iron-sulfur and heme-containing proteins and upregulated iron acquisition proteins. These findings suggest that aluminum has an impact on iron homeostasis and bacterial central metabolism.
