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| 1 | Influence of tillage, residue management, and crop rotation on soil microbial biomass and catabolic diversity显示文摘 | Bram Govaerts Monica Mezzalama Yusuke Unno Ken D. Sayre Marco Luna-Guido Katrien Vanherck Luc Dendooven Jozef Deckers | 2007 | Applied Soil Ecology2007,,1: | 1 |
| 2 | Greenhouse gas emissions from a wastewater sludge-amended soil cultivated with wheat ( Triticum spp. L.) as affected by different application rates of charcoal显示文摘 | ángel Aguilar-Chávez Martín Díaz-Rojas María del Rosario Cárdenas-Aquino Luc Dendooven Marco Luna-Guido | 2012 | Soil Biology and Biochemistry2012,,: | 1 |
| 3 | Using Acetone as Solvent to Study Removal of Anthracene in Soil Inhibits Microbial Activity and Alters Nitrogen Dynamics显示文摘 | Edgar Vázquez Nú?ez Viviana Rodríguez Alejandro García Gaytán Marco Luna-Guido Liliana A. Betancur-Galvis Rodolfo Marsch Luc Dendooven | 2009 | Archives of Environmental Contamination and Toxicology2009,,2: | 1 |
| 4 | Bacterial and archaeal communities in saline soils from a Los Negritos geothermal area in Mexico显示文摘In recent years,there has been a growing need to understand how salinity affects microbial communities in agricultural soils.Archaeal and bacterial community diversities and structures were investigated by high-throughput sequencing analysis of their 16S rRNA in two arable soils with low electrical conductivity(EC)(2.3 and 2.6 dS m^(-1))and a saline soil(EC=17.6 dS m^(-1)).The dominant bacterial phyla in the soils were Proteobacteria(relative abundance(RA)=46.2%),followed by Acidobacteria(RA=13.1%)and Actinobacteria(RA=10.0%),whereas Serratia(RA=6.0%)and Bacillus(RA=4.0%)were the dominant bacterial genera.Candidatus Nitrososphaera(53.5%)was the dominant archaeal phylotype in the arable soils,whereas Nitrosopumilus(RA=0.4%)dominated in the saline soil.The archaeal and bacterial community structures were different between the soils and significantly correlated with soil sand,arsenic,barium,and antimony contents,but not with soil salinity. | Joseph GUEVARA-LUNA Mario HERNÁNDEZ-GUZMÁN Nina MONTOYA-CIRIACO Luc DENDOOVEN Marina Olivia FRANCO-HERNÁNDEZ Paulina ESTRADA-DE LOS SANTOS María Soledad VÁSQUEZ-MURRIETA | 2023 | Pedosphere2023,33,2: | 0 |
| 5 | Dynamics of ^(14)C-labelled Glucose and NH_4^+ in a Regularly Flooded Extremely Alkaline Saline Soil显示文摘Flooding an extremely alkaline(pH 10.6) saline soil of the former Lake Texcoco to reduce salinity will affect the soil carbon(C)and nitrogen(N) dynamics.A laboratory incubation experiment was done to investigate how decreasing soil salt content affected dynamics of C and N in an extremely alkaline saline soil.Sieved soil with electrical conductivity(EC) of 59.2 dS m^(-1) was packed in columns,and then flooded with tap water,drained freely and conditioned aerobically at 50%water holding capacity for a month.This process of flooding-drainage-conditioning was repeated eight times.The original soil and the soil that had undergone one,two,four and eight flooding-drainage-conditioning cycles were amended with 1000 mg glucose-^(14)C kg^(-1) soil and 200 mg NH_4^+-N kg^(-1)soil,and then incubated for 28 d.The CO_2 emissions,soil microbial biomass,and soil ammonium(NE_4^+),nitrite(NO_2^-) and nitrate(NO_3^-) were monitored in the aerobic incubation of 28 d.The soil EC decreased from 59.2 to 1.0 dS m^(_1) after eight floodings,and soil pH decreased from 10.6 to 9.6.Of the added ^(14)C-labelled glucose,only 8%was mineralized in the original soil,while 24%in the soil flooded eight times during the 28-d incubation.The priming effect was on average 278 mg C kg^(-1) soil after the 28-d incubation.Soil microbial biomass C(mean 66 mg C kg^(-1) soil) did not change with flooding times in the unamended soil,and increased 1.4 times in the glucose-NH_4^+-amended soil.Ammonium immobilization and NO_2^- concentration in the aerobically incubated soil decreased with increasing flooding times,while NO_3^- concentration increased.It was found that flooding the Texcoco soil decreased the EC sharply,increased mineralization of glucose,stimulated nitrification,and reduced immobilization of inorganic N,but did not affect soil microbial biomass C. | Luc DENDOOVEN Eustacio RAMIREZ-FUENTES Rocio ALCANTARA-HERNDEZ Cesar VALENZUELA-ENCINAS Katia Berenice SANCHEZ-LOPEZ Marco LUNA-GUIDO Victor Manuel RUIZ-VALDIVIEZO | 2015 | Pedosphere2015,25,2: | 0 |
| 6 | Greenhouse Gas Emissions and Growth of Wheat Cultivated in Soil Amended with Digestate from Biogas Production显示文摘Digestate, the product obtained after anaerobic digestion of organic waste for biogas production, is rich in plant nutrients and might be used to fertilize crops. Wheat(Triticum spp. L.) was fertilized with digestate, urea, or left unfertilized and cultivated in the greenhouse for 120 d. Emissions of greenhouse gasses(carbon dioxide(CO_2), methane(CH_4), and nitrous oxide(N_2O)) were monitored and plant growth characteristics were determined at harvest. The digestate was characterized for heavy metals, pathogens, and C and N mineralization potential in an aerobic incubation experiment. No Salmonella spp., Shigella spp., or viable eggs of helminths were detected in the digested pig slurry, but the number of faecal coliforms was as high as 3.6 × 10~4colony-forming units(CFU) g-^(1)dry digestate. The concentrations of heavy metals did not surpass the upper limits established by US Environmental Protection Agency(EPA). After 28 d, 17% of the organic C(436 g kg^(-1)dry digestate) and 8% of the organic N(6.92 g kg^(-1)dry digestate)were mineralized. Emissions of CO_2 and CH_4 were not significantly affected by fertilization in the wheat-cultivated soil, but digestate significantly increased the cumulative N_2O emission by 5 times compared to the urea-amended soil and 63 times compared to the uncultivated unfertilized soil. It could be concluded that digestate was nutrient rich and low in heavy metals and pathogens, and did not affect emissions of CH_4 and CO_2 when applied to a soil cultivated with wheat, but increased emission of N_2O. | Liliana PAMPILLON-GONZALEZ Marco LUNA-GUIDO Victor Manuel RUIZ-VALDIVIEZO Olivia FRANCO-HERNANDEZ Fabign FERNANDEZ-LUQUENO Oetavio PAREDES-LOPEZ Gerardo HERNANDEZ Luc DENDOOVEN | 2017 | Pedosphere2017,27,2: | 0 |
| 7 | Antifungal Potential of Beauveria bassiana on Solanum lycopersicum L. Infected with Fusarium oxysporum f. sp. lycopersici显示文摘The objective of this work was to evaluate the effect of Beauveria bassiana(Bb 1205)on controlling Fusarium oxysporum f.sp.lycopersici(Fol 17108)in tomato plants in greenhouse conditions.Inoculation of Bb 1205 was the most promising among the agronomic variables and expression of the activity of the enzymesβ-1,3-glucanases and chitinases.Inoculation of Bb 1205 occurred at a concentration of 1×108 conidia·mL−1,which was administered onto the leaves,directly into the soil and via injection.Infection with Fol 17108 occurred with 1×106 spores·mL−1,which were added directly to the soil.Spectrophotometry was used for measuring agronomic parameters,namely activity of chitinases andβ-1,3-glucanases in foliage and roots.When Bb 1205 was added to the soil,the chlorophyll index and aerial part length showed significant differences.In addition,it was determined that root length,fresh weight of foliage,flower,and fruit count increased 82 days after inoculation(dai).Chitinase activity induced by Bb 1205 in leaves and roots of tomato plants infected with Fol 17108 was observed when injected into the stem at 32 dai(41.8 and 11.6-fold,respectively).Inoculation on the foliage showed a 10-fold increase ofβ-1,3-glucanases in the roots after 82 dpi.As for leaves,a 3.8-fold increase was found when the stem was inoculated.In the different in vivo applications,Bb 1205 activated its defenses by expressing the chitinase enzymes andβ-1,3-glucanase,thus reducing the damage caused by Fol 17108,demonstrating increase plant growth thereafter. | Henry López-López Nancy Ruiz-Lau Rocío Meza-Gordillo Víctor Manuel Ruiz-Valdiviezo Joseph Galthier Robledo-Luchetti Carlos Alberto Lecona-Guzmán Juan JoséVillalobos-Maldonado Luc Dendooven Joaquín Adolfo Montes-Molina | 2023 | Phyton-International Journal of Experimental Botany2023,92,4: | 0 |