The current investigation focuses on intertwined relationships of ecology and aquaculture for the benefit of farmers involved in fish farming practices.The study evaluated glucosinolate reduction in black,brown,and wh...The current investigation focuses on intertwined relationships of ecology and aquaculture for the benefit of farmers involved in fish farming practices.The study evaluated glucosinolate reduction in black,brown,and white mustard meals as fish feed ingredients for Indian Major Carps.Fish were fed with 10%mustard meal-supplemented diets in three forms:Raw(R),Anti-nutritional Rich(AR),and Anti-nutritional Lowered(AL),alongside a control group using floating feed.The three-month indoor experiment(September-November 2023)was conducted in FRP tanks with triplicate treatments.Blood analysis revealed compromised health in AR-fed carps,with reduced hemoglobin levels in rohu,catla and mrigal and elevated total leukocyte counts indicating inflammation in all the three carps studied here.Liver function was impaired in AR-fed fish,shown by increased alanine transaminase levels,highest in rohu followed by mrigal and catla.Histopathological examination of AR-fed carps liver tissue revealed necrotic spots,deformed hepatocytes,and significant vacuolation.In contrast,AL-fed fish demonstrated improved health parameters through Complete Blood Count analysis,liver function tests,and histo-pathological observations,suggesting successful reduction of anti-nutritional factors in the processed mustard meals.In near future,replacement of unprocessed seed meal with processed seed meal will lead to economic gains in fish farming.展开更多
This present study identifies endophytic bacteria from Linum usitatissimum with multidimensional plant growth-promoting attributes,positioning them as ecological engineers for sustainable agriculture.Plant growthpromo...This present study identifies endophytic bacteria from Linum usitatissimum with multidimensional plant growth-promoting attributes,positioning them as ecological engineers for sustainable agriculture.Plant growthpromoting bacteria(PGPB)are present in symbiotic associations with plants or rhizosphere.These microbes enhance crop productivity and resilience under different environmental conditions.Endophytes are a type of PGPB that inhabit inside plant tissues and contribute to plant growth by phytohormone production,phosphate solubilisation,zinc solubilisation,siderophore production,ammonia production,nitrogen fixation,stress tolerance,and biocontrol mechanisms.Twelve bacterial strains were isolated from Linum usitatissimum exhibiting plant growth-promoting attributes such as ammonia and indole-3-acetic acid(IAA)production,siderophore synthesis,phosphate solubilisation,and extracellular enzyme synthesis.The isolated endophytes were also assessed for different enzymatic activities such as;cellulase,pectinase,xylanase,amylase,and gelatinase,which contribute to development of a symbiotic relationship and are crucial for the degradation of plant cell wall components The most efficient endophytes identified in the present study were Pseudomonas sp.strain JL-1(ESL1)and Staphylococcus sciuri(ESL2),both of which displayed strong plant growth-promoting potential.ESL1 and ESL2 demonstrated promising plant growth-promoting characteristics and cellulase,pectinase,xylanase,amylase,and gelatinase,activity.ESL2(Staphylococcus sciuri)enhanced nutrient cycling(phosphate solubilisation:196-209μg/ml;siderophores:68-71%)and stress tolerance(IAA:11-12μg/ml),reducing reliance on synthetic inputs.By integrating flax microbiomes into agro-ecosystems,we demonstrate a scalable approach to reconcile crop productivity with soil biodiversity conservation.These results demonstrate the potentiality of these endophytic microbes in sustainable agriculture,environmental management,and microbial biotechnology.Further studies on their metabolic pathways may expand their applications in bioremediation and plant-microbe interactions.展开更多
Background:The study examines the ecological impact of nano-micronutrient composites on the growth and maturation of late-planted wheat within an agroecological framework.Methods:Experiments conducted using a Randomiz...Background:The study examines the ecological impact of nano-micronutrient composites on the growth and maturation of late-planted wheat within an agroecological framework.Methods:Experiments conducted using a Randomized Block Design(RBD)with three replications and eight treatment combinations,ensured uniform plant populations prior to treatment applications.Significant variations were observed across multiple growth parameters,including tiller density per square meter and dry matter accumulation at 30,60,90,and 120 days after sowing(DAS).Results:Notably,the treatment involving RDF+20 ppm rGO-Fe+rGO-Zn with two foliar sprays at 45 and 60 DAS(T6)exhibited markedly superior growth performance compared to the control and conventional zinc and iron applications.Maximum grain yield(29.2 q/ha)was achieved in T8(RDF+20ppm rGO-Fe+rGO-Zn with two sprays at 45 and 60 DAS)whereas straw yield(50.5 q/ha),biological yield(77.1 q/ha),Harvest Index(38.7%)and Grain Straw ratio(0.6)were found maximum in RDF+20ppm rGO-Fe+rGO(Reduced Graphene oxide)−Zn with two sprays at 45 and 60 DAS(T6).Conclusion:The application of reduced graphene oxide(rGO)-based iron and zinc nanoparticles significantly improved nutrient uptake and utilization efficiency,leading to enhanced crop vigor and yield.The study underscores the ecological importance of integrating nanotechnology with nutrient management to sustain a healthy and balanced agroecosystem.This research focuses on sustainable agriculture,nanofertilizers,nutrient use efficiency,and ecological impact,which follows the Q16,Q57,and O13 JEL(Journal of Economic Literature)classification.展开更多
文摘The current investigation focuses on intertwined relationships of ecology and aquaculture for the benefit of farmers involved in fish farming practices.The study evaluated glucosinolate reduction in black,brown,and white mustard meals as fish feed ingredients for Indian Major Carps.Fish were fed with 10%mustard meal-supplemented diets in three forms:Raw(R),Anti-nutritional Rich(AR),and Anti-nutritional Lowered(AL),alongside a control group using floating feed.The three-month indoor experiment(September-November 2023)was conducted in FRP tanks with triplicate treatments.Blood analysis revealed compromised health in AR-fed carps,with reduced hemoglobin levels in rohu,catla and mrigal and elevated total leukocyte counts indicating inflammation in all the three carps studied here.Liver function was impaired in AR-fed fish,shown by increased alanine transaminase levels,highest in rohu followed by mrigal and catla.Histopathological examination of AR-fed carps liver tissue revealed necrotic spots,deformed hepatocytes,and significant vacuolation.In contrast,AL-fed fish demonstrated improved health parameters through Complete Blood Count analysis,liver function tests,and histo-pathological observations,suggesting successful reduction of anti-nutritional factors in the processed mustard meals.In near future,replacement of unprocessed seed meal with processed seed meal will lead to economic gains in fish farming.
文摘This present study identifies endophytic bacteria from Linum usitatissimum with multidimensional plant growth-promoting attributes,positioning them as ecological engineers for sustainable agriculture.Plant growthpromoting bacteria(PGPB)are present in symbiotic associations with plants or rhizosphere.These microbes enhance crop productivity and resilience under different environmental conditions.Endophytes are a type of PGPB that inhabit inside plant tissues and contribute to plant growth by phytohormone production,phosphate solubilisation,zinc solubilisation,siderophore production,ammonia production,nitrogen fixation,stress tolerance,and biocontrol mechanisms.Twelve bacterial strains were isolated from Linum usitatissimum exhibiting plant growth-promoting attributes such as ammonia and indole-3-acetic acid(IAA)production,siderophore synthesis,phosphate solubilisation,and extracellular enzyme synthesis.The isolated endophytes were also assessed for different enzymatic activities such as;cellulase,pectinase,xylanase,amylase,and gelatinase,which contribute to development of a symbiotic relationship and are crucial for the degradation of plant cell wall components The most efficient endophytes identified in the present study were Pseudomonas sp.strain JL-1(ESL1)and Staphylococcus sciuri(ESL2),both of which displayed strong plant growth-promoting potential.ESL1 and ESL2 demonstrated promising plant growth-promoting characteristics and cellulase,pectinase,xylanase,amylase,and gelatinase,activity.ESL2(Staphylococcus sciuri)enhanced nutrient cycling(phosphate solubilisation:196-209μg/ml;siderophores:68-71%)and stress tolerance(IAA:11-12μg/ml),reducing reliance on synthetic inputs.By integrating flax microbiomes into agro-ecosystems,we demonstrate a scalable approach to reconcile crop productivity with soil biodiversity conservation.These results demonstrate the potentiality of these endophytic microbes in sustainable agriculture,environmental management,and microbial biotechnology.Further studies on their metabolic pathways may expand their applications in bioremediation and plant-microbe interactions.
文摘Background:The study examines the ecological impact of nano-micronutrient composites on the growth and maturation of late-planted wheat within an agroecological framework.Methods:Experiments conducted using a Randomized Block Design(RBD)with three replications and eight treatment combinations,ensured uniform plant populations prior to treatment applications.Significant variations were observed across multiple growth parameters,including tiller density per square meter and dry matter accumulation at 30,60,90,and 120 days after sowing(DAS).Results:Notably,the treatment involving RDF+20 ppm rGO-Fe+rGO-Zn with two foliar sprays at 45 and 60 DAS(T6)exhibited markedly superior growth performance compared to the control and conventional zinc and iron applications.Maximum grain yield(29.2 q/ha)was achieved in T8(RDF+20ppm rGO-Fe+rGO-Zn with two sprays at 45 and 60 DAS)whereas straw yield(50.5 q/ha),biological yield(77.1 q/ha),Harvest Index(38.7%)and Grain Straw ratio(0.6)were found maximum in RDF+20ppm rGO-Fe+rGO(Reduced Graphene oxide)−Zn with two sprays at 45 and 60 DAS(T6).Conclusion:The application of reduced graphene oxide(rGO)-based iron and zinc nanoparticles significantly improved nutrient uptake and utilization efficiency,leading to enhanced crop vigor and yield.The study underscores the ecological importance of integrating nanotechnology with nutrient management to sustain a healthy and balanced agroecosystem.This research focuses on sustainable agriculture,nanofertilizers,nutrient use efficiency,and ecological impact,which follows the Q16,Q57,and O13 JEL(Journal of Economic Literature)classification.
