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
The physico-chemical analysis of agricultural soil revealed a textured sandy loam at the surface(0–15 cm),with low organic carbon content(0.42%)and moderate levels of nitrogen(157 kg/ha),phosphorus(15.5 kg/ha),and po...The physico-chemical analysis of agricultural soil revealed a textured sandy loam at the surface(0–15 cm),with low organic carbon content(0.42%)and moderate levels of nitrogen(157 kg/ha),phosphorus(15.5 kg/ha),and potassium(112.6 kg/ha),under neutral pH conditions(pH 7.4).The chickpea variety PG-186 was used to evaluate the impact of nutrient treatments on plant performance and agroecological outcomes.Experimental findings demonstrated a significant influence of various treatments on the growth,yield,and economic returns of chickpea cultivation.The treatment comprising 100%Recommended Dose of Fertilizers(RDF)along with foliar application of 0.6%ZnSO_(4) and 0.9%FeSO_(4) at pre-flowering and pod development stages(T8)resulted in the maximum plant height(15.5 cm,33.7 cm,45.0 cm),dry matter accumulation(27.5 g,245.2 g,1006.7 g/m^(2)),and number of branches per plant(3.47,5.00,and 8.63)at 45,75,and 105 Days After Sowing(DAS),respectively.This treatment also resulted in the highest grain yield(21.00 q/ha)and stover yield(38.67 q/ha),along with a maximum net return of₹95,392/ha and a benefit-to-cost ratio of 2.32.From an ecological standpoint,this study highlights the vital role of balanced and targeted nutrient management in enhancing agroecosystem productivity while maintaining ecological balance.The integration of micronutrient foliar sprays not only boosts nutrient uptake efficiency and plant health but also reduces dependency on excessive chemical fertilizers,thereby mitigating potential negative impacts on soil ecology.Overall,the findings underscore the ecological importance of optimizing nutrient inputs in legume-based cropping systems to foster sustainable agricultural practices that align with ecological resilience,soil health preservation,and environmental stewardship.展开更多
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.
文摘The physico-chemical analysis of agricultural soil revealed a textured sandy loam at the surface(0–15 cm),with low organic carbon content(0.42%)and moderate levels of nitrogen(157 kg/ha),phosphorus(15.5 kg/ha),and potassium(112.6 kg/ha),under neutral pH conditions(pH 7.4).The chickpea variety PG-186 was used to evaluate the impact of nutrient treatments on plant performance and agroecological outcomes.Experimental findings demonstrated a significant influence of various treatments on the growth,yield,and economic returns of chickpea cultivation.The treatment comprising 100%Recommended Dose of Fertilizers(RDF)along with foliar application of 0.6%ZnSO_(4) and 0.9%FeSO_(4) at pre-flowering and pod development stages(T8)resulted in the maximum plant height(15.5 cm,33.7 cm,45.0 cm),dry matter accumulation(27.5 g,245.2 g,1006.7 g/m^(2)),and number of branches per plant(3.47,5.00,and 8.63)at 45,75,and 105 Days After Sowing(DAS),respectively.This treatment also resulted in the highest grain yield(21.00 q/ha)and stover yield(38.67 q/ha),along with a maximum net return of₹95,392/ha and a benefit-to-cost ratio of 2.32.From an ecological standpoint,this study highlights the vital role of balanced and targeted nutrient management in enhancing agroecosystem productivity while maintaining ecological balance.The integration of micronutrient foliar sprays not only boosts nutrient uptake efficiency and plant health but also reduces dependency on excessive chemical fertilizers,thereby mitigating potential negative impacts on soil ecology.Overall,the findings underscore the ecological importance of optimizing nutrient inputs in legume-based cropping systems to foster sustainable agricultural practices that align with ecological resilience,soil health preservation,and environmental stewardship.