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Showing posts from June, 2025

biological and biochemical pesticides as a sustainable alternative in organic agriculture

        Biological and biochemical pesticides offer a sustainable and eco-friendly alternative to synthetic chemicals in organic agriculture. Derived from natural sources such as microbes, plant extracts, or naturally occurring substances, these pesticides target specific pests without harming beneficial organisms, soil health, or water quality. Biological agents like Bacillus thuringiensis (Bt), Trichoderma , and entomopathogenic fungi play a critical role in pest suppression through biological control. Similarly, biochemical pesticides—including insect pheromones, plant-based oils, and microbial metabolites—disrupt pest behavior and development. These green alternatives not only align with organic farming principles but also contribute to biodiversity preservation, residue-free produce, and long-term agricultural sustainability. As the demand for environmentally responsible farming practices grows, biological and biochemical pesticides are becoming key tools in t...

oil moisture retrieval and spatiotemporal variation analysis based on deep learning

      Soil moisture retrieval and spatiotemporal variation analysis using deep learning has emerged as a cutting-edge approach to understanding soil-water dynamics with improved accuracy and efficiency. By leveraging deep learning algorithms such as Convolutional Neural Networks (CNNs) and Long Short-Term Memory (LSTM) networks, researchers can extract valuable information from multi-source remote sensing data, including satellite imagery and climate records. These models can capture complex nonlinear relationships and spatial dependencies, enabling precise estimation of soil moisture across different terrains and time periods. Furthermore, the integration of spatiotemporal features helps in identifying seasonal trends, drought patterns, and regional water stress, offering critical insights for agriculture, hydrology, and environmental management. This approach not only enhances prediction accuracy but also supports sustainable land and water resource planning. Hashtags:...

Ecological risk assessment of oilfield soil through the use of machine learning combining with spatial interaction effects

     Ecological risk assessment of oilfield-contaminated soil is vital for ensuring environmental and public health. By integrating machine learning with spatial interaction effects, researchers can better identify contamination hotspots, predict pollutant dispersion, and evaluate long-term ecological impacts. Machine learning models, such as random forest and support vector machines, enhance the accuracy of risk prediction by analyzing complex datasets, including heavy metal concentrations, soil properties, and land-use patterns. Spatial interaction effects further refine these assessments by considering how contamination spreads and interacts across geographic regions. This combined approach enables more precise, data-driven decision-making for soil remediation and sustainable land management in oil-impacted regions. Hashtags: #EcologicalRiskAssessment #OilfieldSoil #MachineLearning #SoilContamination #SpatialAnalysis #EnvironmentalMonitoring #SoilHealth #PollutionMapp...

Biochar-influenced solubilization and mineralization mechanisms of phosphorus in saline-sodic soils

      The application of biochar in saline-sodic soils plays a crucial role in enhancing phosphorus (P) availability through improved solubilization and mineralization mechanisms. Biochar, due to its high surface area, porous structure, and functional groups, can adsorb excess sodium and reduce soil pH, creating favorable conditions for phosphorus dynamics. It enhances microbial activity and supports phosphorus-solubilizing bacteria and fungi, which convert insoluble phosphorus compounds into bioavailable forms. Moreover, biochar can interact with organic matter and soil minerals to release occluded phosphorus and reduce fixation by calcium, magnesium, and sodium ions. This dual function of improving soil structure and stimulating biochemical processes leads to increased phosphorus uptake by plants, especially in nutrient-deficient and saline-affected environments. #Biochar #PhosphorusSolubilization #PhosphorusMineralization #SalineSodicSoil #SoilAmendment #SustainableAgr...

Optimizing the rotation cycle of previous crops increases crop yield and environmental sustainability in paddy field rotation

 Optimizing the rotation cycle of previous crops in paddy field systems plays a crucial role in enhancing both crop yield and environmental sustainability. By strategically selecting and sequencing crops before rice cultivation—such as legumes, oilseeds, or vegetables—farmers can improve soil fertility, reduce pest and disease pressure, and break monoculture-related nutrient depletion. This approach not only supports higher productivity of rice but also minimizes the need for chemical fertilizers and pesticides, thereby lowering environmental footprints. Efficient crop rotation also improves soil structure and promotes biodiversity in the agroecosystem, aligning with sustainable agricultural practices and long-term food security goals. #Hashtags: #CropRotation #PaddyFieldSustainability #SustainableFarming #SoilHealth #AgriculturalProductivity #EcoFriendlyFarming #RiceCultivation #SustainableAgriculture #CropYieldImprovement #Agroecology #OrganicFarming #FarmSustainability #SoilFer...

Optimization of Sandy Mudstone Substrate for Plant Growth and Soil Quality

       Optimizing sandy mudstone substrates for plant growth and soil quality is crucial in arid and semi-arid environments where soil fertility and structure are naturally poor. Sandy mudstone, characterized by its low water retention and nutrient availability, requires targeted amendments such as organic matter, biochar, and microbial inoculants to improve its physicochemical properties. The integration of compost, green manure, and mineral fertilizers enhances nutrient cycling, while soil conditioners like gypsum improve aggregation and porosity. Moreover, vegetation cover using adaptive plant species helps stabilize the substrate, reduce erosion, and create a favorable microclimate for root development. Long-term monitoring of soil organic carbon, microbial biomass, and plant health indicators is essential to assess the success of optimization strategies and ensure sustainable soil management. This approach not only boosts crop productivity but also contributes ...

Theoretical calculation model of the soil arching effect considering tunnel influence

        The theoretical calculation model of the soil arching effect considering tunnel influence provides a refined framework to analyze stress redistribution around underground structures. This model takes into account the mechanical interaction between the surrounding soil mass and the tunnel lining, highlighting the formation and stability of soil arching above and around the tunnel. By integrating key geotechnical parameters such as soil cohesion, internal friction angle, and overburden pressure, the model effectively predicts how load transfer occurs due to tunneling-induced voids. It also incorporates tunnel geometry and depth, providing more accurate insights for design safety, ground movement prediction, and settlement control. Such a model is crucial for optimizing support systems and minimizing risks during tunnel construction in both urban and natural environments. Hashtags: #SoilArchingEffect #TunnelInfluence #GeotechnicalEngineering #SoilMechanics #Und...

Image analysis method combined with machine learning for the prediction of soil and air quality

      The integration of image analysis methods with machine learning has opened new frontiers in predicting soil and air quality with greater accuracy and efficiency. High-resolution satellite imagery, drone-captured visuals, and hyperspectral imaging are now widely used to extract visual features such as color variations, texture patterns, vegetation health, and land-use changes. These visual indicators are then fed into machine learning models—such as convolutional neural networks (CNNs) and support vector machines (SVMs)—to identify correlations with soil parameters (like moisture, pH, organic content) and air pollutants (like particulate matter, NOx, and CO₂). This data-driven approach enables continuous environmental monitoring, early warning systems, and sustainable land management strategies. The fusion of visual data with predictive analytics not only enhances spatial coverage but also minimizes the need for invasive sampling, offering a scalable solution for sm...

Role of fragmented forests for maintaining a herbivore assemblage in agroecosystem

       Fragmented forests play a critical role in sustaining herbivore assemblages within agroecosystems by acting as vital habitat patches that offer food, shelter, and movement corridors for various herbivorous species. Despite being broken into smaller units due to agricultural expansion, these forest fragments can still support biodiversity by maintaining ecological niches and reducing the impacts of habitat isolation. Herbivores, ranging from small rodents to larger ungulates, often depend on these fragmented areas for refuge and seasonal resources, especially in landscapes dominated by crops or pastures. Additionally, the presence of a diverse herbivore community contributes to ecosystem services such as seed dispersal and nutrient cycling, enhancing the resilience and productivity of the agroecosystem. Maintaining and managing forest fragments can thus be a strategic component in sustainable agricultural practices, promoting both biodiversity conservation and...

Synergistic interactions of CO2 fertilization nitrogen under climate change

  The synergistic interactions of CO₂ fertilization with water availability, heat stress, and nitrogen levels are critical to understanding crop productivity under climate change. In major staples like maize, rice, and wheat, elevated CO₂ often enhances photosynthesis and yield—a phenomenon known as CO₂ fertilization. However, this benefit is not uniform and can be significantly altered by water scarcity, extreme temperatures, and nutrient limitations. For instance, while CO₂ enrichment may increase biomass, water stress can offset these gains by limiting transpiration and nutrient uptake. Similarly, heatwaves during sensitive growth stages like flowering can negate CO₂ benefits through spikelet sterility or kernel abortion. Moreover, the positive response to CO₂ is amplified only when nitrogen is sufficiently available, indicating a complex interplay among these factors. Recent field experiments and modeling studies demonstrate that without simultaneous improvements in water and ...

Sustainable energy development goals of an organic waste biorefinery model for agriculture economies

       A sustainable organic waste biorefinery model plays a vital role in achieving energy development goals for agriculture-based economies. By converting agricultural residues, animal manure, and organic municipal waste into renewable bioenergy, such a model promotes a circular economy while reducing environmental pollution. This approach supports multiple Sustainable Development Goals (SDGs), including affordable and clean energy (SDG 7), sustainable cities and communities (SDG 11), responsible consumption and production (SDG 12), and climate action (SDG 13). The integration of biorefineries into rural agricultural systems enhances energy security, reduces dependence on fossil fuels, and boosts local employment through green jobs. Furthermore, the nutrient-rich byproducts from the biorefinery process can be reused as biofertilizers, fostering soil health and promoting sustainable agriculture. Overall, this model offers a scalable, eco-friendly solution to energy...