Aug 2026· American Journal of Life Science and Innovation· 0 citations· 58 references
Abstract
Agricultural waste recycling offers a circular approach to reducing residue burdens while supporting soil management, crop protection, and resource recovery. This review evaluates the ecological and economic impacts of incorporating compost, digestate, biochar, and related products into integrated plant protection systems. A structured narrative review of peer-reviewed literature published between 2003 and 2026 was conducted, covering disease suppression, nutrient cycling, crop productivity, greenhouse-gas emissions, life-cycle performance, and economic viability. The evidence indicates that compost provides the strongest support for suppressing soil-borne diseases through microbial competition, antibiosis, and modification of the soil environment, whereas biochar can enhance nutrient retention, regulate rhizosphere microbial communities, and induce plant resistance, although its effectiveness depends on feedstock, production conditions, and application practices. Digestate contributes primarily through nutrient recovery and renewable-energy production, with limited evidence of direct pest or disease suppression. Economic benefits include reduced fertilizer and pesticide inputs, avoided waste-disposal costs, renewable-energy generation, improved crop productivity, and potential carbon value, although these gains may be offset by processing costs, transportation, emissions, nutrient losses, and inconsistent field performance. Thus, recycled agricultural products should be regarded as complementary, context-dependent components of integrated plant protection, supported by standardized product characterization, long-term field validation, and integrated ecological and economic assessment.
Sustainable agriculture is increasingly challenged by soil degradation, environmental pollution, and climate change, necessitating the pragmatic and eco-friendly approach. This review systematically synthesizes the role of biochar as multifunctional soil management strategy in enhancing soil health and sustainable environmental management, with particular emphasis on the critical roles of feedstock type and pyrolysis conditions in governing biochar performance. To address existing knowledge gaps, we comprehensively evaluate recent available literature on biochar-based environmental remediation, focusing on key indicators of agricultural sustainability, including nutrients availability, soil biological activity, climate change mitigation, biochar-assisted phytostabilization, and crop productivity. Current evidence indicates that biochar application can achieve a net negative carbon footprint, mitigate greenhouse gas emissions and heavy metal contamination, and improve soil structure, fertility, and overall crop productivity on sustainable-basis. However, these benefits largely depend upon the various important biochar production factors including feedstock source, pyrolysis temperature, biochar stability, residence time, rate of application, and soil pH. Beyond its function as a soil amendment, biochar also serves as a multifunctional resource contributing to bioenergy production, waste reduction, and long-term carbon sequestration. At the same time, this review identifies critical research gaps, including the long-term field performance of biochar, mechanisms underlying the interactions between biochar and agronomic practices, and the environmental and human health risks associated with large-scale agricultural applications. Overall, this work highlights the importance of feedstock selection and pyrolysis parameters in designing biochar for environmental remediation and outlines future research directions to refine biochar engineering, application guidelines, and risk assessment frameworks for its sustainable use.
Ismail Khan, Faming Wang, Abdul Rehman et al.· International journal of phy...· 0 citations
Agricultural sustainability has become a necessity amid the environmental degradation, decline of soil quality, loss of biodiversity and limitations of input-intensive farming systems. This review focuses on the role of cultural agricultural practices, integrated pest management and integrated nutrient management on sustainable production of crops and environmental protection. It identifies the role of crop rotation, intercropping, polyculture, conservation tillage, cover crops, and organic amendments in enhancing soil health, ecosystem resilience, and efficiency of resource use. The review also discusses the significance of integrated pest and nutrient management in reducing dependence on synthetic agrochemicals, strengthening ecological balance, and supporting long-term agricultural productivity. In addition, it explores the growing importance of plant-derived bioactive compounds from sustainable agriculture and their nutritional, therapeutic, and pharmaceutical relevance. Emerging delivery technologies, including lipid-based nanocarriers, encapsulation systems, controlled release approaches, and plant-derived extracellular vesicles, further extend the value of these natural compounds. Despite promising progress, challenges related to standardization, scalability, formulation stability, and regulatory acceptance remain substantial. Overall, the review emphasizes that the integration of ecologically sound farming practices with advances in bioactive research and delivery technologies offers a promising pathway toward environmentally responsible agriculture and value-added utilization of plant resources.
Pravat Ranjan Dixit, Ashish Tiwari, Prriya Chitale et al.· Genetics and Molecular Resea...· 0 citations
The choice between organic and inorganic amendment strategies for tomato (Solanum lycopersicum L.) production has profound implications for soil health, crop productivity, fruit quality, environmental sustainability, and smallholder livelihoods in tropical agro-ecological regions. This review provides a systematic comparative analysis of organic amendmentssuch as compost, vermicompost, biochar, green manures, microbial inoculants, and inorganic fertilizers (nitrogen-phosphorus-potassium compounds, micronutrient fertilizers) across dimensions of yield response, soil physicochemical improvement, economic feasibility, and long-term soil health trajectories. Evidence from peer-reviewed field studies (2018–2025) consistently demonstrates that organic amendments match or exceed inorganic fertilizer yield outcomes over multi-season timeframes while generating substantial co-benefits for soil organic carbon, microbial diversity, water retention, and disease suppression that mineral fertilizers do not provide. Integrated strategies combining organic and reduced-rate inorganic inputs achieve the greatest short-term yields while progressively improving soil health. Nigerian evidence on organic pest management with neem extract and Path-Away® organic formulations demonstrates that organic principles extend beyond soil fertility management to encompass full agronomic systems in which synthetic chemical inputs are minimized. This review proposes criteria for evidence-based selection between organic, inorganic, and integrated amendment strategies in tropical tomato systems.
Adesakin, O. R., Adeboye, S. E., B. A. Gonimi et al.· RA Journal Of Applied Resear...· 0 citations
Biochar, a carbon-rich solid produced through oxygen-limited pyrolysis of biomass, is increasingly considered a soil amendment for sustainable soil fertility management. Indian agriculture faces continuing pressure from soil degradation, declining soil organic carbon, nutrient depletion, crop-residue burning and climate variability, all of which constrain productivity and resource-use efficiency. This review synthesises literature and field-based evidence relevant to the use of biochar in Indian soil-crop systems. It discusses biochar production through slow, fast and flash pyrolysis using crop residues, woody biomass, and livestock or poultry manure at 300–700 °C, and relates these production conditions to key properties, including porosity, specific surface area, alkaline pH, fixed carbon content and nutrient composition. The review also examines the principal mechanisms through which biochar improves soil fertility, including modification of bulk density, water-holding capacity, aggregate stability, cation exchange capacity, soil reaction, nutrient retention and microbial activity. Evidence reviewed here indicates that biochar can reduce nutrient leaching, influence nitrogen and phosphorus dynamics, contribute to soil carbon sequestration, and mitigate selected greenhouse gas emissions, although responses depend on feedstock, pyrolysis conditions, soil type and crop requirement. Field observations from India suggest that applications within the range of 5–20 t ha⁻¹ can improve the productivity of rice, wheat, maize, legumes, oilseeds, plantation crops and vegetables, with stronger responses generally reported in acidic, sandy and degraded soils. The review further identifies practical constraints to adoption, including production cost, inconsistent product quality, limited standardisation, insufficient extension support and variable soil-crop compatibility. Integrating biochar with integrated nutrient management and decentralised residue management may support more sustainable soil fertility strategies in India.
Manoj Kumar, A. Pandey, Ashutosh Singh et al.· International Journal of Env...· 0 citations
Microplastic contamination in agricultural soils is a rising problem that risks soil health, crop production, and the general balance of nature. These tiny fragments alter soil structural composition and nutrient cycles while also inhibiting microbial processes, which are, without a doubt, the most vital for soil fertility. The research provides data on the origins and the behaviour of microplastics (MPs) in agroecosystems and tracks their movement through biosolids, plastic mulches, and irrigation. Their binding to soil elements changes porosity, aggregation, water retention, and nutrient availability; at the same time, it also increases the risk of transport of heavy metals, pesticides, and pathogens. The solutions on the table include organic amendments, biodegradable products, phytoremediation, and integrated nutrient management to address contaminant–nutrient relationships. Strengthening soil monitoring systems and advancing circular bioeconomy strategies are the major steps toward alleviating plastic pollution in rural areas. A unified strategy that integrates scientific research, policy measures, and sustainable farming practices is crucial for reducing microplastic pollution, enhancing soil resilience, and promoting the long-term sustainability of agricultural ecosystems.
Restoring soil health, boosting biodiversity, strengthening ecosystem resilience, and boosting carbon sequestration while preserving agricultural productivity are the goals of regenerative agriculture, an integrated land-management strategy. Regenerative agriculture, in contrast to traditional sustainable methods, concentrates on using ecological processes to replenish soil organic matter and biological activity. Because they emphasize biological nutrient cycle and reduce synthetic inputs, organic and natural farming systems are significant elements of this larger regenerative framework. In India, methods like Zero Budget Natural Farming (ZBNF) and Organic Farming have drawn interest due to their potential to lower production costs, enhance soil quality, and advance sustainable agriculture. Research carried out in India under natural farming efforts has shown notable increases in soil organic carbon and microbial activity, as well as yield improvements of 20–40% on degraded soils. Crop rotation, green manuring, composting, and biological pest control are examples of organic farming techniques that enhance soil structure and long-term production. This study looks at how natural and organic agricultural methods fit into the larger idea of regenerative agriculture. The study assesses their effects on soil health, biodiversity conservation, and sustainable crop production using a qualitative review of secondary literature. The results show that combining organic and natural farming methods with regenerative principles can greatly improve soil carbon sequestration, boost climate-resilient farming systems, and increase agricultural sustainability.
B. Ramanjaneyulu, Annu Rani· AgriBio Innovations· 0 citations