Table 1 Literature synthesis detailing methodologies, research objectives, key results, and limitations.

From: A quantum-driven multi-stage framework integrating variational entanglement, reinforcement learning, and federated explainability for climate-resilient farming

Ref

Method

Main objectives

Findings

Limitations

[1, 10,

23, 33]

AI–IoT smart systems

Plant disease detection, field monitoring, and lightweight deployment in resource-constrained areas

Achieved early disease recognition and precision monitoring through AI IoT integration

Scalability in large farms and false positive rates are not fully addressed

2,14,20

Smart urban/Controlled agriculture

Sustainable irrigation, vertical farming, and greenhouse integration

Reduced energy use and validated urban frameworks with Industry 4.0 integration

Limited rural adaptability and incomplete cost evaluation

3,28

Systematic/ Comprehensive reviews

Survey of CSA technologies, drivers, and service synergies

Mapped AI IoT applications and CSA adoption drivers

Mostly conceptual, lacking causal quantification or experimental validation

[4, 18,

19]

Edge & Sensor fusion (RNN-LSTM, clustering, 3D sensors)

Energy efficiency, mobility, and adaptive decision-making

Improved energy efficiency, dynamic responses, and object recognition

High computational load and resource-intensive sensors

5,21

Human-centric interfaces (Voice, XAI)

Farmer accessibility and trust in AI

Improved interaction and transparency

Dialect limitations and weak model generalizability

6,30

Cybersecurity (CTI, Secure Imaging)

Threat detection and visual data protection

Established risk profiling and secure data encoding

No real-time mitigation and computational overheads

[7, 25,

34, 35,

40]

Deep learning models (CNN, RNN, hybrid)

Crop identification, disease detection, and yield forecasting

Increased accuracy, improved forecasts under climate variability

Hardware dependency, dataset bias, and limited climate re-simulation

8

Patent network analysis

Tracking CSA technology evolution

Identified clusters and innovation gaps

No validation of real-world impact

9

Cloud ML quality monitoring

Crop health data integration with healthcare

Linked cloud analytics to food quality

Latency issues in real-time scenarios

[11, 16,

17, 24,

26, 27,

29, 31, 32, 36, 37]

socioeconomic & policy Studies (Gender, poverty, adoption, financing)

Assessing CSA access, adoption drivers, and economic impact

Demonstrated CSA’s role in poverty reduction, food security, and adoption determinants

Geographic or sectoral constraints, limited scalability, and a lack of longitudinal analysis

12

Business process modelling

Formal verification of Agri-processes

Introduced structured CSA process workflows

Simulation-only validation

13,38

Water & soil studies (Groundwater, nano-amendments)

Aligning CSA with water-smart practices and soil quality

Region-specific water-smart strategies. nano-bonechar showed potential soil benefits

Absence of predictive modelling and early-stage trials

15,22

Blockchain and federated learning

Privacy-preserving distributed CSA models

Secured model training with enhanced scalability under climate stress

High computational and communication overhead

39

Time-series rule mining

Sequential agricultural trend analysis

Captured evolving Agri-system patterns

Limited interpretability