Based on the provided farm task analysis, here are the observations, analysis, and recommendations:

Task Analysis:

1. Task Duplication: There are two identical tasks, "Ploughing (Land preparation)", with the same start and end dates, but with different fields (Land 1 and Land 4) and slightly different cost divergence values (-100.0 and 155.0).
2. Responsible Person: Chido Kuvasekera is assigned to only one task, which is Land 1.
3. Cost Divergence: The cost divergence varies between the two tasks. Land 1 has a negative divergence (-100.0), indicating a cost savings, while Land 4 has a positive divergence (155.0), indicating an overrun.

Recommendations:

1. Task Consolidation: Consider consolidating the two identical tasks into one, with the total cost calculated accordingly. This would avoid duplicate efforts and improve task management.
2. Resource Allocation: Ensure that Chido Kuvasekera is aware of their responsibilities for both Land 1 and Land 4 tasks. If necessary, reassign or add additional resources to ensure task completion.
3. Cost Review: Investigate the causes of the cost overrun in Land 4 (155.0) and the cost savings in Land 1 (-100.0). This will help identify areas for cost optimization and improve future budgeting.
4. Field Allocation: Review the most suitable fields for each task, considering factors like soil type, weather conditions, and crop requirements. This might help optimize task efficiency and reduce divergences.

Additional Comments:

• Consider adding a task status (e.g., "In Progress", "Completed", or "Delayed") to track the progress of each task.
• Include a "Task ID" or unique identifier to easily identify and distinguish between tasks.
• Provide more detailed comments to explain the reasons" for the cost divergence (e.g., equipment failure, weather conditions, or changes in crop requirements).

By addressing these points, you can optimize your farm task management, reduce costs, and increase overall efficiency.