
Demeter Ag Aggregate: ag in context bulletin, August 2026
The Demeter Ag Aggregate read against the context it operates in: what agricultural output sells for, what the inputs cost, and what moving it costs.
Indices, data and tools for investors, operators, insurers and capital markets participants across agriculture value chains.

The Demeter Ag Aggregate read against the context it operates in: what agricultural output sells for, what the inputs cost, and what moving it costs.

The California DASI is broadly unchanged from the last headline publication, easing by 0.2% to 120.8 over the past fortnight.

California's two most important tree nut sectors are diverging at historic scale. This report tracks every acre planted and removed across 40 years by district, basin, and GSA to expose where capital is flowing, where it's retreating, and what it means for supply through the next decade.
Field-level crop map with age and year of planting.
Chill portion accumulation, hemisphere-adjusted. Global. 2000-2025.
Facility map of olive pomace extractors in major Mediterranean olive-oil producing countries, with plant capacity, expansion history and ownership.
Frost events at various severities. Global. 2000-2025.
Inventory of irrigation schemes in South Africa with boundaries, supply conditions and managing authorities.
Database of liens registered against agricultural assets in California by parcel and operator.