← Back to catalogue
Published

hay

vr.tr.hay · thing-q336989

Let an agent explain hay, relay production, quality, storage and safety from agricultural sources, describe windrows and aftermath, and distinguish hay from straw, silage, haylage and fresh pasture.

Thing Registry Physical world and living systems PHY.LIV

Bundle → Layer → Finding → Questions Filled

4 bundles · 8 layers · 8 findings · 16 questions

Understand What hay is.

Definition

Definition.

Definition

Definition.

  1. What is hay, and how does it differ from straw, silage, haylage and pasture? definition
  2. Is the question about production, feeding, storage safety or terminology? boundary

Terms

Terms.

Terms

Terms.

  1. What are windrows, aftergrass and aftermath? definition
  2. Which entry fits the specific term? action
Production Production.

Making

Haymaking.

Making

Making.

  1. How is hay mown, dried, raked and baled? provenance
  2. Which references are standard? provenance

Quality

Quality.

Quality

Quality.

  1. What determines hay quality, and how is it tested? provenance
  2. Which sources are cited? provenance
Safety Storage and safety.

Fire

Fire risk.

Fire

Fire.

  1. Why can damp hay self-heat and ignite, and what do fire services advise? provenance
  2. Which entry fits spontaneous combustion? action

Health

Animal and human health.

Health

Health.

  1. What are the risks of mouldy hay and hay dust, in general terms? provenance
  2. Which entry fits farmer s lung? action
Context History.

History

History.

History

History.

  1. How did haymaking change from scythes to balers? provenance
  2. Which entry fits hay baler? action

Culture

Culture.

Culture

Culture.

  1. How does haymaking figure in rural culture and idioms? provenance
  2. Which entry fits make hay while the sun shines? action

Classifiers Filled

Family
Thing Registry
Category
Physical world and living systems
Entry kind
thing
Plane
PHY
Domain
PHY.LIV
Other names and narrower kinds
aftergrass, aftermath, windrow

What it is Filled

Grass, legumes or other herbaceous plants cut, dried and stored for use as animal fodder, especially for cattle, horses, sheep and goats, made by mowing, turning and raking into windrows, then baling; aftergrass or aftermath is the regrowth after a first cut, which may be taken as a second crop. Hay quality depends on plant species, maturity at cutting and drying conditions, and damp hay can overheat and ignite.

Why it exists Filled

Let an agent explain hay, relay production, quality, storage and safety from agricultural sources, describe windrows and aftermath, and distinguish hay from straw, silage, haylage and fresh pasture.

Distinguishing features Filled

  • Dried forage
  • Mowing and baling
  • Quality varies
  • Fire risk if damp

What robots and AI may and may not do Filled

Must not

  • Advise baling or stacking hay too moist, which risks spontaneous combustion.
  • Feed mouldy or dusty hay to animals.
  • Confuse hay with straw when advising on animal feed.
  • Store hay near ignition sources or block barn exits with bales.

Only with a human decision

  • Deciding to open or move a stack that is heating dangerously.

May

  • Explain how hay is made, graded and stored from agricultural sources.
  • Monitor stored hay temperature and moisture and alert the keeper to heating.

Moral aspects Filled

  • Hay fires destroy barns and kill animals; mould harms animals and people.
  • Animals depend on good fodder for their welfare through winter.

Who is affected

  • Livestock
  • Farmers and farm workers
  • Firefighters

Owners Filled

Steward

The farmer or keeper who makes or stores it.

Links to other meta-models Filled

parent

  • Q12046531 - registry parent class
  • Q190903 - registry parent class
  • Q66429760 - registry parent class

related

  • food and fodder - in registry terms
  • straw
  • silage
  • hay barrack - historically among others

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.hay
  • Wikidata: Q336989 (https://www.wikidata.org/wiki/Q336989)

Direct properties required Filled

  • safe baling moisture: about 15-20 percent - small bales
  • spontaneous combustion risk: above about 20 percent moisture note
  • common species: timothy, ryegrass, alfalfa, clover list

Recognition required Filled

  • Dried cut forage for livestock
  • Windrow, aftergrass, aftermath, bales
  • Straw is cereal stalks; silage is fermented wet forage; haylage is partly dried and wrapped; pasture is grazed fresh
  • Dried green to golden grass in bales or stacks.

Capabilities and actions required Filled

  • explain production
  • relay quality and storage
  • describe related terms
  • distinguish related feeds

Hazards and failure modes required Filled

  • Spontaneous combustion
  • Mould and dust affecting animals and people
  • Confusing hay and straw

Standards and interfaces required Filled

  • Forage quality testing standards
  • Fire safety guidance for hay storage

Context of use required Filled

  • Feeding livestock.
  • grass hay
  • legume hay such as alfalfa
  • mixed hay
  • second cut or aftermath hay
  • small and large bales

Sources Filled

  1. Wikidata item Q336989: hay - identity and sense of the item
  2. Wikipedia: Hay - general description of the item

Open questions

  • Should aftermath be a separate entry?
  • How should agricultural sources be linked?
  • The registry parent herbaceous plant confuses the product with the plant; should it be reviewed?

Machine files

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q336989/spec.json