grass

Grass identification evidence

Require observable identification evidence and allow unresolved grass-like plants to remain provisional.

1. Which leaf, sheath, node or reproductive features support identifying this vegetation as grass rather than a sedge, rush or other narrow-leaved plant? definition
2. Who or what identified the grass, when, and from which specimen, photograph or identification resource? provenance

Observation unit and composition

Attach observations to an explicit plant, patch, stand or cut-material unit without implying that the unit contains one species.

1. Does this record describe an individual grass plant, a bounded stand or cut herbage, and how is that unit delimited? boundary
2. Which identified grasses, other plants and unresolved components occur within the unit, and how was their contribution estimated? measurement

Growth stage and seasonal activity

Record active growth, reproduction, dormancy and senescence separately from simple greenness.

1. What proportion of the grass is establishing, vegetative, flowering, seed-bearing, dormant or senescent at the observation date? measurement
2. What species-specific and local seasonal evidence is needed to distinguish dormancy from decline or death? definition

Removal and recovery record

Pair the amount and timing of herbage removal with observed regrowth and surviving cover.

1. When was grass last mown, grazed or cut, and what residual height and cover remained? provenance
2. What measured regrowth and locally justified recovery criterion support another removal or a longer rest? action

Growing condition evidence

Capture moisture, soil and exposure observations relevant to the grasses present.

1. What root-zone moisture, drainage, soil condition and light exposure were measured or observed in the grass patch? measurement
2. Which site observations justify testing a watering, drainage, soil or shade explanation for the observed grass condition? action

Grass damage pattern

Describe the extent and spatial pattern of grass damage and distinguish symptoms from diagnosed causes.

1. How much grass cover is thinning, discoloured, wilted, uprooted or otherwise damaged, and where are the affected patches? measurement
2. What additional evidence is needed before attributing that pattern to trampling, cutting, water stress, pests or disease? boundary

Lawn service condition

Judge lawn grass using explicit expectations for cover, height, appearance and use-related wear.

1. What lawn function is intended, and which cover, height and wear criteria define acceptable grass condition for it? definition
2. Do current grass cover and recovery observations support mowing, reseeding, continued access or temporary rest? action

Available and suitable herbage

Keep biomass estimates separate from feed suitability and link the latter to relevant analyses and intended animals.

1. How much standing dry matter is available above the proposed residual cutting or grazing height, and how was it sampled? measurement
2. What composition, forage-analysis and contamination evidence is available to assess this grass for the intended grazing animals or hay use? provenance

Grass management decision

Record why a particular intervention is appropriate for the stand, its intended use and its current growth conditions.

1. Which observed grass condition supports mowing, grazing, resting, watering or reseeding, and what species or site constraints govern the choice? action
2. Which changes in height, cover, biomass or damage will be checked, and when, to evaluate the intervention? measurement

Harvest origin and material state

Retain the source stand and cutting event while distinguishing freshly cut grass from material subsequently assessed as hay.

1. From which grass stand and cutting event did this harvested herbage originate? provenance
2. At what documented material state does the record transfer to the hay model, and which drying or storage questions remain with that model? boundary

Check these first

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these check these first hold for the sense of grass this model covers, and on what evidence? provenance

Kinds and varieties

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these kinds and varieties hold for the sense of grass this model covers, and on what evidence? provenance

Identifiers and schemes

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these identifiers and schemes hold for the sense of grass this model covers, and on what evidence? provenance

Standards and regulation

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these standards and regulation hold for the sense of grass this model covers, and on what evidence? provenance

Real-world use

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these real-world use hold for the sense of grass this model covers, and on what evidence? provenance

Typical measurements

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these typical measurements hold for the sense of grass this model covers, and on what evidence? provenance

Failure modes and hazards

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these failure modes and hazards hold for the sense of grass this model covers, and on what evidence? provenance

Regional variation

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these regional variation hold for the sense of grass this model covers, and on what evidence? provenance

Neighbouring kinds and how to tell them apart

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these neighbouring kinds and how to tell them apart hold for the sense of grass this model covers, and on what evidence? provenance