{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://agstack.org/schemas/FertilizationOperation.json",
  "title": "FertilizationOperation",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "format": "uuid",
      "readOnly": true
    },
    "activityType": {
      "type": "string",
      "format": "uuid"
    },
    "title": {
      "type": "string",
      "maxLength": 200
    },
    "details": {
      "type": "string",
      "nullable": true
    },
    "hasStartDatetime": {
      "type": "string",
      "format": "date-time"
    },
    "hasEndDatetime": {
      "type": "string",
      "format": "date-time",
      "nullable": true
    },
    "responsibleAgent": {
      "type": "string",
      "nullable": true
    },
    "usesAgriculturalMachinery": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uuid"
      }
    },
    "hasAppliedAmount": {
      "$ref": "#/components/schemas/AppliedAmmountField"
    },
    "hasApplicationMethod": {
      "type": "string",
      "nullable": true
    },
    "usesFertilizer": {
      "type": "string",
      "format": "uuid",
      "nullable": true
    },
    "operatedOn": {
      "type": "string",
      "format": "uuid"
    }
  },
  "required": [
    "activityType",
    "hasApplicationMethod",
    "hasAppliedAmount",
    "hasStartDatetime",
    "id",
    "operatedOn",
    "usesAgriculturalMachinery",
    "usesFertilizer"
  ]
}