"agricultures de subsistance" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "agriculture de subsistance",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Robert Badouin, Économie rurale, Armand Colin, Paris, 1971, page 22",
          "text": "Bien que n’étant pas soucieuses de réaliser des performances économiques, les agricultures de subsistance n’ignorent pas les principes de l’économie."
        }
      ],
      "form_of": [
        {
          "word": "agriculture de subsistance"
        }
      ],
      "glosses": [
        "Pluriel de agriculture de subsistance."
      ],
      "id": "fr-agricultures_de_subsistance-fr-noun-XWm4-hYS"
    }
  ],
  "sounds": [
    {
      "ipa": "\\a.ɡʁi.kyl.tyʁ de syb.zis.tɑ̃s\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "agricultures de subsistance"
}

{
  "categories": [
    "Formes de locutions nominales en français",
    "français"
  ],
  "forms": [
    {
      "form": "agriculture de subsistance",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de locution nominale",
  "senses": [
    {
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "ref": "Robert Badouin, Économie rurale, Armand Colin, Paris, 1971, page 22",
          "text": "Bien que n’étant pas soucieuses de réaliser des performances économiques, les agricultures de subsistance n’ignorent pas les principes de l’économie."
        }
      ],
      "form_of": [
        {
          "word": "agriculture de subsistance"
        }
      ],
      "glosses": [
        "Pluriel de agriculture de subsistance."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\a.ɡʁi.kyl.tyʁ de syb.zis.tɑ̃s\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "agricultures de subsistance"
}