This is the 14018th most frequent Russian word.
овощеводы
Vegetable growers.
Here, "овощеводы" refers to individuals or groups of people who are engaged in vegetable farming or cultivation.
Овощеводы выращивают разнообразные культуры.
Vegetable growers cultivate various crops.
In this sentence, "овощеводов" is modifying "conference," indicating that it is a conference specifically organized for vegetable growers.
На конференции овощеводов обсуждали новые методы обработки почвы.
At the vegetable growers' conference, they discussed new methods of soil treatment.
"Овощеводов" here is in the possessive form showing that the described effort or labor belongs to those practicing vegetable cultivation as their profession.