In the last 18 months, around 12,000 workers have come into Australia from countries such as Vanuatu and Samoa.
But how many have stayed in the jobs, they were contracted to do?
ABC Rural has been told more than 1,000 of these workers have absconded, with many poached by labour hire companies that are not licensed to do so.
What's going wrong?
Speaking to RN, Richard Shannon from Growcom said across Australia, farmers were reporting seasonal workers suddenly leaving their jobs.