It found "little good evidence" large increases in temporary workers have boosted long-term productivity for the horticulture sector.
Sunny days over the past few months combined with rain in January has led to a bumper crop.
Proposed new rules could lead to more bureaucracy and costs for the sector, writes Derek Broadmore of Organics Aotearoa New Zealand.
The company wants to take over OPAC.
"It's very disappointing for growers when we've got a fantastic crop on the trees."
Researchers found having more native plants near crops could attract insects that help with pollination and combat some harmful pests.
The company's plan for dealing with Chinese growers who are illegally growing its New Zealand-bred fruit will be put to a vote.
The corporate fruit and vegetable firm T&G Global is asking its office-based staff to help out in apple packhouses.
Feijoas are expected to hit the shelves this week.
