Levi Mansur, general manager of Mansur Agricultural Services. MAS is a chilean company organized to assist Northern Hemisphere breeders release new varieties of soybean, corn, and dry beans.

Plant breeding services

Custom research

Seed production

Winter nursery services


Winter nursery and plant breeding services.



Our clients have included prominent universities and companies:

  • Syngenta Biotechnology, Inc

  • Stein Seed Company

  • ADM

  • Dairyland Seed Company

  • Hyland Seeds

  • Coopérative Fédérée du Québec

  • Targeted Growth Inc

  • Gangwondo Agricultural Research and Extension Services, Korea

  • Michael Fields Institute

  • University of Nebraska

  • University of Illinois

  • University of Guelph

  • University of Kansas

  • North Dakota State University

  • South Dakota State University

  • Michigan State University



Winter nursery - Off-season plant breeding services
We offer plant breeding and commercial seed production for conventional, specialty, and transgenic corn
Seed production: corn, soybeans, drybeans and other crops.
Our winter nursery in Los Andes, Chile.
Winter nursery services