China aims to crack down further on the cultivation of illegal genetically modified crops, following instances of the planting of unapproved strains of corn and soybeans. The agriculture ministry began a nationwide investigation last year amid media reports that farmers in the northeastern province of Heilongjiang were planting unapproved GMO varieties of soybeans. As much as 93 percent of samples from cornfields in Liaoning, another northeastern province, tested positive for GMO contamination, a survey by environmental group Greenpeace shows.
