While many regions are actively experimenting with GMOs at a small scale, the highly concentrated cultivation of GM crops in a few countries (nearly three-fourths in only the US and Argentina, with 90% in the four countries including Brazil and Canada) is also interpreted as an indication of a modest uptake rate. GM crop cultivation may have increased by double digit rates for the past 10 years, but over 93% of cultivated land still supports conventional cropping.
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From collection: IAASTD - International assessment of agricultural science and technology for development
IAASTD/Ketill Berger, UNEP/GRID-Arendal