Extended Data Figure 1 : Distribution of field trials for maize, rice and wheat systems from 2005 to 2015 in China.

From: Pursuing sustainable productivity with millions of smallholder farmers

Extended Data Figure 1

The four coloured regions represent different agroecological zones for maize, rice and wheat. Numbers in brackets are site years. Dots denote individual sites. The Chinese map was obtained from the Resource and Environment Data Cloud Platform (http://www.resdc.cn/data.aspx?DATAID=202).