The share performance of Syngenta, a new agricultural technology company spun out of Novartis and AstraZeneca, which comes to market later this month, will be an important test.

ECONOMIST: Biotechnology

DuPont is a diversified global chemical company, supplying agricultural products (such as seeds and pesticides), high-performance materials, automotive coatings, electronic materials and key industrial chemicals to industries and consumers world-wide.

FORBES: Still A Bit More Value To Squeeze From DuPont

Basic Plastics is the largest, responsible for 22.5% of sales, followed by Performance Products (20.9%), Performance Systems (12.4%), Health and Agricultural Sciences (10.2%), Hydrocarbons and Energy (9.6%), Electronic and Specialty Chemicals (9.4%), Coatings and Infrastructure (8.9%), and Basic Chemicals (5.3%).

FORBES: Time To Take A Chance On Dow

And how do we measure performance across our kaleidoscopic portfolio comprised of hundreds of small and growing agricultural businesses producing more than a dozen different crops across more than 30 countries in Africa and Latin America?

FORBES: Goldman Sachs' Foray Into Impact Investing

In 2006, the Indian Institute of Management in Ahmedabad, India evaluated the performance of Bt cotton in India based on a survey of Bt cotton farmers and agricultural data.

FORBES: Every 30 Minutes an Indian Farmer Commits Suicide, Biotech Is Not To Blame

There will be a four-performance encore over Labor Day weekend during the Old Threshers Reunion, an annual event that celebrates the agricultural heritage of the Midwest and typically attracts 80, 000 visitors to Mount Pleasant.

WSJ: A Permanent Home for the Itinerant Life | By Joanne Kaufman