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Miniature of Measuring the Relative Importance of Different Agricultural Inputs to Global and Regional Crop Yield Growth Since 1975
Measuring the Relative Importance of Different Agricultural Inputs to Global and Regional Crop Yield Growth Since 1975

Date: 2016-09-01

Creator: Erik Nelson, Clare Bates Congdon

Access: Open access

We identify the agricultural inputs that drove the growth in global and regional crop yields from 1975 to the mid-2000s. We find that improvements in agricultural technology, increased fertilizer use, and changes in crop mix around the world explained most of the gain in global crop yields, although impacts varied across the latitude gradient. Climate change over this time period caused yields to be only slightly lower than they would have been otherwise. In some cases cropland extensification had as much of a negative impact on global and regional yields as climate change. To maintain the momentum in yield growth across the globe 1) use of agricultural chemicals and investment in agricultural technology in the tropics must increase rapidly and 2) international trade in agricultural products must expand significantly.
Miniature of Cultivating Community: Coastal Collaborations for Equitable Climate Survival and Adaptation in Rockland, Maine
Cultivating Community: Coastal Collaborations for Equitable Climate Survival and Adaptation in Rockland, Maine
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      Date: 2021-01-01

      Creator: Lily Andra McVetty

      Access: Access restricted to the Bowdoin Community