YEN Zero figure

An overview of the greenhouse gas costs of cropping, including an analysis of YEN data in lead up to establishing YEN Zero.  Also includes an analysis of the relationship between nitrogen fertiliser, GHG costs, yield, GHG intensity and potential indirect land use change (ILUC) consequences.

 

Website
https://farmpep.net/sites/default/files/2022-01/How%20GHG%20emissions%20relate%…

Part funded by the Morley Foundation, this report is a foundational resource for YEN Zero.

Key points:

  • Our global population is growing, and we must grow enough to eat. But how can we best avoid associated global warming? Grow intensively, or sparingly?
  • We show how practical conclusions from alternative approaches to carbon accounting differ hugely, depending on their assumptions.
  • The inclusion of indirect land use change (ILUC) assumptions in our calculations showed carbon intensity minimised with only 4% less grain yield, and was insensitive to fertiliser N.
  • The practical application of this will come through sharing and debating the whole endeavor, facilitated by a new network: YEN-Zero.

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GHG costs of cropping

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