Yield Gap Analysis: Implications for Research and Policy
Yield Gap Analysis: Implications for Research and Policy
Yield Gap Analysis: Implications for Research and Policy
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Global Average Maize <strong>Yield</strong> (kg ha -1 )<br />
7500<br />
7000<br />
6500<br />
6000<br />
5500<br />
5000<br />
4500<br />
Tyranny of constant rate of yield gain:<br />
Decreasing relative rate of gain<br />
Global Maize Grain <strong>Yield</strong> kg ha -1<br />
Relative Rate of Gain<br />
2010 2020 2030 2040 2050<br />
1.4<br />
1.3<br />
1.2<br />
1.1<br />
1.0<br />
0.9<br />
0.8<br />
Relative Rate of Gain (% average yield)
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