Question

In an intercropping trial, sole-crop maize yields 4000 kg/ha while intercropped maize (with cowpea) yields 3000 kg/ha; sole-crop cowpea yields 1000 kg/ha while intercropped cowpea yields 500 kg/ha. Calculate the Land Equivalent Ratio (LE

  • R for this intercropping system and determine whether it is agronomically advantageous.
A LER = 0.75, disadvantageous
B LER = 0.95, disadvantageous
C LER = 1.0, no advantage
D LER = 1.25, advantageous
E LER = 1.5, highly advantageous
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