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PHYSIOLOGICAL RESPONSES OF MAIZE AND COWPEA TO INTERCROPPING1

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FIG. 1. Diurnal fluctuation on photosynthetic active radiation (PAR), air temperature (T), and  va-por  pressure  deficit  (VPD)  observed  above maize and intercropped cowpea.
FIG.  2. Soil matric potential obtained within the rows of maize and cowpea as sole crops and  inter-cropped (X).0.000.020.040.060.08
FIG.  4. Diurnal  fluctuation  on  leaf  water  potential, stomatal conductance, transpiration and  pho-tosynthesis of cowpea as sole crop and  inter-cropped with maize.
TABLE 1. Grain productivity of maize and cowpea in both systems and values of partial and  to-tal land equivalent ratio (LER).

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