Soil analysis before the start of the trial indicated that the soil was sandy-loam at Kumayili and sandy at Tingoli
(TableI).Generally,theKumayiliSerieshadhighersoilfertilitystatusthantheTingoliSeries,thoughthetwosoils
are generally considered to be poor (Table I). Without external input these soils would not be able to sustain
meaningful maize cultivation.
Pigeon Pea Grain Yield and Nitrogen Yield from Pruned Biomass1
Pigeon pea grain yield ranged between 615 and 687kgha in the first harvest (1997) and between 527 and1
573kgha inthesecond(1998).Pruningdidnotsignificantlyinfluencedthepigeonpeagrainyield. However,in1
the second year therewas areduction in grainyield (Table II). Pigeon pea biomassyield was 26 and 25tha at
Kumayili and Tingoli, respectively and both had a nitrogen concentration of 123percent. This amounted to a1
nitrogen yield of 32 and 308kgNha at Kumayili and Tingoli, respectively.