Pigeonpea has slow initial growth rate. This makes pigeonpea less competitive with weeds. If weeds are not controlled in time can cause up to 90% reduction in seed yield and inoculum for for pests and diseases.
Table. 1: Some of the common weeds associated with Pigeonpea
In traditional production systems, pigeonpea generally has a low plant population, less than 5 plants m2. But, 10 plants m2 gave marginally higher yields in intercrops.