Growth and resource utilization of perennial pigeonpea (Cajanus cajan(L) Millsp.) at the tree-crop interface

摘要

Perennial pigeonpea (Cajanus cajan(L) Millsp.) was grown as a multipurpose tree species in strips or blocks with annual crops (sorghum, sunflower and chickpea) on a shallow Vertisol from 1987 to 1989. The interaction between the perennial pigeonpea and annual crops was measured at the tree-crop interface (TCI) by comparing the plants at the interface (I) and in the middle of the block planting (N).