Effect of pruning intensity on growth and productivity of MPTs and crop under rainfed conditions.

摘要

A field experiment was conducted under rainfed conditions of Jhansi, Uttar Pradesh, India, to determine the pruning intensity and its effect on the growth performance of tree species (Hardwickia binata, Anogeissus pendula [A. acuminata] and A. latifolia), and yield of black gram. The pruning was initiated for the first time after 8 years of establishment of the tree species. There were four pruning treatments (10, 25, 50 and 75%) with 10% pruning as control. Black gram was used as intercrop during the kharif season. H. binata exhibited highest values for tree height. The photosynthetically active radiation (PAR) differed significantly in all the treatments and maximum values were recorded for 75% pruning treatment and minimum for 10% pruning. The pruning intensity has no significant effect on the taper of the tree. Crop data revealed that maximum grain (141.80 kg/ha) and straw yield (233.20 kg/ha) yield were recorded with H. binata at 75% pruning intensity. No adverse effect was observed even 75% pruning on tree growth while intercrop yield was maximum.