Growth and yield performance of green gram under Melia composita Plantations
2018
Green gram or Mungdal (Vigna radiata L.) is an important pulse crop and Melia composita (Malabar Neem or Nimabaro) is an emerging industrial agroforestry plantation in southern Gujarat. To maximize the land utilization an agroforestry trial was laid to investigate the performance of okra varieties under different spatial arrangements of 2 year old Melia composita plantation with three spacing of S1 (2 x 2m), S2 (2x 3 m) and S3 (2x 4 m) while S0 as open field at College of Forestry (ACHF), Navsari Agricultural University, Navsari, Gujarat, India, during winter season of 2015-16 and 2016-17. Green gram crop (GV1- Meha and GV2- GM-4) were intercropped with M. composita reported lower growth parameters as well lower yield as compared to open condition. The results of pooled analysis of two years shown that treatment T2-S0 GV2 recorded maximum plant height -48.23cm, number of branches per plants- 3.62, number of leaves- 247.42 number of flower per plant -34.04, average number of pod per plant- 21.31, seed yield per plant- 4.94g and per hectare- 0.81 tonnes in open condition. Similarly in intercropping the growth and yield attributes of Okra were minimum height -36.12 cm, number of branches per plants- 2.59, number of leaves- 110.57 number of flower per plant -19.13, average number of pod per plant- 15.08, seed yield per plant- 3.55g and per hectare- 0.58 tonnes were reported in T4 (S1 GV2) i.e. in 2x 2 closer spacing while under wider spacing of S2 and S3 Green gram responded significantly better respectively. Hence wider spacing of S3 (2 x 4 m) can be suggested for intercropping under M. composita plantations in initial 2-4 years.
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