Performance of wheat cultivars under different spacing of poplar (Populus deltoides Bartr. Ex Marsh.) based agroforestry system in semi-arid ecosystem of Northern India
2021
Kumar, Parvinder | Sirohi, Chhavi | Kumari, Sushil | Dhillon, R.S. | Redhu, Ishu
The experiment was conducted to evaluate the performance of three wheat varieties under differentspacing geometry (3×3, 4×3, 5×3, 6×3, 7×3 and 8×3 m) of already established two-years old poplarplantation during 2019–20. Growth of poplar was found significantly higher in 3×3 m spacing. Growthand yield attributing parameters of wheat varieties (WH-1105, HD-2967 and WH-711) were reducedsignificantly under different spacing geometry of poplar plantation in comparison to sole crop. Themaximum grain yield (4.68 t/ha) was recorded in variety HD-2967, followed by WH-711 (4.25 t/ha) inwider spacing (8×3 m) of poplar. On an average, the highest per cent reduction in grain and straw yieldover control was recorded in variety WH-1105 (23.9 and 18.2%), followed by WH-711 (16.02 and 17.01%)and HD-2967 (10.7 and 11.69%) under 3×3 m spacing. The rate of decrease in straw yield wascomparatively lower than grain yield under different spacing of poplar. The overall reduction in grainand straw yield was more under 3×3 m.
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