Performance of wheat varieties under Melia dubia Cav. based agroforestry system
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Date
2019
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CCSHAU
Abstract
The present investigation entitled "Performance of wheat varieties under Melia dubia Cav. based agroforestry system” was carried out at a farmer field in village Gillan Khera of district Fatehabad situated in western semi-arid part of Haryana during Rabi season of 2018-2019. The experiment was carried out to study the performance of five wheat varieties (WH 1105, WH 711, DBW 88, HD 3086 and HD 2967) under Melia dubia, growth of trees, moisture and changes in chemical properties of soil. The mean of various tree growth parameters after harvest viz. diameter at breast height (56.6 cm), tree height (16.3 m), and canopy spread (6.9 m) was recorded higher in intercropped trees instead of pure stand of Melia dubia. Plant growth parameters, yield attributes and physiological parameters like photosynthetic rate, stomatal conductance and transpiration rate were reported significantly higher in open conditions as compared to under plantation. Different growth parameters were found higher in HD-3086. Maximum grain yield was obtained in wheat variety HD-3086. Plant height at different stages of growth, number of plants per meter, spike length, biological yield, straw yield and photosynthetic rate were observed significantly higher in HD-3086. Wheat variety WH-711 was recorded with lesser growth parameters as well as yield among both the conditions. The soil pH and EC decreased more under plantation of Melia dubia plantation over control (sole wheat). An increase in soil organic carbon and available N, P and K content was also observed under Melia dubia based agroforestry system than under control. A significant increase in soil moisture content was observed while going deeper in soil depth and vice versa while going away from tree row.
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