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EFFECT OF DIFFERENT DISTANCES AND ORIENTATIONS ON GROWTH AND YIELD PERFORMANCE OF MUSTARD GROWN AS UNDERSTOREY CROP WITH AKASHMONI TREE (Pages : 12 - 17)

M. A. HOSSAIN, K.M. KHALEQUZZAMAN, M.K. ALAM, M.R. ISLAM, AND G.M.M. RAHMAN

The experiment was conducted at Agroforestry Farm of Bangladesh Agricultural University, Mymensingh during November 2004-March 2005 to evaluate the effect of different distances and orientations on growth and yield of mustard under Akashmoni tree. The highest grain yield was observed in 3 m away from the base of tree. Compared to open field, the dry seed yield of mustard in different distances i.e. 3m, 2m and 1m away from the tree base of Akashmoni were 2.13, 1.75 and 1.53 t/ha, respectively. The lowest grain yield was obtained from the ON - orientation and it was gradually increased in OE, OW, OS and open field (OO). Orientation also showed the significant effect on plant height, number of branch plant-1, root weight plant-1, shoot weight plant-1, number of siliqua plant-1, length of siliqua (cm), number of seeds siliqua-1, fresh yield, dry yield and 1000 seed weight. Compared to open field, the dry seed yield of mustard under Akashmoni tree in different orientations i.e. south, west, east and north were 2.07, 1.59, 1.34 and 0.98 t/ha, respectively. It can be concluded that near the base of tree obtained lowest yield of mustard due to shading and nutrient competition and gradually increased 1, 2 and 3 m away from the base of Akashmoni tree. Although the open field produced maximum yield, but combined production system may become beneficial for the farmers from sustainable point of view.Download


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