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Effect of some agricultural residues on the characteristics of growth and yield of the onion bulb (Allium cepa L)
(University of eloued جامعة الوادي, 2019-04-15) Ghemam Amara, Djilani; Rebiai, Abdelkrim; Alia, Zaid; Djihad, Saoud; Kherraz, Khaled; Mesbahi, Mohammed Adel; Chemsa, Ahmed Elkhalifa; Senoussi, Mohammad Mourad
the study was conducted at the primary school farm in Rabbah zone during in 2016/2017 season, To evaluate the contribution of fram residues (palm residues, Peanut Peels, cooked tea leaves) in vegetative growth and the bulb onion in addition to the total yield of onion plant. An investigation was a randomized complete block design in three replications. The obtained results of experiment showed that: - Application of fertilize by cooked tea leaves were significantly better in of the studied characters (plants height and Leaves Area) with rate increased to 47.15% and 93.4% respectively, than control treatment. Followed by T1 and then T3. - Peanut Peels treatment gave the largest number of tubular blades in the plant(12.33), the diameter of the bulb neck(13.48mm) and bulb Length(7.35cm) than other treatments. Followed by T2 and then T3. -cooked tea leaves plants gave highest diameter of bulb(5.42cm), highest bulb weight(66g) and yield(20.85 t/ha) in the season. where Achieving with T1(18.35t/ha) significantly increase in the yield total in comparison with other treatments.