EFFECTS OF THE RAMEAL WOOD TECHNIQUE ON SANDY SOIL GROWN IN POTATOES IN SOUF (ALGERIAN SAHARA)
Keywords:AmÃ©lioration, bois ramÃ©al fragmentÃ© (BRF), pomme de terre, sol sableux, souf.
AbstractThe main object of the present study is to investigate the effect of the fragmented ramial wood supply technique on the physicochemical characteristics of the sandy soil and the potato in the Souf region (Northen Algerian Sahara). This study was conducted at the experimental station of El Oued University during the spring season 2016. RWF intake the Lucena (Lucaena leucocephala) and olive (Olea europaea) is applied in mulch at different doses. The obtained results show that the RWF technique records highly significant effects for CE : 1,832 Âµs/cm, pH: 6,8 , K: 275,53 mg.kg-1,Â P: 90,38 mg.kg-1, Nt: 201,4 mg.kg-1, OM: 0,12% and C: 0,07%, and a significant effect for the ratio C/N: 3,46. Significant differentiations were also recorded in germination coefficient: 0.048 and germination percentage: 100%, as in leaf length: 18,5 cm and area: 24,32 cm2, which reflected on the fresh weight: 1,30 g and dry weight: 0,622g of the leaves and the relative water content: 74,93%.In conclusion, this study suggests that the RWF technique gives important and very satisfactory positive results.
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