Combined effect of soil salinity and phospho-potassium fertilization on yield of degletnour date palm (Biskra Southeast Algeria)
Paper Details
Combined effect of soil salinity and phospho-potassium fertilization on yield of degletnour date palm (Biskra Southeast Algeria)
Abstract
The objective of this study is to focus on the spatial variability of salinity at different depths of the soil of a palm grove located in Biskra in the southern east of Algeria where two sites S1, S2 of different degree of salinities , occupied by 54 date palms variety from which Deglet-Nour has been selected in order to alleviate the influence of this salinity on the production with regard to (quality and quantity ) of palms of the selected sites by the provision in appropriate doses of mineral fertilizer (potassium and phosphorus). Palms in question have been fertilized with three levels of potassium (0, 2 and 3 kg /palm) in the form potassium sulphate K2SO4 (50%) combined with three levels of phosphorus (0, 1 and 2 kg/palm) as superphosphate (TSP) the results obtained make it possible to affirm that the application of 2 kg of potassium / palm tree in an excessively salty environment and 3 kg / palm in a low or unsalted environment associated to 1 kg of phosphorus in the two different cases of salinity of the two sites S1 and S2 increases the yield and gives better results to fruit weight , length, diameter, weight of pulp and weight of the stone.
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Rim Ouamane, Yssaad Houcine Abdelhakim Reguieg, Ali Masmoudi (2018), Combined effect of soil salinity and phospho-potassium fertilization on yield of degletnour date palm (Biskra Southeast Algeria); IJB, V12, N4, April, P350-359
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