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Articles by F. Bahlouli
Total Records ( 3 ) for F. Bahlouli
  F. Bahlouli , A. Amroune , S. Tellache , A. Tiaiba , A. Zedam and A. Slamani
  Algeria is vast country which presents several bioclimatic stages and agro-ecological which supports the production, a multitude of agricultural produce. The steppe forms integral part of this extent of which importance is hardly lower than the other areas. Hodna is in the middle of the Algerian steppe, it is a relatively degraded basin of 25000 km2, consequence of a prolonged dryness and an overgrazing. This study is devoted to the diagnosis of the current location of the perimeter of the plain of M’sila which is in the Western Northern zone of the basin of Hodna on a geographical area of a surface of 780 km2. The population is dense in North with the existence of an urban centre and a relatively populated rural area in the South, the population is less dense with relatively distant urban centers. The plain of M’sila receives an annual rain average of 213.20 mm, the rains of Autumn are sometimes torrential which gives birth to abrupt risings and devastators. The thermal amplitude of the station of M’sila is of 35.02°C. The dominant winds are the wind of West known as Dahraoui, wind of North known as Bahri and the Sirocco which is hot wind and blowing dryness of the South and which blocks the development of the cultures by accentuating their drying. The diagram ombrothermic allows to identify existence; only one period of 3 months dryness, the end of May at the end of August. The zone study is made up an alluvial plain of low altitudes, <400 m made of alluvial deposits of quaternary (alluvia, clays and sands) with a soft slope <3%, pertaining to steppe bioclimatic stage. The ground is not very advanced of alluvial contribution with limono-argillaceous texture rather deep. Occupation of the ground by the vegetation is diversified, one noted a broad diversity of the agricultural activity which settled current the last years which exceeds 54,700 ha, the fallow exceed half of agricultural surfaces during the agricultural partner 2009/2010, the cultivation of cereals which occupies 36% of the grounds followed by the fodder cultures and fruit-bearing arboriculture at a rate of 5 and 4%, respectively. The exploration of the not cultivated plant species of the area study, counts 550 tax relating to the steppe communities with Chott El Hodna. One finds there many species endemic with the area of Hodna such as Saccocalyx saturoides, Arnebia decumbens and Linaria laxiflora that one finds only in this area. As well as endemic species North African such as Muricaria prostrata, Loncophora capiomontiana, Rhanterium suaveolens, Stippa tenacissima L., Artimisia herba alba, Anabasis oropediorum L., Salsola vermiculata L., Atriplex halimus and Salicornia arabica L. The zone of study, like the majority of the steppe zones is with vocation agropastorale with manpower of the ovine breeding bordering the 130.000. The zone study belongs to the large catchment area of Chott El Hodna, characterized by a very dense hydrographic network where the rivers take their sources in the mounts of Hodna, the principal river is El-K’sob. The near total of water of the plain of M’sila has a temperature which varies between 21.5 and 22°C, this translated by a strong corrosion of the casing of the drillings. The majority of water of this plain have a strong conductivity, therefore a degree of raised mineralization in the event of irrigation with this salt water charged one can expect falls of outputs.
  F. Bahlouli , H. Bouzerzour , A. Benmahammed and K.L. Hassous
  An experiment was conducted, during the successive cropping seasons 1997/98 to 2002/03, to study grain yield performances and yield stability of 10 durum wheat ( Triticum durum Desf.) varieties in order to identify the productive, stable and risk efficient genotypes for a subsistence agriculture. Grain yield analysis showed high seasons and season x genotype interaction effects reducing the genotypic main effect. Regression coefficients, variance across seasons and safety-first indices based on these parameters classified differently the tested genotypes for stability and risks of giving a low yield under stress. FW index was correlated with grain yield, regression coefficient and the mean square of the contribution of the test cultivar to GxS interaction. The EV index did not show a significant correlation with the measured variables. It was possible within the set of genotypes tested to select high yielding and risk efficient cultivars compared to the check cultivar Mohammed Ben Bachir.
  F. Bahlouli and H. Bouzerzour
  The year effect is significant in semi-arid climate what explains the fluctuation of the conditions of one year growth to another. The yield grain is associated a great quantity of assimilates stored and transferred from the stems for the filling of the grains, the MBB genotype which has an important height of the stem transfers more assimilates. The present study was led on the experimental site of station ITGC of Setif. The objective is to determine the differences of duration and speed of filling and the contribution of the assimilates of the stems to the yield of 5 durum wheat genotypes (Triticum durum Desf.). The genotypes Ads497 and Deraa present sheets standard of great dimension. The beginning of the active phase of the filling of the grain corresponds to the beginning of the foliar senescence. MBB presents rhythm of dry out foliar slower, the speed of dry out stationary recorded by Ads497 is of -0.5957 cm2 day-1. The speed of filling of the grains is negatively related to the duration of filling. The participation of the assimilates coming from the stem is less and less that the medium allows the expression of a better yield in grain.
 
 
 
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