Mohammed Ould Safi, Réda Kechairi, M. Khersi, Said Boudffeur, Slimane A.B. Ayada, Abdelkrim Bahidi, A. Nani, A. AMEUR AMEUR
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Argan tree cultivation in Algerian desert Sahara (case of Adrar Province)
ABSTRACT The morphological characteristics of the Argan tree Argania spinosa (L.) Skeels planted in the Adrar province (Sahara Desert, Algeria) in 2010 on 0.7 hectares at the Forest Experiment Station show good domestication ability. After 12 years, the recorded success rate was 20.56%. Principal Correspondence Analysis of morphological variables demonstrated five groups of 23 subjects of Argan trees. Two more sites were planted in 2016 and 2018. Success rates of 80% and 42%, respectively, have been recorded in 2021. The oil production from almonds of Argan seeds is good, showing oil recovery efficiencies of 38.27% for mechanical pressing and 59.27% for Soxhlet-assisted hexane extraction.
期刊介绍:
For more than 45 years, the International Journal of Environmental Studies has been pre-eminent in its field. The environment is understood to comprise the natural and the man-made, and their interactions; including such matters as pollution, health effects, analytical methods, political approaches, social impacts etc. Papers favouring an interdisciplinary approach are preferred, because the evidence of more than 45 years appears to be that many intellectual tools and many causes and effects are at issue in any environmental problem - and its solution. This does not mean that a single focus or a narrow view is unwelcome; provided always that the evidence is indicated and the method is robust. Pragmatic decision-making and applicable policies are subjects of interest, together with the problems in establishing facts about dynamic systems where long periods of observation and precise measurement may be difficult to secure. In other words, a systems or holistic approach to the environment and a scientific analysis are complementary, and the distinction between ’hard’ and ’soft’ science is bridged in most of the papers published. These may be on any item in the agenda of environmental science: land, water, food, conservation, population, risk analysis, energy, economics of ecological and non-ecological approaches, social advocacy of arguments for change, legal measures, implications of urbanism, energy choices, waste disposal, recycling, transport systems and other issues of mass society. There is concern also for marginal areas, under-developed societies, minorities, species loss; and indeed no element of the subject of environmental studies, seen in an international and interactive mode, is excluded.