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Journal of Agricultural Economics and Social Sciences
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العصـَّار, ., رفعت, . (2013). THE ECONOMICS EFFECT FOR SOME OPERATING OF FRUIT THINNING AND BUNCH COVERING TREATMENTS ON "SEWI CV." DATE PALM Productivity in Siwa Oasis الاثر الاقتصادي لبعض معاملات الخف و التغطية للسباطات على إنتاجية أصناف البلح في واحة سيوه. Journal of Agricultural Economics and Social Sciences, 4(1), 65-81. doi: 10.21608/jaess.2013.43001
أشرف العصـَّار; عمرو رفعت. "THE ECONOMICS EFFECT FOR SOME OPERATING OF FRUIT THINNING AND BUNCH COVERING TREATMENTS ON "SEWI CV." DATE PALM Productivity in Siwa Oasis الاثر الاقتصادي لبعض معاملات الخف و التغطية للسباطات على إنتاجية أصناف البلح في واحة سيوه". Journal of Agricultural Economics and Social Sciences, 4, 1, 2013, 65-81. doi: 10.21608/jaess.2013.43001
العصـَّار, ., رفعت, . (2013). 'THE ECONOMICS EFFECT FOR SOME OPERATING OF FRUIT THINNING AND BUNCH COVERING TREATMENTS ON "SEWI CV." DATE PALM Productivity in Siwa Oasis الاثر الاقتصادي لبعض معاملات الخف و التغطية للسباطات على إنتاجية أصناف البلح في واحة سيوه', Journal of Agricultural Economics and Social Sciences, 4(1), pp. 65-81. doi: 10.21608/jaess.2013.43001
العصـَّار, ., رفعت, . THE ECONOMICS EFFECT FOR SOME OPERATING OF FRUIT THINNING AND BUNCH COVERING TREATMENTS ON "SEWI CV." DATE PALM Productivity in Siwa Oasis الاثر الاقتصادي لبعض معاملات الخف و التغطية للسباطات على إنتاجية أصناف البلح في واحة سيوه. Journal of Agricultural Economics and Social Sciences, 2013; 4(1): 65-81. doi: 10.21608/jaess.2013.43001

THE ECONOMICS EFFECT FOR SOME OPERATING OF FRUIT THINNING AND BUNCH COVERING TREATMENTS ON "SEWI CV." DATE PALM Productivity in Siwa Oasis الاثر الاقتصادي لبعض معاملات الخف و التغطية للسباطات على إنتاجية أصناف البلح في واحة سيوه

Article 4, Volume 4, Issue 1, January 2013, Page 65-81  XML PDF (253.13 K)
Document Type: Original Article
DOI: 10.21608/jaess.2013.43001
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Authors
أشرف العصـَّار1; عمرو رفعت2
1قسم بحوث الفاکهة الاستوائية ونخيل البلح, معهد بحوث البساتين, مرکز البحوث الزراعية, الجيزة, مصر.
2قسم بحوث الدراسات الاقتصادية, مرکز بحوث الصحراء, القاهرة, مصر
Abstract
This study had conducted during 2010 and 2011 seasons on “Sewi” date palm cultivar grown in a private orchard located in Siwa Oasis, Matrouh governorate, Egypt to study the effect of operating the bunch thinning and bunch covering factors in the horticultural and economic views. Bunch thinning treatments (without, 20% bunch thinning and 40% bunch thinning) were done after "Hababouk" stage and bunch covering treatments (without, 40% black thyran and 60% black thyran) were done at the end of "Kimri" stage until "Khalal' stage for two months. Bunch weight, fruit weight and fruit quality criteria, statistically have a positive response to both experimental factors either alone or in their interaction treatments in addition to decreasing the spoiled fruits. Although, the palm yield was decreased with thinning, but it increased with covering. The heaviest palm yield was related with non-thinning level (0% bunch thinning), while (40 % black thyran) treatment leads to the highest palm yield at the two study seasons. Applying the experimental treatments had canceled the alternate bearing phenomena and causes the balanced palm yield (arranging bearing) at the two seasons of study. Economic study indicated that (20% bunch thinning + 40% black thyran) experimental treatment attained the highest values of both total revenue per feddan (pounds/ feddan), net revenue per feddan (pounds/ feddan), earns to costs (%), net revenue to costs (%), high seal price at harvest time and return on invested (%), then highest net income (pounds/ feddan) because of increasing the fruit quality and early harvest of the crop (17 days) which leads to the best revenue value. It could be concluded that the treatment (20% bunch thinning at "Hababouk" satge + bunch covering with 40% black thyran bags at late "Kimri" until "Khalal" stage for two months) is recommended to improve the "Sewi" fruit quality traits and raising the net income  which reflect positively on date palm farmers in Siwa Oasis.
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