EFFECT OF ORGANIC NITROGEN FERTILIZATION ON GROWTH, NUTRIENT STATUS AND FRUITING OF ROUMI RED GRAPEVINES
M. Al-Wasfy, M., A. Abd-El-Galil, H., M. A. AlMasry, S. (2006). EFFECT OF ORGANIC NITROGEN FERTILIZATION ON GROWTH, NUTRIENT STATUS AND FRUITING OF ROUMI RED GRAPEVINES. EKB Journal Management System, 37(1), 161-173. doi: 10.21608/ajas.2006.273951
Moamen M. Al-Wasfy; Hassan A. Abd-El-Galil; Salah M. A. AlMasry. "EFFECT OF ORGANIC NITROGEN FERTILIZATION ON GROWTH, NUTRIENT STATUS AND FRUITING OF ROUMI RED GRAPEVINES". EKB Journal Management System, 37, 1, 2006, 161-173. doi: 10.21608/ajas.2006.273951
M. Al-Wasfy, M., A. Abd-El-Galil, H., M. A. AlMasry, S. (2006). 'EFFECT OF ORGANIC NITROGEN FERTILIZATION ON GROWTH, NUTRIENT STATUS AND FRUITING OF ROUMI RED GRAPEVINES', EKB Journal Management System, 37(1), pp. 161-173. doi: 10.21608/ajas.2006.273951
M. Al-Wasfy, M., A. Abd-El-Galil, H., M. A. AlMasry, S. EFFECT OF ORGANIC NITROGEN FERTILIZATION ON GROWTH, NUTRIENT STATUS AND FRUITING OF ROUMI RED GRAPEVINES. EKB Journal Management System, 2006; 37(1): 161-173. doi: 10.21608/ajas.2006.273951

EFFECT OF ORGANIC NITROGEN FERTILIZATION ON GROWTH, NUTRIENT STATUS AND FRUITING OF ROUMI RED GRAPEVINES

Assiut Journal of Agricultural Sciences
Article 8, Volume 37, Issue 1, March 2006, Page 161-173  XML PDF (547.01 K)
Document Type: Original Article
DOI: 10.21608/ajas.2006.273951
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Authors
Moamen M. Al-Wasfy1; Hassan A. Abd-El-Galil2; Salah M. A. AlMasry3
1Dept. of Horticulture, Fac. of Agric, South Valley University, Qena, Egypt
2Dept. of Horticulture, Fac. of Agric, Assiut University, Assiut, Egypt
3Dept. of Horticulture, Fac. of Agric., Al-Azhar Univ., Assiut, Egypt
Abstract
The effect of organic manures on growth, nutrient status and fruiting of Roumi Red grapevines was studied during 2004 and 2005 seasons. The study was carried out at the experimental orchard of Qena Agriculture Faculty, South Valley University, Egypt. Two organic manures namely, filter mud cake and  chicken manure were used either alone or combined with an inorganic source of nitrogen (N). Organic manures were applied at 0.0, 50, 75 and 100% of the recommended dose of the inorganic N fertilization (80g/vine/year).
It is evident from the obtained results that applying organic N either alone or in combination with the inorganic form was very effective in improving growth, yield, leaf nutrient composition and berry quality of vines, compared to the complete application of N as an inorganic form. The increment was associated with increasing the amount of each organic manure. Organic N fertilization alone was superior to inorganic one in this respect.
The obtained results also showed that applying 75 or 100% of the N requirements for Roumi Red grapevines in an organic form was very useful in improving yield and fruit quality. In addition , it decreases the environment at pollution problems.
Keywords
organic nitrogen; growth; nutrient status; fruiting; grapevines
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