THE PRODUCTIVITY OF GARLIC PLANT (Allium sativum, L.) AS AFFECTED BY PLANT DENSITIES AND NPK APPLICATION
El-Shal, Z., Radwa, E., Zaki, M., Rizk, F. (2011). THE PRODUCTIVITY OF GARLIC PLANT (Allium sativum, L.) AS AFFECTED BY PLANT DENSITIES AND NPK APPLICATION. EKB Journal Management System, 2(7), 865-875. doi: 10.21608/jpp.2011.85621
Z. S. El-Shal; E. A. Radwa; M. F. Zaki; Fatma A. Rizk. "THE PRODUCTIVITY OF GARLIC PLANT (Allium sativum, L.) AS AFFECTED BY PLANT DENSITIES AND NPK APPLICATION". EKB Journal Management System, 2, 7, 2011, 865-875. doi: 10.21608/jpp.2011.85621
El-Shal, Z., Radwa, E., Zaki, M., Rizk, F. (2011). 'THE PRODUCTIVITY OF GARLIC PLANT (Allium sativum, L.) AS AFFECTED BY PLANT DENSITIES AND NPK APPLICATION', EKB Journal Management System, 2(7), pp. 865-875. doi: 10.21608/jpp.2011.85621
El-Shal, Z., Radwa, E., Zaki, M., Rizk, F. THE PRODUCTIVITY OF GARLIC PLANT (Allium sativum, L.) AS AFFECTED BY PLANT DENSITIES AND NPK APPLICATION. EKB Journal Management System, 2011; 2(7): 865-875. doi: 10.21608/jpp.2011.85621

THE PRODUCTIVITY OF GARLIC PLANT (Allium sativum, L.) AS AFFECTED BY PLANT DENSITIES AND NPK APPLICATION

Journal of Plant Production
Article 2, Volume 2, Issue 7, July 2011, Page 865-875  XML PDF (417.85 K)
Document Type: Original Article
DOI: 10.21608/jpp.2011.85621
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Authors
Z. S. El-Shal1; E. A. Radwa1; M. F. Zaki2; Fatma A. Rizk2
1Vegetable Research Dept., Horticulture Research Institute, Agriculture Research Centre, Giza, Egypt.
2Vegetable Dept. National Research Centre, Dokki, Cairo, Egypt.
Abstract
Two field experiments were carried out during the two successive seasons of 2008/2009 and 2009/2010 at the horticulture experimental station of the Egyptian agricultural Ministry at Baramon Experimental Farm, Dakahlia Governorate, Egypt. The aim of these experiments were to study the effect of 3 plant densities (one, two and/or three lines/ridges) and 3 NPK fertilizer rates (control, 90 : 90 : 90 and 120 : 120: 120 units/fed., respectively on garlic plant growth characters, head yield and its some physical properties as well as the chemical constituents of garlic cloves.
The important obtained results could be summarized as following:
-    Close spacing gained the shortest plant height, which carried the less leaves number and less fresh and dry weight of whole garlic plant and its different organs. On the contrary, the heaviest total garlic yield as tons/fed., with the lowest bulb diameter and lowest values of protein, N, P, K, Fe, Mn, Zn and Cu, all of them recorded with close plant densities (3 lines / ridge).
-     Increasing NPK rate for garlic growing resulted the vigor plant growth, the heaviest tonnage yield per fed., the highest garlic head and the highest nutritional values if compared with the lowest NPK rates.
-    Growing garlic plants at wide plant density, and applying the higher NPK rate resulted the most vigor plant growth character. The heaviest garlic yield gained
with close plant spacing and applying the highest NPK rate, but the lowest nutritional elements vales recorded with close plant spacing (3 lines / ridge) and no NPK addition.
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