RESPONSE OF GARLIC PLANTS GROWN IN SANDY SOILS TO ORGANIC AND INORGANIC FERTILIZERS | ||||
| Journal of Plant Production | ||||
| Article 13, Volume 30, Issue 11, November 2005, Page 6687-6700 PDF (4.82 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2005.237752 | ||||
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| Authors | ||||
| Sabah M. A. EI-Gamal; A. H. Selim | ||||
| Agric Botany Dept., Faculty of Agric., Minufiy_a Univ., Shibin EI-Kom, Egypt. | ||||
| Abstract | ||||
| Two pot experiments were carried out at the Experimental Farm, Faculty of Agriculture, Minufiya University during 2003/2004 and 2004/2005 seasons, to study the effect of humic acid and/or pigeon manure and NPK fertilizers alone and their combinations on the growth and chemical composition as well as yield and its quality of two garlic cultivars (Chinese and Balady cultivars) grown in sandy soils. The obtained results indicated that, significant increases in plant height, root system length, number of leaves/plant, length and diameter of neck, length and width of the s" leaf as well as the fresh and dry weights of whole plant when they supplied with humic acid and/or pigeon manure combined with 1/2 and 1 NPK compared with organic manures or NPK treatments alone. Also, the same treatments gave higher concentrations of photosynthetic pigments, total carbohydrates, N, P and K in leaves and bulb, as well as higher yield ton/fed and a greater diameter of bulb as compared with the other treatments. The best vegetative growth and the highest total yield (ton/fed) were obtained when plants treated by pigeon manure or humic acid with 1 NPK or 1/2 NPK. The respective increase in diameter of neck and width of the s" leaf, fresh and dry weight of whole plant, total yield as well as bulb diameter were higher in Chinese cultivar, whereas the N,P, and K concentrations in leaves and bulb were greater in Balady cultivar. The highest yield was obtained by Chinese cultivar treated with pigeon manure with 1 or 1/2 NPK. | ||||
| Keywords | ||||
| Garlic; humic acid; pigeon manure; NPK fertilization; chemical analysis and total yield | ||||
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