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Effect of Some Organic Fertilizers in Soil Fertility Characteristics and its Productivity of Chard

تأثير بعض الأسمدة العضوية في الخصائص الخصوبية الأساسية للتربة و إنتاجيتها من محصول السلق

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 Publication date 2010
and research's language is العربية
 Created by Shamra Editor




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A field experiment was carried out to investigate the effects of organic fertilizers (mushroom substrate residues, poultry manure and city compost) and mineral fertilizers (NPK) on some properties and productivity of a calcareous soil using chard (Beta vulgaris) as a test crop. The plant was cultivated at spring season 2009. The first cut was after 60 days of swing. The results of experiment were: The NPK fertilizer significantly affected dry weight of plant yield (157.6g/m2soil) and the efficiency of fertilizer in productivity was 50.8% compare to control (104.5g/m2soil). The treatment of 50% NPK + 50% poultry manure gave the highest yeld compare to other treatments. However the organic treatments did not differ significantly among them. Concentrations of NPK nutrients in plant leaves were as follows: NPK > 50% NPK + 50% poultry manure > poultry manure > 50% NPK + 50% mushroom substrate > mushroom substrate > 50% NPK + 50% city compost > city compost. The organic fertilizers decreased the NPK in plant and soil compare with NPK fertilizer treatment. However there was no significant differences between NPK treatment yield and 50% NPK + 50 % poultry manure treatment. It was concluded that the use of 50% NPK +50 % orgnic fertilizer (specially poultry manure) was important to get best result.

References used
Adediran, J; L. Taiwo; M. Akand; R Sobulo;and O. Idowo. (2004). Application of organic and inorganic fertilizers for sustainable maiz and cowpea yield in Nigiria. Journal of plant nutrition. 7(7): 1163-1181
Afif, E; V. Barron; and J. Torrent. (1996). Organic matter delays but does not revent phosphate sorption by cerrado soils from Brazil. Soil Sci. 159(3):207- 211
Ali, N. S.; A. H. Alzubaidy, A. S. Atee and A. D Almamooree. (2008). Effect of NPK fertilization on yield of maiz and potato. The Iraqi Journal of Agricultural Sciences. 39(2): 26-33
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