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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 15, No. 1, 2011, pp. 13 -15
Bioline Code: ja11003
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Applied Sciences and Environmental Management, Vol. 15, No. 1, 2011, pp. 13 -15

 en Effect of poultry manure and urea-n on flowering occurrence and leaf Productivity of amaranthus cruentus check for this species in other resources
Okokoh, Shiyam John & Bisong, Binang Walter

Abstract

A field experiment was conducted during the dry season (December – March) in 2005 and 2006. To test the effect of poultry manure (PM) and urea -N on flower initiation and leaf yield of Amaranthus cruentus. Plants fertilized with sole poultry manure at 15 tonnes/ha were significantly (p = 0.05) tallest (90.6cm), while application of a mixture of 30 kg urea-N/ha and 15 tones/ha of poultry manure produced the higher number of leaves per plant (81.7), the largest leaf area (203.0 cm2), highest number of branches per plant (16.0), longest vegetative life span (70 days after planting), highest fresh leaf mass (1.88 kg/plot), highest fresh stem mass (2.25 kg/plot) and highest fresh lead yield (12.20 tonnes/ha). This is an indication that combined application of 15 tonnes of poultry manure per hectare and 30 kg Urea-N/ha could prolong the vegetative phase thus, enhancing the leaf productivity of Amaranthus cruentus.

 
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