RESPONSE OF CAULIFLOWER TO ORGANIC AND BIOFERTILIZERS AND NITROGEN LEVELS | ||||
Journal of Plant Production | ||||
Article 18, Volume 29, Issue 10, October 2004, Page 5763-5772 PDF (2.88 MB) | ||||
Document Type: Original Article | ||||
DOI: 10.21608/jpp.2004.238858 | ||||
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Authors | ||||
E. A. Ibrahim,; M. E. Abo EI-Nasr; R. A. EI-Shabrawy | ||||
Veget. Res. Dept., Hort. Res. Inst., Agric. Res. Center, Egypt. | ||||
Abstract | ||||
Cauliflower cv. Snowball Y Improved plants were treated with seven treatments (80 kg N fed", 60 kg N fed-' + 2 kg Nitrobin fed", 60 kg N fed-' + 10 m3 chicken manure fed-', 60 kg N fed" + 2 kg Nitrobin fed-' + 10m3 chicken manure fed-', 40 k~ N fed" + 2 kg Nitrobin fed", 40 kg N fed" + 20 m3 chicken manure fed", 40 kg N fed- + 2 kg Nitrobin fed-' + 20 m3 chicken manure fed-') in two field experiment conducted at Baramoon Experimental Farm, Oakahlia Governorate during 2002/2003 and 2003/2004 seasons. These treatments had significant effects on all traits under study. Using 60 kg N fed" + 2 kg Nitrobin fed" + 10 m3 chicken manure fed-" and 40 kg N fed" + 2 kg Nitrobin fed-' + 20 m3 chicken manure fed" gave the highest values for leaves weight I plant, curd weight and diameter, protein (%) and curd yield per feddan as well as N, P and K accumulation in leaves and curd. The same treatments reduced vitamin C (VC) content, protein (%), dry matter (OM) (%) and mean time from transplanting to maturity. Treatment with 40 kg N fed" + 2 kg Nitrobin fed" recorded the highest values for VC content and OM%. Treatment with 80. kg N fed" recorded the highest values for N03 accumulation in curd and mean time from transplanting to maturity. So, application of 60 kg N fed-' + 2 kg Nitrobin fed" + 10m3 chicken manure fed" or 40 kg N fed-' + 2 kg Nitrobin fed" + 20 m3 chicken manure fed-' was sufficient and could be recommended for good yield and quality of cauliflower under similar conditions of this work. | ||||
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