P. E. Norman

Effect of Staking and Non-staking Systems on Disease Severity, Yield and Quality Attributes of Yams (Dioscorea alata)

P. E. Norman, J. B. A. Whyte, A. E. Samura, A. Massaquoi, L. Sesay, A. G. O. Dixon, N. Fomba, M. T. Benya & M. M. Sowa · Journal of Agriculture and Ecology Research International · 2014

Aims: The aim of this study was to evaluate the effect of staking and non-staking systems on disease severity, yield and quality attributes of yams. Methodology: High costs and lack of planting materials, labour, staking and inappropriate knowledge on production techniques are ma...

Open access Research Article 10.9734/JAERI/2015/14713

Effect of Organic Manure on Nitrogen Mineralization, Nitrogen Accumulation, Nitrogen Use Efficiency and Apparent Nitrogen Recovery of Cauliflower (Braccica oleracea L., var. Botrytis)

A. A. Beah, P. E. Norman, J. C. Scholberg, E. A. Lantinga & A. R. Conteh · International Journal of Plant & Soil Science · 2014

Aims: The main aim of the study was to assess the effects of organic manure on nitrogen mineralization, uptake, use and recovery of cauliflower. Methodology: Nitrogen is one of the major yield limiting nutrients in cauliflower production. However, organic manure is applied to sup...

Open access Research Article 10.9734/IJPSS/2015/12660

Effect of Organic Manure on Soil Bio physical Properties and Dry Matter Partitioning in Cauliflower

A. A. Beah, P. E. Norman, J. C. Scholberg, E. A. Lantinga & A. R. Conteh · International Journal of Plant & Soil Science · 2014

Aims: The main aim of the study was to assess the influence of organic fertilizers on selected soil bio-physical properties and dry matter partitioning in cauliflower. Methodology: A field experiment was conducted at Wageningen University Experimental Site, Netherlands during 201...

Open access Research Article 10.9734/IJPSS/2014/10953