The impact of sole poultry manure (6t PM ha-1), sole NPK (200kg NPK ha-1) and their combinations (3t PM + 100kg NPK ha-1 and 1.5t PM + 150kg NPK ha-1) on sweet potato yield parameters and soil nutrients was assessed at Adiembra and Fiaso in Ghana between June, 2011 to November, 2...
Open access
Research Article10.9734/IJPSS/2014/4305
A three-year study to determine the initial and residual effects of inorganic and organic fertilizers on potato (Solanum tuberosum L.) and subsequent quinoa (Chenopodium quinoa, Willd) crop performance was conducted in four indigenous communities in the central Bolivian Andean Hi...
Open access
Research Article10.9734/IJPSS/2014/5764
Two experiments were conducted about the effect of the application of phosphorus (P) or silicon (Si) on the arsenic (As) contents of Japanese mustard spinach (JMS) (Brassica rapa var. perviridis) grown on As contaminated soil (30.6 mg As kg-1). The P was applied with four differe...
Open access
Research Article10.9734/IJPSS/2014/7101
Two pot experiments were conducted to examine the effect of arsenic (As) concentration both in irrigation water and in soil on the As content in vegetables grown in a glass greenhouse. In the first experiment, spinach (Spinacia oleracea), green amaranth (Amaranthus viridis) and g...
Open access
Research Article10.9734/IJPSS/2014/6652
The research work was conducted at two locations in 2012, 100 meters away from mining pits to determine the effects of lead, slope position and depth on the variation of soil chemical properties. Random sampling method was used to collect soil samples from the study area. Samples...
Open access
Research Article10.9734/IJPSS/2014/5742
Phosphorus (P) fractions are important forms of P in the soil which determines P availability, an important ion in the soil for plant use. Incubation study was conducted in the laboratory for ten weeks to study the changes in selected P fractions in an Alfisol (Iwo soil series) i...
Open access
Research Article10.9734/IJPSS/2014/5539
Trichoderma constitute filamentous fungi which are frequently used as biocontrol agents against plant pathogenic fungi. The tolerance of these fungi to chemical fungicides is a prerequisite for biocontrol agents for their application to suppress the growth of some soil-borne path...
Open access
Research Article10.9734/IJPSS/2014/5589
Nucleic acid based technologies are useful tools in the investigation of microbial community composition. This study used three such methods – T-RFLP/PAT, clone library and metatranscriptome analyses – to probe changes in soil bacterial populations exposed to hydrogen gas. Total...
Open access
Research Article10.9734/IJPSS/2014/6953
Effectiveness of selected immersion-based seed pre-sowing treatments (cold water, hot water and concentrated sulphuric acid) on the germination of three Acacia species (A. tortilis, A. erioloba, and A. nigrescens) was studied between December 2012 and January 2013. For each speci...
Open access
Research Article10.9734/IJPSS/2014/5631
A field experiment was carried out to evaluate the responses of melon plants (Cucumis melo L.) under soil salinity (S1: 0.5 dS m-1, S2: 1.0 dS m-1 and S3: 2.5 dS m-1). The irrigation water was from a drainage water channel system following the traditional and sustainable irrigati...
Open access
Research Article10.9734/IJPSS/2014/4776