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
This research was aimed at assessing the different tillage systems adopted in rural communities of Osun state with a view to estimating soil erodibility and to determine the prevalence of erosion in the sampled communities. Nine communities were selected and fifty questionnaires...
Open access
Research Article10.9734/IJPSS/2014/5591
Hierakonpolis archaeological site was a Predynastic occupation (3800-3500 B.C.) where the early Egyptian civilization originated. The research aims to discover the cultivated crops in this remote time to recognize life activities of early Egyptians, reconstruct weeds assemblage g...
Open access
Research Article10.9734/IJPSS/2013/4893
The main source of natural rubber is the Hevea brasiliensis, an important crop to the Cameroonian economy. In order to improve yields in a sustainable manner, nutrient norms must be derived for proper nutrient and sustainable soil fertility management. The aim of this study was t...
Open access
Research Article10.9734/IJPSS/2013/5107
Pot experiments were used to examine the impact of root galls caused by Meloidogyne javanica on some growth and yield parameters of tomato (Solanum lycopersicum) in Federal College of Agriculture Ishiagu, Ebonyi State, SE Nigeria in 2009 and 2010. The experiment was arranged in c...
Open access
Research Article10.9734/IJPSS/2013/3510
Nitrogen is considered the most important element in plant nutrition and growth. However its role and availability for boreal forest conifers is still debated. Boreal conifers have adapted strategies to cope with the reduced availability of N. ECM fungi, associated with boreal co...
Open access
Research Article10.9734/IJPSS/2013/4233
Farmers' practice of planting more than one crop under mixed cropping without fertilizer application has been a source of concern in Nigerian agriculture due to inherent low fertility status and fragile nature of the soils. This study was set up to assess the performance of okra...
Open access
Research Article10.9734/IJPSS/2013/4796
Deficit irrigation technique was introduced to find the best means to conserve irrigation water in arid lands. The most common model describing deficit irrigation is water yield response model. The main advantage of such model is that it can predict relative yield drop, which ari...
Open access
Research Article10.9734/IJPSS/2013/4981
The experiments were conducted during 2010 and 2011 rainy seasons at the research and teaching farm of the college of agriculture, Lafia, Nasarawa state, Nigeria. To determine the effect of urea fertilizer and poultry manure on the performances of fluted pumpkin (Telfairia occide...
Open access
Research Article10.9734/IJPSS/2013/3863
Soil organic matter (SOM) has very important functions in the soil. It affects the soil physical, chemical and biological properties, and eventually affecting the overall soil and crop productivity. Increase in SOM matter is associated with an increase in soil and crop productivi...
Open access
Research Article10.9734/IJPSS/2013/4970
This study investigated the effect of different crude oil fractions (whole crude WC, water soluble fraction WSF, water insoluble fraction WIF and soil from a crude oil contaminated site, Ubeji) at different percentages of soil contamination (2, 5 and 10%) on growth (percentage se...
Open access
Research Article10.9734/IJPSS/2013/4102