The radiofrequency field levels of selected MTN and ZAIN base stations in Makurdi were measured using electromagnetic field tester (EMF 827, Lutron). Measurements were done at distances of approximately 5.00, 10.00, 15.00 and 20.00 metres for each base station at the North, South, West, and East...

A comparative study of radiofrequencies field levels of some base stations in Makurdi and its environs was carried out in Makurdi, Benue State, North central Nigeria. Electromagnetic field tester (EMF 827 Lutron) was used for measurement at distances ranging from 5.00, 10.00, 15.00 and 20.00...

This paper deals with the development of a new holistic math model to manage watersheds in Central Mexico. Hydrological resources in this medium-dry North-American region supply water to more than 49 million people. In addition, this region is considered as one of the most eco-diverse regions in...

Soils samples were collected from selected automobile workshops in Abraka, Delta State, Nigeria, at the depths of 0 – 15cm, 15 – 30cm and 30 – 45cm representing top,- sub- and bottom soils respectively and also from control site and 20m away from the point of impact. The soils were...

This paper presents the procedures of the extraction and isolation of flavonoids present in the methanolic leaf extract of Acanthospermum hispidium DC .The leaves of Acanthospermum hispidium dc was extracted with polar and non-polar solvents. The activecomponents (.i.e. flavonoids) were found in...

The experiment was carried out at the Student Farm of CCS HAU, Hisar for two consecutive kharif seasons of 2011 and 2012.  The field was laid out in a split plot design following the block randomization system with three replications.  Four varieties (HC 541, HC 308, HC 171 and HJ 513) and...

Aim: To assess the effect of chronic manganese chloride exposure on testis and sperm parameters. Methods: Twenty four male rats, 6 months old, were divided in 2 groups. 12 rats in the lot exposed to manganese, were watered by water containing manganese chloride tetrahydrate (MnCl2 4H2O) at dose...

Ilex paraguariensis A. St.- Hil., Aquifoliaceae, is a native species of subtropical and temperate regions of South America, whose leaves and steams are used to make tea and traditional infusions, such as chimarrão and tereré. These beverages are considered beneficial to health because of their...

A field experiment was conducted for two years (2006 and 2007) during the belg seasons on strongly acid clay loam (Haplic Alisols) soils at Chencha research substation, Southern Ethiopia. The objective was to examine the effect of seedbed preparation methods and organic-inorganic fertilizers on...

In southern region acid soils cover appreciable areas of arable land and reduce or cause total failure of some sensitive crop yield. Barley is the most sensitive crop to soil acidity. A field experiment was carried out for three years (2007 to 2009) on loam Haplic Alisols of Chencha and clay...