G. B. Pant University of Agriculture and Technology

About: G. B. Pant University of Agriculture and Technology is a education organization based out in Haldwani, India. It is known for research contribution in the topics: Population & Agriculture. The organization has 3154 authors who have published 3244 publications receiving 43741 citations. The organization is also known as: Govind Ballabh Pant Krishi Evam Praudyogik Vishwavidyalaya & Pantnagar University.

Monitoring of Impact of Ferti‐irrigation by Post‐methanated Distillery Effluent on Groundwater Quality

Abstract: The impact assessment of molasses-based distillery-effluent irrigation on groundwater quality around village Gajraula in the district of Jyotiba Phule Nagar, Uttar Pradesh, India was studied by sampling groundwater on monthly intervals consecutively for summer, winter and monsoon seasons during 2006–2007 and water quality parameters, viz. pH, electrical conductivity (EC), chloride (Cl−), sulphate (SO), nitrate (NO), chemical oxygen demand (COD), total solids (TS), total dissolved solids (TDS), sodium (Na+), potassium (K+), calcium (Ca2+), magnesium (Mg2+), zinc (Zn2+), iron (Fe3+), and total coliforms (TC) were monitored. Results depicted that the values of all parameters decreased with increasing depth of water table. Sulphate, nitrate and potassium contents were maximal in agricultural site during monsoon while EC, Cl−, TS, TDS, Na+, Ca2+, Mg2+, Zn, and Fe were maximal in industrial sites during summer. Groundwater samples of residential site harboured maximum coliforms especially during monsoon, highlighting threat to groundwater. Significant positive correlation matrix between coliforms with nitrate, sulphate and potassium ions explained their survival on these nutrients. To overcome this, important measures emphasizing improvement in effluent treatment technology matching site-specific characteristics are recommended for eco-friendly ferti-irrigation.

A simple approach to analyse the thermal expansion in minerals under the effect of high temperature

Abstract: A simple and straightforward method is developed for determining the volume thermal expansion and its coefficient in minerals (MgO, CaO) under the effect of high temperature .The expressions for the thermal expansion, the thermal expansion coefficients and the bulk modulus are obtained assuming that the Anderson parameter ( δ T ) is not a temperature independent parameter, but varies with temperature. The results achieved in the present study agree closely with the data based on experimental studies of the temperature dependence of the thermal expansion and the bulk modulus at zero pressure.