to study the effect of three soil fertilizing systems (chemical, organic, and integrated) on forage yield and quality of globe artichoke (cynara scolymus) an experiment was conducted using a randomized complete block design (rcbd) of four replications at the research farm of college of agriculture, university of tehran, karaj, iran in 2006. the treatments included 5 levels of chemical fertilize...

climate change is a complicated issue with many factors playing role in its formation and distribution. considering this complication, a comprehensive and holistic approach is needed for a better understanding and management of those factors. the causal frameworks are among systemic and integrated methods for addressing the causes of environmental problems and the relationships that exist betwe...

background hiv/aids and tuberculosis (tb) are major contributors to the burden of disease in sub-saharan africa. the two diseases have been described as a harmful synergy as they are biologically and epidemiologically linked. control of tb/hiv co-infection is an integral and most challenging part of both national tb and national hiv control programmes, especially in contexts of instability wher...

the compatibility studies of pseudomonas fluorescens (pf1) with azoxystrobin at differ-ent concentrations viz., 100, 150, 200, 250 and 300 ppm revealed that it was compatible with all the concentrations of azoxystrobin tested and the growth of the bacterium was unaffected even at the maximum concentration of 300 ppm. the field experiment revealed a foliar application of pf1 (2.5 kg ha-1) and az...

â â â  â â â â â  the aim of this paper is to simulate the effects of some macroeconomic policy tools on production and inflation of iran by the current worldwide financial and real crisis. the theoretical framework of the analysis is based on the so-called ‘imf/world bank integrated model’ which is the synthesis (a merger) of the basic monetary approach of the balance of payments used at t...

The aim of the research was analysis of rice producers’ perceptions of participatory communication in the use of integrated pest management (IPM). Research population was consisted of rice producers in the west of Mazandaran province (N=16126), whose 187 ones were selected using Cochran’s formula. Data were gathered by systematic random sampling method. The instrument for data collection was a ...

in order to evaluate the effect of different sources and rates of nitrogen the growth and biomass production of purslane, a randomized complete block design was conducted with three replications at the agricultural research farm of shahrekord university in 2012. fertilization treatments were consisted of control (no n amendment), 30 and 90 kg n ha-1in the form of urea fertilizer, 30 and 90 kg n...