to evaluate the yield and yield components in additive intercropping system of grain sorghum (sorghum bicolor l.) and cowpea (vigna unguiculata l.) under limited irrigation condition, an experiment was conducted in research farm of college of agriculture, university of tehran, during spring 2006. the experimental treatments were arranged in split plots based on a complete randomized block desig...

for the proper use of water resources in agriculture, it is necessary to provide appropriate irrigation system to supply crop water requirement. in the present research, using a hierarchical analysis, different types of irrigation systems were evaluated and prioritized on 1150 hectares of agricultural land of etka organization ​​ located in dorud, iran. hierarchical analysis process is one of t...

The purpose of this in vivo study was to investigate the antimicrobial effectiveness of 6% sodium hypochlorite, when used with the conventional irrigation technique using a 30 gauge side-vented needle, the EndoVac TM System, and the ProUltra PiezoFlow TM Ultrasonic Irrigation Needle. It was hypothesized that both the EndoVac TM system and the PiezoFlow TM Ultrasonic Irrigation Needle would remo...

this article is an attempt to study two historical junctures in the history of iran: from the qajar era to the mashrooteh movement; and from the pahlavi era to the islamic revolution. the two junctures have been studied from different perspectives; however, this article concentrates only on how political legitimacy emerged and diminished in the the above-mentioned revolutions. the basic questio...

-Water plays an important role in everyday’s life. Agriculture is a backbone of our country and it uses 85% of available fresh water for irrigation. Irrigation is the method of supplying the water to the plants artificially. In India, Farmers follow different irrigation systems to cultivate the crops. The different types of irrigation methods include sprinkler irrigation, drip irrigation, surfa...

The stability and functioning of any kind of political regime—including democratic or representative ones—relies on the combination of the capacity of rulers and government officials to use coercion and the development of political legitimacy. Political legitimacy can be described as people's recognition and acceptance of the validity of the rules of their entire political system and the decisi...

 Political legitimacy is one of the basic and major concepts of political science especially      political thought. Different views of the meaning and the concept of political legitimacy go back to the roots of political legitimacy. In this article by using a comparative style, the author will attempt to      compare the concept of political legitimacy in Imam Khomeini and Jurgen Habermas's th...