نتایج جستجو برای: a field experiment in astan ghods razavi
تعداد نتایج: 20446144 فیلتر نتایج به سال:
in order to evaluate competition among some weed species and canola, a field experiment in astan ghods razavi's field in mashhad was done on 2007-2008. thirty 50×50 cm quadrates were used in two times (stem and flower production) to measure the canola dry weight, leaf area index and canola and weeds density with destruction and thirty similar quadrates were used for counting weed species a...
this research aims at determining and evaluating the water productivity indexes in astan-ghods-razavi companies for different crops during 2007-2008 growth season. required field data were collected during several field surveys. these data consisted of crop yields and crop consumptive water that is irrigated by distinct agriculture well. with regard to collected data, four water productivity in...
replacement of a tractor is an influential factor affecting timely farm operation. the accurate prediction of repair and maintenance costs is essential to selection of a replacement model. this study used empirical data for 60 two-wheel drive (2wd) tractors from astan ghods-e razavi agroindustry. the types and numbers of tractors used were the massey ferguson 285 (17), fiat (10), john deere 314...
This study was conducted to investigate Feasibility of Resource Description and Access (RDA) implementation in manuscripts’ bibliographic records.Paper type: This research is a practical (applicable research)The present research is based on the Research and Development based on documentary and the comparative approach. Findings: The findings prove that out of the identified el...
Purpose: To identify and and measure the factors affecting customer relationship management in the Organization of Libraries, Museums and Documentation Center of Astan Quds Razavi. Methodology: This is an applied research in terms of purpose and a descriptive-survey research in terms of nature. The main data collection tool was a researcher-made questionnaire. The research population consis...
the management of machine replacement (specifically tractors) is one of the most critical factors for performing field operations on time. therefore, tractor repair and maintenance costs must be accurately predicted. this research was carried out to evaluate the use of the regression technique in predicting tractor repair and maintenance costs. the study was conducted using empirical data on 60...
Alhashaysh is a perdurable opus written by the Greek famous medicine man, and one the main resources of zoology and phytology. Most Islamic scientists and medicine men exploited this book of interest as a reliable resource in their publications. The book has been frequently translated and copied in the Islamic civilization. The most important translation was that by M. Ben Mansour, the governor...
abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...
In this article the potential of Radial Basis Function Neural Network (RBFNN) technique has evaluated as an alternative method for the prediction of tractor repair and maintenance costs. The study was conducted using empirical data on 60 two-wheel drive tractors from Astan Ghodse Razavi agro-industry in Iran. In this paper, the performance of Basic Back-propagation (BB) training algorithm was a...
this thesis attempts to measure learning styles, self efficacy and intrinsic motivation as predictors of iranian ielts reading comprehension. in order to address this issue, a quantitative study was conducted on some randomly selected intact students at ferdowsi university. these two groups were assigned as they were undergraduate (ba=91) and graduate (ma =74) students; they were all aged betwe...
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