نتایج جستجو برای: labor and fertilizer

تعداد نتایج: 16838882  

Journal: :پژوهش های کاربردی زراعی (زراعت سابق) 0
سید محمدرضا احتشامی استادیار دانشکده کشاورزی دانشگاه گیلان فاطمه حکیمیان دانشجوی کارشناسی ارشد زراعت دانشگاه آزاد ساوه مجتبی یوسفی راد عضو هیأت علمی دانشگاه آزاد ساوه محمدرضا چائی چی عضو هیأت علمی پردیس کشاورزی و منابع طبیعی دانشگاه تهران

in order to investigate the integration of phosphorus fertilizer different levels and phosphorus solubilizing bacteria p.fluorescens on quantitative and qualitative forage yield of two fall barley cultivars, an experiment carried out at research farm of college of agriculture of university of tehran during 2009-2010. the experiment design consisted of three randomized complete blocks in a facto...

امینی, علیرضا,

Job centers have an outstanding role in the process of labor force employment through cutting the costs of labor force adjustment. This paper studies the dynamic models of the labor force demand with the aim of pinpointing job centers role in labor market. According to the results, "job search and matching" approach better and more thoroughly considers the role of job centers in the labor marke...

  Background and Objective: Oxytocin is one of the most common drugs in obstetrics for induction or augmentation of labor. Recent studies show that oxytocin is used in over 50% of women in labor. This study aimed to compare the effect of high and low doses of oxytocin for labor induction on labor outcome.   Materials and Methods: This single-blind randomized clinical trial was performed on 120 ...

In order to evaluate the effect of medium and spraying calcium nano-fertilizer on quality of cut gerbera flowers, an experiment was conducted as factorial in completely randomized design with 7 media and 3 calcium nano-fertilizer concentrations with 3 replications. The media included cocopeat + perlite (1:1), peat moss + perlite (1:1), mushroom compost + perlite (1:1), peat moss + cocopeat + pe...

Journal: :Sri Lanka Journal of Economic Research 2021

The direct and indirect impact of high-input use agriculture- popularised by the Green Revolution- on environment is major thrust this perspective. paper discusses an integrated approach to minimise negative impacts, accounting for proposed ban synthetic fertilizers tradeoff between productivity resulting from such a ban. Noteworthy stylised facts discussion are threefold. First, Revolution red...

Journal: :علوم گیاهان زراعی ایران 0
رضا کشاورز افشار دانشجوی دکتری محمدرضا چائی چی دانشیار دانشگاه تهران حسین مقدم استادیار دانشگاه تهران سیدمحمدرضا احتشامی استادیار دانشگاه گیلان

to evaluate the effects of phosphate solubilizing bacteria and chemical phosphorous fertilizer on turnip (brassica rapa) forage yield under limited irrigation regimes, a field experiment was conducted in research farm of college of agriculture and natural resources, university of tehran, in karaj/iran during 2009 growing season. the experimental treatments were arranged as split plots. five lev...

Journal: :پژوهش های زراعی ایران 0
پرویز رضوانی مقدم ابوذر صبوری علی اصغر محمدآبادی روح اله مرادی

in order to evaluate the effects of different organic and chemical fertilizers on yield, yield components and seed oil content of sesame an experiment was conducted in a split plot layout based on randomized complete block design with four replications at research station, faculty of agriculture, ferdowsi university of mashhad in year 2006. four types of fertilizer, including chemical fertilize...

Journal: :Open Journal of Business and Management 2021

This paper examines the impact of maize trade on development industry in Ghana using a time series dataset for 1980-2019. The study adopted multivariate vector error correction model (VECM). We assess whether spurs and hence economic growth. further examined other production variables such as fertilizer, machinery, FDI efficiently stimulates industry. empirical analysis results suggest that pos...

Journal: :International Journal Of Science, Technology & Management 2022

The purpose of the study was to examine how much resilience community's disposable income due COVID-19, and factors for increasing farmer productivity in Tanah Bara Village, Gunung Meriah District based on SEM model. main problems studied are decline lack capital opening wider agricultural land, soil fertility which is increasingly polluted causes unable cultivate crops, narrow land cannot incr...

Despite the several researches that focus on investigating the minimum wage effect on the important economic variables, examining the effect of this variable on the labor supply and rate of labor’s participation in labor market has received less attention. The rate of women’s participation in Iran labor market has had a remarkable decrease in the recent years. On the other hand, real minim...

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