نتایج جستجو برای: chemical fertilizer

تعداد نتایج: 393935  

ژورنال: علوم آب و خاک 2020

In order to increase the available Phosphorous (P), chemical fertilizers are applied; however, P chemical fertilizers are transformed into low available forms over time. Organic amendments could be effective in improving the efficiency of P fertilizers. The aim of this study was to investigate the effect of P fertilizers and vermicopost on the availability and fractions of P and maize (Zea Mays...

Journal: :SERIES CHEMISTRY AND TECHNOLOGY 2020

Journal: :International Journal of Environmental Science and Development 2012

2016
M. S. Hamed

The drawbacks to multivariate charting schemes is their inability to identify which variable was the source of the signal. The multivariate exponentially weighted moving average (MEWMA) developed by Lowry, et al (1992) is an example of a multivariate charting scheme whose monitoring statistic is unable to determine which variable caused the signal. In this paper, the run length performance of m...

2013
S. Mehrvarz M. R. Chaichi H. A. Alikhani

The effect of seed inoculation by phosphate solubilizing microorganisms and different levels of phosphorus chemical fertilizer on yield and yield components of barley (Karoon x Kavir cultivar) was studied in Experimental Farm of College of Agronomy and Animal Sciences, University of Tehran during 2006-2007 growing seasons. The experimental treatments were arranged in split plot factorial based ...

Journal: :Molecules 2015
Jin-Seon Yook Mina Kim Pichiah BalasubramanianTirupathi Pichiah Su-Jin Jung Soo-Wan Chae Youn-Soo Cha

The objective of this study was to explore the antioxidant levels and anticancer properties of chicory cultivated using three different kinds of fertilizers (i.e., developed, organic, and chemical) in the presence and absence of pesticides. Phenolic phytochemicals, including total polyphenols and flavonoids, and antioxidant activities, including reducing power, ABTS+ and DPPH radical scavenging...

Journal: :پژوهش های زراعی ایران 0
عیسی مقصودی امیر قلاوند مجید آقاعلیخانی

in recent years, surplus usage of chemical fertilizers and inattention the importance organic matter to improve soil fertility, leading to increasing use of chemical fertilizer, environmental pollution and etc. in order to study the different fertilizer levels (organic, chemical and combined) on yield of grain corn (s.c.704) experiment was conducted at the research farm faculty of agriculture t...

2013
S. Mehrvarz

The effect of seed inoculation by phosphate solubilizing microorganisms and different levels of phosphorus chemical fertilizer on forage and grain quality of barley (Karoon x Kavir cultivar) was studied in Experimental Farm of College of Agronomy and Animal Sciences, University of Tehran during 2006-2007 growing seasons. Three phosphorus fertilizer levels of 0 (control), 30 and 60 kg ha were al...

Journal: :مدیریت خاک و تولید پایدار 0
زهرا عربی دانشگاه آزاد اسلامی واحد گرگان علی احمدی دانشگاه آزاد اسلامی واحد گرگان آسیه سیاه مرگویی دانشگاه علوم کشاورزی و منابع طبیعی گرگان

in order to investigation the effects of different combination and amount of chemical, biological and organic manure in present of water absorbent materials on some phenological, morphological and yield of soybean, a field study was carried out gorgan region climate conditions in a factorial experiment based on randomized complete block design with three replications. in this experiment two lev...

Journal: :بوم شناسی کشاورزی 0
علی اصغر محمد آبادی پرویز رضوانی مقدم جبار فلاحی زینت برومند رضازاده

in order to study the effect of different organic fertilizers on quantitative and qualitative characteristics of fenugreek forage, an experiment was conducted based on completely randomized block design with six treatments and three replications at agricultural research station, college of agriculture, ferdowsi university of mashhad, iran, during 2006. the experimental treatments were four orga...

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