نتایج جستجو برای: concentration of nitrogen

تعداد نتایج: 21187520  

رونقی, عبدالمجید, زاهدی فر, مریم, صفرزاده شیرازی, صدیقه, غلامی, عبدالصمد,

Salinity plays an important role in the reduction of tomato growth, especially in arid and semi-arid regions. Nitrogen (N) may increase tomato tolerance to salt stress by increasing plant growth. In order to investigate the interaction effect of salinity and nitrogen on tomato growth, fruit quality, and micronutrient concentration in tomato plants, a hydroponic experiment was conducted in a com...

Journal: :آب و خاک 0
حلاج نیا حلاج نیا حق نیا حق نیا لکزیان لکزیان رمضانیان رمضانیان

elevated atmospheric carbon dioxide and other green house gases have increased the earth temperature in recent century, which it affects all biochemistry cycles in soils. to examine the effect of atmospheric co2 concentration and temperature on n forms in soil solution in a calcareous soil, an experiment was conducted in a completely randomized design with factorial arrangement in the laborator...

2003
LILLIAN EICHELBERGER RICHARD B. RICHTER

Chemical and functional changes in the organs of the body usually are attributed to the tissue components. If this is a correct conception, not only the composition and functional capacities of all of the tissue phases should be known but also the quantitative measurements of the relative amounts of these phases. Stimulated by these possibilities, numerous workers in the past few years have int...

Journal: :محیط زیست طبیعی 0
زینب رفیعی کارشناس ارشد، دانشکده مهندسی منابع طبیعی، دانشگاه صنعتی اصفهان نورالله میرغفاری دانشیار دانشکده مهندسی منابع طبیعی، دانشگاه صنعتی اصفهان سید حمید متین خواه استادیار دانشکده مهندسی منابع طبیعی، دانشگاه صنعتی اصفهان

increasing energy demands associated with economic growth and industrialization have resulted in dramatic increases in air pollution emissions. air pollution damages the plant mainly by disrupting cell homeostatic conditions.in the present study, diverse plant criteria indicating air pollution from different levels including cell biochemistry, leaf and tree crown in the plane-tree were determin...

Journal: :به زراعی کشاورزی 0
اعظم رضوی نسب مربی، دانشگاه پیام نور میبد، میبد حسین شیرانی استادیار، گروه علوم خاک، دانشکده کشاورزی، دانشگاه ولی عصر (عج) رفسنجان، رفسنجان احمد تاج آبادی پور دانشیار، گروه علوم خاک، دانشکده کشاورزی، دانشگاه ولی عصر (عج) رفسنجان، رفسنجان حسین دشتی استادیار، زراعت و اصلاح نباتات، دانشکده کشاورزی، دانشگاه ولی عصر (عج) رفسنجان، رفسنجان

to study the effect of salinity and organic matter on chemical composition and root morphology of pistachio cv. badami, budded on seedling root stocks, a greenhouse experiment was conducted as a factorial based on a completely randomized design with three replications. treatments consisted of four salinity (zero, 800, 1600 and 2400 mg nacl kg-1 soil) and three organic matter (zero, two and four...

2007
Wenjiang Huang Jihua Wang Xiaoyu Song Chunjiang Zhao Liangyun Liu

Advanced site-specific determination of grain protein content by remote sensing can provide opportunities to optimize the strategies for purchasing and pricing grain, and to maximize the grain output by adjusting field inputs. Field experiments were performed to study the relationship between grain quality indicators and foliar nitrogen concentration. Foliar nitrogen concentration at the anthes...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2015
Tomoyuki Kamata Dai Kato Shigeru Umemura Osamu Niwa

We studied a nitrogen-doped nanocarbon film electrode with a nitrogen concentration of lower than 10.9 at% formed by the unbalanced magnetron (UBM) sputtering method. The sp(3) content in the nitrogen-doped UBM sputtering nanocarbon film (N-UBM film) slightly increases with increasing nitrogen concentration. The nitrogen-containing graphite-like bonding decreases and pyridine-like bonding incre...

Mansoreh Khalatbari Mohammad Nasri,

New irrigation methods under different nutritional element supplies for maize production was designed and tested for evaluate quantitative and qualitative parameters by split-plot arrangement according complete randomized block design with three replications. Different Irrigation regimes was belonged to main plots (Conventional furrow irrigation: CFI or A1, Alternate furrow irrigation: AFI or A...

Journal: :Annals of botany 2009
Michael J Davies Christopher J Atkinson Corrinne Burns Jack G Woolley Neil A Hipps Randolph R J Arroo Nigel Dungey Trevor Robinson Paul Brown Ian Flockart Colin Hill Lydia Smith Steven Bentley

BACKGROUND AND AIMS The resurgence of malaria, particularly in the developing world, is considerable and exacerbated by the development of single-gene multi-drug resistances to chemicals such as chloroquinone. Drug therapies, as recommended by the World Health Organization, now include the use of antimalarial compounds derived from Artemisia annua--in particular, the use of artemisinin-based in...

Hajipour, H., Jabbarzadeh, Z., Rasouli Sadaghiani, M. H.,

This research was aimed at investigating the effects of foliar application of calcium silicate and sodium silicate on growth and biochemical characteristics and leaf elements of chrysanthemum. This study was conducted as a factorial with completely randomized design and silica source at two levels (calcium silicate and sodium silicate) and concentration of silica at five levels (0 (control), 50...

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