نتایج جستجو برای: such mineral elements as nitrogen

تعداد نتایج: 6175124  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

cultural iran is a scope that is more extended than the political territories of iran as a political unit. this concept means that cultural geography(mehdi moghanlo-1383-1) of iran is greater than its political geography which, according to history, has a long history extending west-east from kandahar to the euphrates and north-south from the persian gulf to the caucasus including transoxiana a...

2013
Allen R. Overman Richard V. Scholtz

Accumulation of plant biomass (Mg ha(-1)) with calendar time (wk) occurs as a result of photosynthesis for green land-based plants. A corresponding accumulation of mineral elements (kg ha(-1)) such as nitrogen, phosphorus, and potassium occurs from the soil through plant roots. Field data from literature for the warm-season annual cotton (Gossypium hirsutum L.) are used in this analysis. The ex...

Journal: Journal of Nuts 2012
E Davarynejad Gh Davarynejad T Nagy Peter

Edible nuts have an increasing role in human diet. Pistachio is popular but less known kind of edible nut nevertheless it is rich in health benefiting nutrients, minerals, antioxidants and vitamins. This research focused on the concentration of nitrogen (N), phosphorus (P), potassium (K) and calcium (Ca), all of which play a key role in the healthy human nutrition and lifestyle in the kernels o...

پایان نامه :0 1374

this thesis is going to delineate the concept of the reader as implied in 18th century literary theory; based on the study of the major reader oriented elements of criticism of the age-taste, the sublime, and aesthetic pleasure-its aim is to explain what sott of reader is implied and what kind of response on the part of the reader is proposed in 18th century english literary theory and aestheti...

2016
Inaudis Cejas Annekathrin Rumlow Ariel Turcios Florent Engelmann Marcos Edel Martínez Lourdes Yabor Jutta Papenbrock José Carlos Lorenzo

Many publications describe cryopreservation techniques but only a few studies have focused on the biochemical and physiological changes occurring in plants regenerated from seeds exposed to liquid nitrogen. This paper aims at describing the effect of common bean seed cryostorage on mineral nutrition of young plantlets. The following elements were measured on leaves of 10-dayold plantlets from n...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی و علوم دریایی 1388

this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...

Nitrogen is an important element in the life of a plant. A wide range of nitrogen-containing compounds is available in the world market, with different formulations and efficiencies. Urea is present in most fertilizer applications; however, nano-nitrogen products are becoming popular although there is only limited information on their field efficiency. Thus, this paper studied the foliar applic...

احمد زاده, مسعود , سلیمانی, سحر , سلیمانی, محسن , قدس علوی, بهنوش سادات ,

Phosphorus (P) and nitrogen (N) are the most essential nutrients for plant growth. Deficiency of these elements causes a considerable loss of crop yield. Nowadays, using of biofertilizers in cultivation of strategic crops, such as greenhouse crops, is very important because of resolving the P and N deficiency. This research was carried out to evaluate the potential of rhizobacteria of valerian ...

Journal: :مرتع و آبخیزداری 0
حسین ارزانی استاد دانشکدة منابع طبیعی دانشگاه تهران جواد معتمدی (ترکان) استادیار دانشکدة منابع طبیعی دانشگاه ارومیه محمود حمیدیان کارشناس ارشد مرتع داری، دانشکدة منابع طبیعی دانشگاه تهران زهرا ارزانی دانشگاه فرهنگیان، حکیم فردوسی کرج مجید آخشی دانشکدة منابع طبیعی دانشگاه تهران

to achieve the desired level of animal performance providing animal food supplies containing mineral elements is essential. for this purpose, mineral elements of 8 important rangeland species, including ferula ovina, prangus uloptera, medicago sativa, lotus goeblia, trifolium montanum, melilotus officinalis, sanguisorba minor and stachys inflate, were measured at different growth stages in the ...

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