نتایج جستجو برای: relative growth rate

تعداد نتایج: 2001705  

Journal: :پژوهش های حبوبات ایران 0
کمال حاج محمدنیا قالی باف فریده سادات حسینی احمد نظامی مهدی پارسا

introduction lentil with about 28 percent protein occupies the second after soybean. it is one of the major crops in developing countries as a complement to cereals and is an excellent source of protein and amino acids in the diet. results of studies shown that for most crops, including lentil, the occurrence of drought stress in some phenology stages cause irreparable damages to yield. therefo...

In this study, we aim to compare results of the basic and extensive forms of the Thirlwall model (balance of payment constrained growth model) for two economies including Iran and Norway. In this model, demand variables i. e. export and import determine the limit of economic growth in the long run. The balance of payment (deficit) can be a factor as a constraint on the rate of growth of output ...

Ali Reza Zarei Mahmood Habibian, Mohammad Reza Khorsand Navid Rohani

A semi-batch crystallization system is used to determine growth kinetics and morphology of barium carbonate crystals, under a constant pH value and constant temperature in the various relative supersaturations. Results show that crystal growth rate satisfies a first-order kinetic expression at high relative supersaturation, while at relative supersaturation values lower than 3,  the k...

Journal: :پژوهش های زراعی ایران 0
عظیمه باقری خسرو عزیزی محمد سعید حسنوندی

growth analysis is a valuable method in the study of quantitative of growth, development and crop production. in order to study the physiological growth indices of lentil plant under dry- farming conditions, an experiment was carried out as a randomized complete block design with three replications at the agricultural research station of lorestan university during 2010. in this experiment two c...

Journal: :علوم باغبانی ایران 0
سیده مهسا حسینی کارشناسی ارشد، دانشکدۀ کشاورزی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، تهران محسن کافی استاد گروه علوم باغبانی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج مسعود ارغوانی استادیار، دانشکده کشاورزی، دانشگاه زنجان

perenial rygrass (lolium perenne cv. “numan”)belongs to poaceae family as an important lawn in landscape design. the objective of this research was to evaluate effects of different concentrations of salicylic acid to enhance the growth and biochemical characteristics of lolium perenne l. under drought conditions. factorial experimental design was arranged in a completely randomized block design...

Journal: :iranian journal of veterinary research 2010
f. al-masri m. hassanzadeh

the present study was designed to examine the anatomical parameters of the cardiopulmonary system, the function of venous blood gas parameters and the development of ascites incidence in two genetic line chickens. three hundred forty day-old chickens from two pure broiler breeder lines, which were different in their growth rate and susceptibility to ascites syndrome were obtained. the relative ...

Journal: :چغندرقند 0
محمدرضا میرزایی مربی پژوهش، مرکز تحقیقات کشاورزی و منابع طبیعی همدان محمد عبداللهیان نوقابی دانشیار پژوهش، مؤسسه تحقیقات چغندرقند

the current study was carried out to examine sugar beet growth pattern in climatic conditions of hamedan, iran and to recognize the factors affecting its quantity and quality as well as the physiological indices. two sowing date experiments were conducted on the basis of a randomized complete block design with four replications and 11 harvests. the plots were destructively sampled and the growt...

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