hybrid rice varieties are potentially higher yielding than the best inbred varieties and perform better under adverse conditions of drought and salinity. one of the major impediments for seed production of hybrid rice is incomplete panicle exsertion in the cytoplasmic male sterile lines. the unexserted spikelets which are left inside the flag leaf sheath remain unfertile. this research was focu...

application of various composts has been intensified in agriculture, due to manifestation of negative effects of chemical fertilizers on environment and soil fertility. however, their usage should be accompanied by environmental and nutritional studies. to study the effects of sulfur granular compost on yield and yield components of two wheat cultivars, a pot experiment was conducted in a compl...

y e a r s o f m u s c l e c o n t r a c t i o n h e a d a c h e a c t i v i t y was t e s t e d . T h r e e l e v e l s o f m u s c l e c o n t r a c t i o n h e a d a c h e c h r o n i c i t y (> 20 y e a r s , < 10 y e a r s , a n d n o n e ) w e r e e x a m i n e d u n d e r i m a g i n e d s t r e s s a n d a q u i z f a l s e l y p r e s e n t e d a s a m e a s u r e o f i n t e l l i g e ...

drought tolerances of 55 indigenous strains of pseudomonas fluorescens were evaluated. to assess the tolerance rate of the strains to various levels of water deficit, their growth rate in nb medium containing concentrations of 40.587, 438.838 and 548.838 g of polyethylene glycol 6000 per liter of medium were utilized. water potentials of aforesaid levels were estimated as 0, - 10, - 20 and -30 ...

the a f f i x e s i n a l a n g u a g u e are a masive w e b o f morfolexical elements formed b y t w o bases ; t h e root and t h e bound . t h e combination o f these t w o link the meaning o f a w o rd with a concept . t h e a i m o f t h e present paper i s t o study t h e similitud and dissimilitude i n t h e funtion o f these suffixes i n b o t h spanish a n d persian languages . we will ...

drought affects on all aspects of human actirities seriously as a climatic phenomenon. however, the studies related to this phenomenon based on suitable method are very few. studying the drought features and its prediction can be effective on decreasing of resulted losses or damages. therefore, drought and evaluation of its prediction possibility are studied for some stations of ardabil provinc...

stevia rebaudiana bertoni is a medicinal, perennial and herbaceous plant from asteraceae family with sweet glycosides in its leaves. salinity stress is one of the important limiters in agricultural productions. salinity influences the growth and development of plant by effect on more activities in physiological and morphological characteristics. to study the effect of salinity on morphological ...

introduction the historical experience of development process in developed countries revealed that rural development is a basic requirement for national development and that it should be considered and given high priority. accordingly in iran, the government also paid more attention to rural development in recent years. in this regard, different methods and approaches were implemented due to so...

T h e p a p e r i s a i m e d a t e x a m i n i n g t h e r e l a t i o n s h i p b e t w e e n t h e t h r e e t o p i c s o f t h e w o r k s h o p s t h a t g a v e r i s e t o t h i s b o o k : s e c u r i t y , f a u l t t o l e r a n c e , a n d s o f t w a r e a s s u r a n c e . T h o s e t h r e e t o p i c s c a n b e v i e w e d a s d i f f e r e n t f a c e t s o f d e p e n d a b i...

abstract:â green spaces, especially urban gardens have been a subject of study in many countries for a long time, but the subject has been mostly overlooked in iran. therefore, this study tries to analyze the changes in land use and how we can protect green spaces (gardens) in jahrom in line with sustainable development in 1996-2006. the data in this study were collected through local investiga...