during the last few decades scientific researches in different fields of agricultural sciences have been grown drastically. however, there is no published study, if any, on structural analysis of the national agricultural research system of iran and setting priorities for the future. in the present study 2361 scientific papers published during the three decades in the domestic journals were sur...

Galina Ivanova Ustvolskaya was born in 1919 in Petrograd and has lived there throughout her life.1 She had her formal musical training in the Leningrad Conservatory between 1937 and 1950, where she studied with Shostakovich. 2 Later she worked as a teacher in the same institution for most of her life. Although the Soviet Union possessed an elaborate system of music education (Schwarz, 1965, p. ...

one of the methods for controlling cucumber root-knot nematode is the use of plant extracts that have nematicidal effect. in this research, sweet wormwood and castor bean were selected and their anti-nematode activity has been investigated against cucumber root-knot nematode (meloidogyne incognita) in laboratory and greenhouse. experiments were carried out by using randomized completely design ...

laboratory and greenhouse experiments were conducted to determine the effects of drought and salinity stress, temperature, ph and soil depth on rye germination and emergence in gorgan university of agricultural science and natural resources. optimum temperature for germination between 25 to 34.51   oc and base and ceiling temperatures were estimated as 3.3 and 40   oc, respectively. this volunt...

abstract this research was invistigated activitiy of antagonistic activity of 200 soil actinomycete isolates assayed against phytophthora parasitica and p. citrophthora in kerman provice. among all actinomycetes, strains of 19 and 29 showed high level of activity in agar disk and well-diffusion methods. in both isolates, the active substance was water and metanol soluble but insoluble in chloro...