this research was conducted to study the effects of different salinity levels and exposure times on grain yield and yield components in a green-house experiment at gorgan university of agricultural science and natural resources during 2007- 2008 growing season. a factorial sand culture experiment with three completely randomized replications was used. salinity levels were -0.002, -0.25, -0.50, ...

in order to study the effects of irrigation levels on growth criteria, yield components and seed yield of four ecotypes of sesame (sesamum indicum l.), a field experiment was conducted as factorial based on a randomized complete block design with three replications at the agricultural research station, ferdowsi university of mashhad, during growing season 2010-2011. three irrigation levels (200...

to determine the best planting date and irrigation schedule in a cotton field (gossypium hirsutum var.varamin) in garmsar region an experiment was conducted in 2011. the experimental design was splitplot based on randomized complete block with three replications. three irrigation termination dates (2011sep 11th, 2011 sep 21st and 2011 oct 2nd) arranged in main plots as main factor and three pla...

given the important role of crop growth indices for explanation of cultivars yield differences in diverse environmental and agronomical circumstances, this experiment was conducted at research field of tarbiat modares university during 2007 growing season. experimental treatments were arranged in split-plot layout based on randomized complete blocks with four replications. in this research, sow...

basil (ocimum basilicum) is an herb belongs to lamiaceae family. the essential oil of basil is widely utilized as an aromatic agent in the food, pharmaceutical and perfumery industries. basil essential oil possesses antimicrobial property. due to high economical value and high demand, basil production in greenhouse for permanent market selling is expanding. in order to the investigation of the ...

the caster bean oil is high value in industry around of world. plant nutrition and plant growth promoting rhizobacteria (pgpr) are important for crop production. an experiment was set up to investigate the effect of nitrogen (n), sulfur (s) fertilizers and pgpr on seed yield production of ricinus commines l. this experiment was carry out in factorial layout based on complete randomize block des...