background and objectives: milk thistle (silybum marianum), a medicinal plant of the asteraceae family that have been used long time ago, in the treatment of liver disease. sowing date of this plant has not been determined, therefore, this study was necessary. this plant was identified as a weed, this plant is identified as a weed, while silymarin in the seeds are used in the anti-hepatitis and...

in order to find out suitable organic fertilizers for elimination of chemical fertilizers usage and the optimum sowing date in pot marigold cultivation, an experiment was conducted in the agricultural research station, ferdowsi university of mashhad, iran, in 2007 growing season. for this purpose a split plot experiment based on completely randomized block design with three replications was use...

[Background] Wheat is the most important food crop, with largest planting area in world. However, production process, due to species degradation and occurrence of new diseases, antigens old varieties are lost, resulting reduced yield even no harvest. In order ensure stable increase wheat, need be updated time. By using different seasons places carry out additional generation breeding two...

in order to evaluate the effect of sugar beet sowing date, planting density and cultivar on solar radiation interception, a study was conducted in kamal-abad agricultural research station of sugar beet seed institute (sbsi) in 2005 and 2006. the experimental design was split-split plots based on randomized complete block design (rcbd) with three replications with two sowing dates as the main pl...

in order to evaluate the influence of different sowing dates on quantitative and qualitative yield in four winter rapeseed cultivars (brassica napus l.), two field experiments were carried out as split plot arrangement in complete block design with four replications. this research was performed in agricultural experimental station of agricultural and natural resources research center of markazi...

castor oil due to extraordinary physicochemical properties has numerous applications in pharmaceutical, chemical, hygienic, biodiesel and nowadays in food industries. during plant growth and development, as well as during postharvest and processing, different factors may affect caster oil properties. this study was conducted to evaluate oil content and physiochemical properties under different ...

hamid reza arab1, hossein afshari1*, morteza sam daliri2, ghanbar laei1,   seyyed rasoul toudar2   1- faculty of agriculture, damghan branch, islamic azad university, damghan, iran   2- faculty of agriculture, chalous branch, islamic azad university, chalus, iran     received: 1august 2011 accepted: 23 november 2011       *corresponding author: email: [email protected]     abstract     in...

augment of germination rate is important in seedling establishment and crop yield. a set of study in laboratory & field conditions at agronomy department of university of tehran was conducted during 2004-2005. in lab. experiment the effects of seed priming was evaluated on germination indices (germination percentage and rate) of chickpea genotypes in a factorial experiment of 4×3×2 arranged in ...