to study the effects of carbon dioxide enrichment on morphological, nutrient absorption and yield of wheat (triticum aestivum l. cv. pishtaz) under weed competitive pressure of wild oat (avena ludovicianal.), an experiment was conducted as a split plot based on a randomized completely block design during the 2013-2014 growing season at the research field of tarbiat modares university, iran. car...

to evaluate the growth regulatory effect of chlormequat chloride (ccc) under drought stress conditions on three barley cultivars, a field study was conducted under badjgah agro climatic conditions (altitude 1810 m, longitude 52° 46´, and latitude 29° 50´) during 2003-2004 growing season. a randomized complete block based split- split plot of four replications was employed with two moisture leve...

in order to evaluate the effect of nitrogen (n) and seeding rate and presence of rapeseed residues on yield and yield components of wheat, a field experiment was conducted in cropping year 2011- 12 at college of agriculture, shiraz university (badjgah), shiraz, iran as split-split plot arranged in randomized complete blocks design with three replications. treatment included presence and absence...

in order to evaluate the effect of drought stress on grain yield and its components of fennel accessions, a field experiment was conducted as a split plot based on complete randomized block design with three replications. this experiment was conducted in research farm of agricultural faculty of zanjan university in 2012. in this study water stress in two levels included control and drought stre...

to investigate the effect of wild mustard plant density and nitrogen fertilizer on morphological characters, yield and yield components of canola a split-plot experiment based on a randomized complete block design with 3 replications was carried out in bu-ali sina university of hamedan, in 2009. 4 levels of nitrogen fertilization (100, 150, 200 and 250 kgn h-1) were assigned to main-plots and p...

in order to study the effects of fall planting dates on yield and yield components of six cumin (cuminum cyminum l.) ecotypes an experiment was arranged in a randomized complete block design as a split-plot with three replications during 2007-08 growing season at the agricultural research station of ferdowsi university of mashhad. three planting dates (18 oct. (first), 8 nov. (second) and 29 de...

recently, biofertilizer application is growing to meet sustainable agriculture goals. the present experiment was designed to evaluate four nitrogen levels (0, 60, 90 and 120 kg n.ha-1) as main plots, two supernitroplus biofertilizer levels) with and without biofertilizer) as sub-plots on yield and yield components of three sesame cultivars (naz, oltan and varamin (as sub-sub-plots in a split-sp...