in order to study the effect of soil compaction on root and shoot growth of wheat plants (shahriar variety), a greenhouse pot experiment was conducted in guilan university. the study design was factorial with completely randomized in three replications. treatments included three compaction levels; (normal compaction, compaction of ten percent and twenty percent) and two type of soil texture (cl...

<p>There are many direct and indirect methods of measuring the volumetric ratioof red blood cells relative to sample size total blood, but manual carcinogenic method remains most stable least expensive despite possibility human error.The ratio percent packed cell volume is known as (PCV). Our efforts were directed at finding a precise economic for PCV determination. There by, we designed ...