one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...

With the aim of comparing the grain yield and yield components of 16 oilseed rape (Brassica napus L.) mutant lines with cultivars Talayeh, Zarfam, Express and Okapi as check cultivar an experiment was conducted based on  randomized complete block design with three replications during 2015-2016 cropping season in experimental field of Seed and Plant Improvement Institute (SPII) in Karaj. Analysi...

Plant nutrition management is an important factor in the success of cultivation of medicinal plants, which leads to the improvement of their quantitative and qualitative yield. Therefore an experiment was conducted as a randomized complete block design with three replications and 8 nutritional treatments during three growing seasons on Satureja. spicigera Jamzad.The treatments were different le...

In order to study the response of morphology, yield and yield components of spring safflower (Carthamus tinctorious L.) cultivars to different sowing dates, an experiment was carried out using a split-plot design on the basis of a randomized complete block design with four replications, in Agricultural Sciences and Natural Resources University of Khouzestan, south-west of Iran at 2016-2017. Exp...

Among soil and agronomic factors affecting growth, nutrition and plant density have a great effect on the growth and yield of crops such as Flax (Linum usitatissimum L.). In order to study the effect of different levels of nitrogen and plant density on yield and yield components, oil percentage and yield of Flax, a split plot experiment was conducted in a randomized complete block design with f...