Paper Details

Effect of Sowing date and nitrogen on yield and yield components of medicinal flax

Mohammad Mehdi Rahimi

DOI: https://dx.doi.org/10.12692/ijb/5.12.160-165

Int. J. Biosci. 5(12), 160-165. December, 2014. (PDF)

Abstract:

In order to investigate the effect of sowing date and different nitrogen (N) levels on yield and yield componentsmedicinal flax, an experiment performed in split plot in form of Randomized Complete Block Design, with 4 replications and during farming year of 2005-2006 and of 2006-2007 in Yasooj Agriculture Research Station. 5sowing date included 4,6,8,10,12 on the basis of depth temperature of 5cm  in main plots and 4 fertilizer levels insub-plots included sample (no fertilizer) 50, 100 and 150 kg/ha pure N from urea source that 50% was used at the time of sowing and 50% in the way of top-dressing. The results of complex 2-year analysis of data indicatethat with delayed sowing plant height, none of branch, none of fruits, grain yield, 1000-seed weight, leaf area index, dry mater, crop growth rate and were reduced significantly. The use of 100kg/ha pure N significantly increased plant height, none of branch, none of fruits, grain yield, leaf area index, dry mater, crop growth. Firstsowing date with 1801.12 kg/ha had the most yields and fifth sowing date with 760.48 had the least product. Themost and the least yield rates of seed in 100kg/ha pure N and sample were 1895.22 and 1351.87 respectively.