Paper Information

Journal:   PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)   fall 2017 , Volume 9 , Number 30 #M00586; Page(s) 40 To 51.
 
Paper: 

Effect of irrigation interval, humic acid and sulfur fertilizer on morphological and yield traits of fenugreek (Trigonella foenum-gracum L. )

 
 
Author(s):  Nakhyeinejad B., MOOSAVI S.G.R.
 
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Abstract: 
In order to study the effect of irrigation interval, humic acid and sulfur fertilizer on some morphological and yield traits of fenugreek, a split-plot factorial experiment based on randomized complete blocks design with three replications was conducted at research field of Islamic Azad University, Birjand branch in 2013. The main plots were 5 and 10 day irrigation intervals. The subplots were combination of two rates of humic acid (0 and 10 L. ha-1) and four types of sulfur fertilizer (control or no application, bentonit containing, humic containing and urea with sulfur cover). In this study plant height, branch number of main stem, pod length, 1000– seed weight, seed yield, biological yield and harvest index of seed were evaluated. The results showed that increasing irrigation interval from 5 to 10 day significantly reduced plant height, pod length, 1000– seed weight, seed yield, biological yield and harvest index of seed by 19. 9, 20. 9, 34. 6, 37. 4, 34. 4 and 16. 7%, respectively. Also humic acid application (10 L. ha-1) significantly increased all measured traits by 10. 3, 13. 5, 15. 5, 42. 8, 47. 7, 85. 2 and 42%, respectively. The effect of sulfur fertilizer on the measured traits was not significant. Also, interaction of irrigation and humic acid was significant on plant height, 1000– seed weight, biological yield and harvest index. In general, 5 day irrigation intervals and acid humic application (10 L. ha-1) is recommended for fenugreek cultivation in Birjand.
 
Keyword(s): Low irrigation,humic,sulfur,Trigonella foenum-gracum L.,vegetative growth
 
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