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Showing 2 results for Agronomic Traits

Madine Bijani, Parviz Yadollahi, Mohammad R. Asgharipour, Saeide Soleimani, Malihe Latifi,
Volume 1, Issue 2 (3-2015)
Abstract

Sesame is an important and useful oil crop. This study was conducted to evaluate of the effects of nitrogen and biological fertilizer on sesame crop as a factorial experiment based on a randomized complete block design with three replications in the research farm of the university of Zabol. Experimental factors were nitrogen (N) fertilizer at four levels (0, 160, 240 and 320 kg ha-1 N as urea) and nitroxin at two levels (inoculated and non-inoculated). Nitroxin application significantly increased plant height, number of lateral branches, 1000-seed weight, number of seeds per capsule, number of capsules per plant, seed yield, oil yield, and protein content. When 240 kg ha-1 of urea was applied, number of lateral branches, 1000-seed weight, number of seeds per capsule, number of capsules per plant, and protein content increased by 50, 12, 18, 45 and 11%, respectively. The interaction of treatments revealed that inoculation of seeds with nitroxin along with 75% recommended N application increases plant height, seed and oil yield, respectively, by 28, 58 and 56% compared with non-inoculated seed and non N fertilizer application. generalley the results indicated that besides improving of growth condition, seed inoculation with nitroxin can be usefull in reduction of the application of chemical nitrogen fertilizers.
Marefat Mostafavi Rad, Esmaeil Jadidi, Taghi Babaei, Mohammad Hossein Ansari,
Volume 2, Issue 1 (9-2015)
Abstract

Deficiency of soil nutrient elements is one of the most important restricting factors of crop production. Hence, management of nutrition is necessary for optimizing of plant growth, yield increment and sustainability of crop production. In order to evaluate growth stages and some quantitative indices in winter rapeseed (Brassica napus L.) cultivars as affected by micronutrient fertilizers, a field experiment was performed in 2010-2011 cropping seasons as a split plot arranged in randomized complete block design with three replications in Arak, Iran. Eight micronutrient fertilizers (Zero as control, Fe, Zn, Mn, Fe + Zn, Fe + Mn, Zn + Mn, Fe + Zn + Mn) and four rapeseed cultivars (Zarfam, Okapi, Modena and Licord) were randomized in main plots and subplots, respectively. The result showed that, Okapi cultivar had the highest grain yield under no fertilization treatment (4194 kg/ha) and Zn + Mn (4011 kg/ha) treatments, respectively. Licord cultivar produced the highest grain yield (3998 kg/ha) at Mn treatment, but there were no significant differences between fertilizer levels. Okapi variety showed the highest biological yield as affected by Fe + Zn (13666 kg/ha), Zn + Mn (13221 kg/ha) and control (12944 kg/ha) treatments, respectively. In this experiment, the interaction between Licord Mn, Licord (Fe + Zn + Mn) and Okapi (Fe + Zn + Mn) had the highest harvest index (35.46, 34.77 and 32.23 percent), respectively. In addition, the interaction between Licord (Fe + Zn + Mn) showed the highest silique number (369.86) per plant. In general, seed yield and its component in rapeseed varieties showed different responses to micronutrient fertilizers. According to the results of this experiment, cultivation of Okapi and Licord varieties and application of Mn and Mn + Zn fertilizers cased to enhance seed yield of canola in Arak climatic conditions.



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سامانه نشریات دانشگاه یاسوج - مجله تولید گیاهان روغنی Journal of Oil Plants Production
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