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Showing 2 results for Asgharipour

Parviz Yadollahi, Mohammad R. Asgharipour, Nooralah Kheiri, Asghar Ghaderi,
Volume 1, Issue 2 (Journal of Oil Plants Production 2015)

Management of organic fertilizers in terms of environmental impact and crop yield is important, especially in arid and semiarid regions. The objectives of this work were to evaluate the effect of drought stress and organic fertilizer on some morphological and yield components of safflower. The experiment was conducted as a split-plot based on a randumaized complet block design with three drought stresses: irrigation at 35, 55 and 75% of ready available water (RAW) depletion comprising the main-plot, and four fertilization systems: non-application (control), application of 40 tons of compost ha-1, humic acid spraying (1.5 g per litr) and combining compost and humic acid as sub-plot that were applied with three replications. The experiment was conducted in 2013 at the Zabol University research farm in Zabol, south Iran. Drought stress reduced oil yield, chlorophyll fluorescence and membrane stability. Delays in irrigation by 75% RAW depletion reduced oil yield by 68.6% compared with the control. Organic fertilizer application increased oil content and oil yield, membrane stability, carbohydrates, peroxidase, catalase and guaiacol peroxidase activiteis. Integrated application of compost and humic acid increased oil yield by 99.7% over the control. Application of humic acid and compost can be combined to develop safflower cultivation in Sistan, especially in mild stress conditions.
Madine Bijani, Parviz Yadollahi, Mohammad R. Asgharipour, Saeide Soleimani, Malihe Latifi,
Volume 1, Issue 2 (Journal of Oil Plants Production 2015)

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.

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