نتایج جستجو برای: no phosphorous chemical fertilizer application and no biological fertilizer

تعداد نتایج: 17581049  

ژورنال: علوم آب و خاک 2009
احمدی, مصطفی, بحرانی, محمد جعفر,

A study was conducted in 2007 to investigate the effect of nitrogen fertilizer rates (0, 30, 60 Kg ha-1) on some agronomic characteristics, seed yield and oil percentage in three Sesame(Sesamum indicum L.) cultivars (Dashtestan, Darab 14, and Zarghan) in Kaki region (Bushehr Province). The type of design was completely randomized block with factorial arrangement and three replications. Nitrogen...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0

the saffron understanding the factors that increased the quality and quantity of product in order to achieve optimum performance it is important, in this regard, the use of fertilizers and different densities corm are the most important factor. in this regard, an experiment in 1394 to factorial design in a randomized complete block design with three replications in the village davoodabad locate...

Journal: :Journal of environmental sciences 2007
Shu-Cai Zeng Bei-Guang Chen Cheng-Ai Jiang Qi-Tang Wu

Growing fruit trees on the slopes of rolling hills in South China was causing serious environmental problems because of heavy application of chemical fertilizers and soil erosion. Suitable sources of fertilizers and proper rates of applications were of key importance to both crop yields and environmental protection. In this article, the impact of four fertilizers, i.e., inorganic compound ferti...

Journal: :به زراعی کشاورزی 0
مهدی رمضانی دانشجوی دکتری زراعت، دانشکدة کشاورزی، دانشگاه گیلان، رشت – ایران سید محمدرضا احتشامی استادیار گروه زراعت، دانشکدة کشاورزی، دانشگاه گیلان، رشت - ایران محسن شریفی دانشیار، گروه علوم گیاهی، دانشکدة علوم زیستی، دانشگاه تربیت مدرس، تهران - ایران محمدرضا چائی چی استاد گروه زراعت، دانشکدة کشاورزی، دانشگاه تهران، کرج - ایران

in order to investigate the effect of different levels of biofertilizer inoculation and phosphorus chemical fertilizer on mineral elements absorption in forage corn sc. 540 under humidity regimes, an experiment was conducted as line source based on a randomized completele block design with three replications during two growing seasons of 2012 and 2013. the implementation of line source was appl...

2015
Kamil Sabier Saeed Sarkawt Abdulla Ahmed Ismael Ahmaed Hassan Hamed Ahmed

A comparative study on the effect of chemical fertilizers and bio-fertilizers was done on growth and biochemical parameters in cucumber plant (Cucumis sativus L.). An experiment was conducted in randomized completely blocks design (RCBD) with four replicates. The treatment were (T1= control, T2= bio-fertilizer, T3= chemical and T4= combination treatment (biofertilizer and 1⁄2 chemical)) at Agri...

2015
Hamed Ahmed

A comparative study on the effect of chemical fertilizers and bio-fertilizers was done on growth and biochemical parameters in cucumber plant (Cucumis sativus). An experiment was conducted in Randomized Completely Blocks Design (RCBD) with four replicates. The treatment were (T1 = Control, T2 = Bio-fertilizer, T3 = Chemical and T4 = Combination treatment (biofertilizer and 1/2 chemical)) at Agr...

Journal: :پژوهش های زراعی ایران 0
سید کریم موسوی محمد فیضیان عبدالرضا احمدی

in order to evaluate the effect of different nitrogen application methods on yield and yield components of winter wheat, a field experiment with split plot arrangement in randomized completely blocks design with four replicates was conducted during 2006-07. basal dressing in three levels (with no basal dressing, strip and distributing nitrogen fertilizer) as main plot and top dressing in six le...

Journal: :بوم شناسی کشاورزی 0
آلاله متقیان همت اله پیردشتی محمدعلی بهمنیار

recently, increase in crop production depends on better seedling establishment, emergence rate and uniformity. thus, an experiment was carried out in a randomized complete block design with 8 fertilizer treatments and 4 replications in 2008 at sari agricultural sciences and natural resources university. the aim of this research was to evaluate effect of vermicompost (vc) on bush bean seedling e...

Journal: :بوم شناسی کشاورزی 0
اسماعیل رضائی چیانه عادل دباغ محمدی نسب

biological fertilizers can be suitable alternative to chemical fertilizers to increase soil fertility and crop production in sustainable agriculture. in order to evaluation of integrated application of bio-fertilizers and chemical fertilizers on on quantitative and qualitative yield of ajowan in strip intercropping, a field experiment was conducted in a factorial design based on randomized comp...

Journal: :پژوهش های تولید گیاهی 0
رزیتا جشنی دانشگاه شهید چمران اسفندیار فاتح دانشگاه شهید چمران امیر آینه بند دانشگاه شهید چمران

in order to evaluate of biological fertilizers and micronutrient elements effects on yield and some agronomic traits in rapeseed (brassica napus l.), an experimental was performed as factorial arrengement based on randomized complete blocks design with three replications in 2012-13 in research station of shahid chamran university of ahvaz, iran. in this experiment, micronutrient elements were i...

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