نتایج جستجو برای: chemical fertilizer

تعداد نتایج: 393935  

Journal: :بوم شناسی کشاورزی 0
مهسا اقحوانی شجری پرویز رضوانی مقدم رضا قربانی مهدی نصیری محلاتی

this experiment was conducted to study the effects of single and combined application of organic, biological and chemical fertilizers on qualitative and quantitative characteristics of vegetative part of coriander, (coriandrum sativum l.). the experiment was carried out as split plot in time based on complete randomized block design with three replications and 12 treatments at research station,...

Journal: :اقتصاد و توسعه کشاورزی 0
مسعود حسین زاده محمد قربانی

abstract unbalance using of chemical fertilizers cause decline the soil quality and fertility, environmental pollution and specially soil and water resources pollution. the use of animal manure is a replacement to chemical fertilizers. therefore, recognizing of demographic, technical-extensional and agronomic affect on farmer's decision making process to use of animal manure will have important...

امینی دهقی, مجید, حشمتی, سیاوش, فتحی امیرخیز , کیوان,

To study the effects of biological and chemical phosphorus on antioxidant enzyme activity in safflower under water deficit conditions, an experiment was conducted in 2012 at the Research Field of the Faculty of Agriculture, Shahed University, Tehran, Iran. The experimental design was a split-factorial with three replicates. The main factor was the three levels of irrigation treatment: full irri...

2013
Mengistu Ketema Siegfried Bauer Justus Liebig

Despite the fact that erosion undermines productivity in the Ethiopian highlands, adoption of fertility enhancing techniques remained very minimal. The objectives of this study is to examine factors affecting adoption of fertilize and manure use and their interrelationships using plot and household level data collected from 211 farm households. A two-stage probit model results revealed a negati...

2010
Ram Krishna Shrestha

Fertilizer is a vital input for agriculture production. With the growing popularity of modern agriculture, fertilizer consumption in Nepal has been increasing over the years. Since, Nepal does not produce any fertilizers, demand for fertilizers are being met through formal and informal imports. Over the years, fertilizer policy changes have been observed several times in a bid to satisfy farmer...

Rokhzadi, Asad, Talebi, Reza, Zafari, Jamil,

Considering the importance of organic fertilizers application and the necessity of minimizing the use of inorganic fertilizers, this experiment was conducted in order to study the possibility of replacing vermicompost and poultry manure instead of chemical fertilizers in the production of two improved chickpea cultivars under dryland conditions. The experiment was laid out in a factorial arrang...

Journal: :مدیریت خاک و تولید پایدار 0
مریم روستایی دانشگاه شهرکرد سیف اله فلاح عضو هیات علمی دانشکده کشاورزی، دانشگاه شهرکرد

in order to effects of fertilizer source and intercropping ratios on macronutrients concentration and uptake of fenugreek and black cumin, a factorial experiment was conducted as randomized complete block design with three replications at shahrekord university research farm in 2013. sole cropping of fenugreek (f) and sole cropping of black cumin (b) and three intercropping ratios (f:b 2:1, f:b ...

Journal: :علوم گیاهان زراعی ایران 0
صادق اسدی دانشگاه صنعتی شاهرود محمد رضا چایی چی پردیس کشاورزی و منابع طبیعی دانشگاه تهران حمید عباسدخت انشگاه صنعتی شاهرود حمید رضا اصغری انشگاه صنعتی شاهرود منوچهر قلی پور دانشگاه شاهرود

determining the best mixture of sorghum and fenugreek intercropping defines the best forage quality in medicinal forage production. this project was conducted to evaluate the effect of biological, chemical and integrated fertilizing systems on forage quantity and quality in sorghum and fenugreek intercropping. the experimental treatments were arranged as split plots based on randomized block de...

Journal: :مهندسی زراعی 0
اکرم احمدپور سفیدکوهی دانشجوی کارشناسی ارشد، دانشکده علوم زراعی، دانشگاه کشاورزی و منابع طبیعی ساری مهدی قاجار سپانلو دانشیار دانشکده علوم زراعی، دانشگاه کشاورزی و منابع طبیعی ساری محمدعلی بهمنیار دانشیار دانشکده علوم زراعی، دانشگاه کشاورزی و منابع طبیعی ساری

in order to investigate the effects of applying three and five continuous periods of municipal solid waste (msw) with and without npk chemical fertilizer on the amount of micronutrient uptake by different parts of wheat, a pot experiment was conducted in split plot based on randomized complete block design with four replications in 2009. the main plot was a six-fertilizers level including contr...

Adel Modhej, Anise Jorfi, Mojtaba Alavi Fazel

Bio-fertilizers are naturally occurring soil bacteria that aggressively colonize plant roots and benefit plants by providing growth promotion. This investigation was aimed at determining the effect of Nitroxin bio-fertilizer application on growth, inoculation and yield production of corn hybrids. An experiment was conducted as split plot on the basis of randomized complete block design with fou...

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