نتایج جستجو برای: 100 chemical fertilizer

تعداد نتایج: 786864  

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...

Journal: :پژوهش های زراعی ایران 0
علیرضا کوچکی مژگان ثابت تیموری

in order to investigate the effect of fertilizer types and irrigation regimes on quality criteria of three medicinal plants: lavander, rosemary and hyssop, an experiment was conducted at research field of faculty of agriculture, ferdowsi university of mashhad, during two growing years of 2007-2009. a split plot design with three replications was used. treatments were three irrigation intervals ...

2012
G. G. E. OSUAGWU H. O. EDEOGA

The influence of inorganic fertilizer application on the flavonoid, phenol and steroid content of the leaves of Ocimum gratissimum and Gongronema latifolium was investigated. Cultivated O. gratissimum and G. latifolium were treated with NPK (15:15:15) inorganic fertilizer at 100 kg/ha, 200 kg/ha, 300 kg/ha, 400 kg/ha and 500 kg/ha treatment levels in plastic planting buckets derived using the f...

2012
F. M. Oloyede I. O. Obisesan G. O. Agbaje E. M. Obuotor

An investigation of the proximate composition and antioxidant profile of pumpkin seeds obtained from different levels of NPK 15 : 15 : 15 compound fertilizer application at the Obafemi Awolowo University, Ile-Ife, Nigeria was carried out. Pumpkin seeds were grown in 2010 for two cropping seasons (May to August and August to November), and the following fertilizer rates were applied: 0, 50, 100,...

Journal: :علوم گیاهان زراعی ایران 0
سید کاظم صباغ دانشیار، گروه زیست شناسی، پردیس علوم، دانشگاه یزد بصیرا کرمانی زاده دانشجوی کارشناسی ارشد، گروه خاکشناسی، دانشکدة آب و خاک، دانشگاه زابل احمد غلامعلی زاده آهنگر دانشیار، گروه خاکشناسی، دانشکدة آب و خاک، دانشگاه زابل علیرضا سیروس مهر استادیار، گروه زراعت دانشکدة کشاورزی، دانشگاه زابل

fusarium head blight (fhb) disease caused by fusarium graminearum is one of the most destructive diseases of wheat that in addition to the loss of product quality and quantity is able to produce the dangerous carcinogenic toxins in human and animals. in this study, the effects of different fertilizer treatments (vermicompost, chemical fertilizer and mycorrhiza) on performance components and exp...

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...

Journal: :پژوهش های زراعی ایران 0
ویدا ورناصری قند علی پرویز رضوانی مقدم سرور خرم دل

introduction canary seed (phalaris canariensis l.) is a forage plant from poaceae family. this plant is drought tolerant. canary seed is originally a native to mediterranean region, which can be grown commercially in several parts of the word, especially in semi-arid conditions. increasing growth of population and lack of ability of pastures to satisfy the food requirement of animal has led to ...

Journal: :چغندرقند 0
حمید محمدی اعضا هیئت علمی دانشگاه آزاد اسلامی واحد جهرم

the main objective of this study was to determine the economical level of inputs applied in production of sugar beet by eglid region farmers. therefore data set was obtained from 55 farmers through interview and completing questionnaire. the farmers were selected based on a two-stage random sampling method.  marginal productivity of inputs was studied using cobb –douglasand transendental produc...

Journal: :پژوهش های زراعی ایران 0
علیرضا کوچکی مژگان ثابت تیموری

in order to investigate the effects of fertilizer types and irrigation regimes on quantitative criteria of three medicinal plants: lavander, rosemary and hyssop, an experiment was conducted at research field of faculty of agriculture, ferdowsi university of mashhad, during two growing years of 2007-2010. a split-split plot design with three replications was used. treatments were three irrigatio...

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