نتایج جستجو برای: 100 chemical fertilizer

تعداد نتایج: 786864  

ژورنال: علوم آب و خاک 2017

In line with sustainable agriculture development, an experiment was conducted including tillage as the main factor in two conventional systems (plowing and mixing fertilizer with soil) and no tillage (leaving residuals of green manure and direct corn sowing). The fertilizer resources were T0: control, T1: barley green manure without chemical and manure fertilizers, T2: barley green manure with ...

Arvand, Mona, Sohrabi, Yousef,

Drought stress is one of the abiotic factors that reduces crop production. The use of biofertilizers can mitigate the negative effects of drought stress and reduce chemical inputs on agricultural systems. In order to investigate the effect of combined management of chemical and biological fertilizers on yield and quality-related traits of black cumin (Nigella sativa L.) under different irrigati...

Felora Shamoradi Seyed Keyvan Marashi,

In order to investigate the effect of sugarcane compost on consumption of nitrogenous fertilizers in corn fields, a research project was conducted according split plot experiment based on randomized complete block design with three replications along 2015 year. The main plot included different chemical nitrogenous fertilizer (Zero; control, 60 and 120 kg.ha-1 pure nitrogen from urea ...

Journal: :علوم گیاهان زراعی ایران 0
رقیه محمدپوروشوایی دانشجوی کارشناسی ارشد آگرواکولوژی، گروه زراعت، دانشکدة کشاورزی، دانشگاه زابل احمد قنبری استاد زراعت، گروه زراعت، دانشکدة کشاورزی، دانشگاه زابل براتعلی فاخری دانشیار اصلاح نباتات، گروه اصلاح نباتات و بیوتکنولوژی، دانشکدة کشاورزی، دانشگاه زابل

to evaluate the effect of chemical and bio-fertilizer on nitrogen, phosphorus and potash concentration, biochemical traits and calyxes yield of roselle, an experiment was conducted in the split plot based on randomized coplete block design with three replications, at the research station in zabol university, during 2013 and 2014. the main plot consisted of three levels: phosphorus, nitrogen and...

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...

2017
Rongting Ji Gangqiang Dong Weiming Shi

Organic fertilizers are generally thought to be an effective way to sustain soil fertility and plant growth. To promote the productivity of chrysanthemum, five sources of liquid organic fertilizers (L1–L5), as well as a chemical fertilizer, were applied at an early stage of the growth cycle to investigate their effects on plant growth. In the short-term pot experiment, the liquid organic fertil...

Journal: :پژوهش های زراعی ایران 0
نفیسه کمایستانی پرویز رضوانی مقدم محسن جهان فرهاد رجالی

in order to study the effects of single and combined applications of biofertilazer and organic fertilizers on quantitative and qualitative characteristics of anisum (pimpinella anisum), an experiment was conducted based on a randomized complete block design with three replications and fifteen treatments at research station, faculty of agriculture, ferdowsi university of mashhad, iran, in 2011 y...

2012
Nani Raut Bishal K. Sitaula

This paper assesses the origins of and changes to fertilizer policy in Nepal over a period of time. It assesses farmers’ awareness of the recent changes to the subsidy policy and examines their perceptions of the extension services. This paper looks at the environmental implications of the concentrated application of chemical fertilizer, particularly as far as food security is concerned. Questi...

Journal: :پژوهش های زراعی ایران 0
پرویز رضوانی مقدم ابوذر صبوری علی اصغر محمدآبادی روح اله مرادی

in order to evaluate the effects of different organic and chemical fertilizers on yield, yield components and seed oil content of sesame an experiment was conducted in a split plot layout based on randomized complete block design with four replications at research station, faculty of agriculture, ferdowsi university of mashhad in year 2006. four types of fertilizer, including chemical fertilize...

ژورنال: علوم زراعی ایران 2019
Amirnia, Reza, Asadi, Soheila, Rezaei-chiyaneh, Esmael,

To study the effect of fertilizer and planting pattern on chickpea and linseed plant traits in dryland farming, a field experiment was conducted in factorial layout based on randomized complete block design with three replications in Naqadeh, Iran during growing season of 2016-2017. Treatments were included six substitutive cropping patterns; sole cropping of chickpea, sole cropping of linseed,...

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