نتایج جستجو برای: phosphate fertilizer

تعداد نتایج: 122010  

Journal: :Frontiers in Environmental Science 2022

The excessive application of phosphorus (P) fertilizer is becoming a major agricultural problem, which reduces the utilization rate P and degrades soil quality. following five treatments were investigated to know how they affect properties, enzyme activity, bacterial fungal community structure. 1) no (P0); 2) farmers’ traditional fertilization scheme (FP); 3) 30% reduction in (P1, microbial ble...

2014
W. Yu X. Ding S. Xue S. Li X. Liao R. Wang

In this study, poultry manure compost and organic fertilizer were added to soils derived from basalt, granite, and river alluvial deposits for use as soil parent materials. Following incubation periods of 30 or 60 days at 25 °C, the physical and chemical properties and adsorption characteristics of the soils were studied. The results indicated that the application of poultry manure compost or o...

2017
M. BETH HYDER

The effects of nutrient enrichment (i.e., application of sewage sludge and fertilizer) on a 6-yearold-field community were investigated. Vegetation was harvested in eight 0.1-ha plots comprising three treatments. Three plots were treated five times annually (May-September) with sludge; three plots were treated with an equivalent nutrient subsidy of urea-phosphate fertilizer; and two plots were ...

حسن زاده قورت تپه, عبدالله, مطلبی زاده, بهناز,

In order to investigate the effect of bio-fertilizers on the yield and yield components of flax lines, a study was conducted during 2010 growing season at the Agricultural Research Station of Saatlo in Urmia. A split plot design based on randomized complete blocks with four replications was performed in this study. Main factor (a) consisted of fertilizer application form (a1 = control without n...

Journal: :iran agricultural research 2015
a. habibi g. heidari y. sohrabi h. badakhshan

abstract- to investigate the effects of bio-chemical and organic fertilizers on yield and seeds npk contents of pumpkin (cucurbita pepo var. styriaca), an experiment was conducted at the research farm of kurdistan university in 2009 growing season. treatments were included 1) control, 2) seeds inoculated with free-living n fixing bacteria (nfb), 3) seeds inoculated with phosphate-solubilizing b...

Journal: :Plant physiology 2015
Baoyuan Qu Xue He Jing Wang Yanyan Zhao Wan Teng An Shao Xueqiang Zhao Wenying Ma Junyi Wang Bin Li Zhensheng Li Yiping Tong

Increasing fertilizer consumption has led to low fertilizer use efficiency and environmental problems. Identifying nutrient-efficient genes will facilitate the breeding of crops with improved fertilizer use efficiency. This research performed a genome-wide sequence analysis of the A (NFYA), B (NFYB), and C (NFYC) subunits of Nuclear Factor Y (NF-Y) in wheat (Triticum aestivum) and further inves...

Journal: :به زراعی کشاورزی 0
زهرا احمدآبادی دانشجوی کارشناسی ارشد رشته مهندسی علوم خاک، دانشکده کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری مهدی قاجار سپانلو استادیار گروه مهندسی علوم خاک، دانشکده کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری محمد علی بهمنیار دانشیار گروه مهندسی علوم خاک، دانشکده کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری

in order to investigate the effect of vermicompost (vc) application on amount of micro elements in soil and plant organs of the medicinal plant of borage (borago officinalis), an experiment was carried out in split plot based on complete randomized block design with three replications in the research farm of the sari university of agricultural science and natural resources. fertilizer treatment...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران - دانشکده مهندسی شیمی 1386

مصرف کود شیمیایی یکی از نیازهای حیاتی گیاه را تامین می کند کمبود عناصری همچون ازت فسفر، پتاسیم، گوگرد وسایر عناصر مورد نیاز گیاه می تواند از طریق کودهای شیمیایی تامین می گردد. دسته مهمی از کودهای شیمیایی مورداستفاده در ایران کودهای ازته هستند حلالیت بالای کودهای ازته و در نتیجه اتلاف مقادیر زیاد آنها سبب کاهش کارایی و بازده مصرف این کود درکشور گردیدهاست به همین دلیل مدیریت مصرف ازت در کشور از ا...

سپهر, ابراهیم , موسوی, رقیه ,

In order to investigate phosphorus efficiency (PE) of the barley genotypes in the presence of phosphate-solubilizing microorganisms (PSMs), a greenhouse factorial experiment was conducted as a completely randomized blocks design and 3 replications with 10 Iranian and foreign barley genotypes. The effects of different phosphorus (P) fertilizer treatments including control (P0), phosphate rock (R...

2017

Chromium is commonly present in the surroundings as a result of its natural occurrence, human activities from industries and agriculture [1]. Most industrial processes produce metals as byproduct in the ecosystem, and these may end-up in tissues of bird species existing in such natural ecosystems [2]. In most cases, the concentration may be higher than the permissible limit in avian species. Ch...

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