نتایج جستجو برای: current soil p test methods such olsen

تعداد نتایج: 5069783  

Javad Motamedi Mahshid Souri,

Knowledge of physiological and environmental factors is important for foragegrass production. Festuca ovina is a grass species adapted to Azerbaijan region climate,Iran. This species is a valuable source for forage production and soil conservation.Nitrogen (N), Phosphorus (P) and Potassium (K) are three most important plant nutrients.The aims of present study were to investigate the effects of ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده زبانهای خارجی 1389

previous studies have aimed at testing a hypothesis but the present study is data-first research in which researcher tries to form a theory from data rather than the use of data to test a hypothesis. this study aims at exploring teachers perceptions of the strengths and weaknesses of the current syllabus for college preparatory course. eight experienced teachers were selected to collect data du...

Journal: :Journal of the Korea Academia-Industrial cooperation Society 2009

2009
Artur M. Banach Antoine J. M. Smits Jan G. M. Roelofs Leon P. M. Lamers

The frequency of summer flood events has strongly increased in Eastern Europe during the last decades. The creation of water storage areas to avoid flooding is often combined with the recreation of more natural and biodiverse riverine systems. This urges the need to understand the consequences of summer inundation, when microbial activity is significantly higher than during winter inundation, f...

پایان نامه :0 1374

the aim of this study has been to find answers for the following questions: 1. what is the effect of immediate correction on students pronunciation errors? 2. what would be the effect of teaching the more rgular patterns of english pronunciation? 3. is there any significant difference between the two methods of dealing with pronuciation errore, i. e., correction and the teaching of the regular ...

2013
Thomas Olsen

By Thomas Olsen, MD, PhD The calculation of IOL power in an eye that has undergone corneal refractive surgery is not a straightforward task. However, if you understand why the calculation may go wrong, you will have a fair chance of getting a good result using modern technology. It is important to understand that the calculation errors of post-LASIK eyes are the sum of the traditional errors pl...

Journal: :journal of rangeland science 2015
mahshid souri javad motamedi

knowledge of physiological and environmental factors is important for foragegrass production. festuca ovina is a grass species adapted to azerbaijan region climate,iran. this species is a valuable source for forage production and soil conservation.nitrogen (n), phosphorus (p) and potassium (k) are three most important plant nutrients.the aims of present study were to investigate the effects of ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی عمران 1388

چکیده روش های متعددی برای برآورد رواناب حاصل از بارش در حوضه های آبریز وجود دارد. یکی از این روش ها استفاده از مدل های هیدرولوژیکی است. با استفاده از مدل های هیدرولوژیکی و شبیه سازی فرآیندهای هیدرولوژیکی می توان با صرف کمترین زمان و هزینه، رواناب و مولفه های دیگر چرخ? هیدرولوژیکی را برآورد کرد. از آنجا که در حوضه های آبریز اندازه گیری تمام کمیت های مورد نیاز برای تحلیل رواناب ممکن نیست، انتخاب...

ژورنال: علوم آب و خاک 2014
حسن توفیقی, , نصرت‌اله نجفی, ,

Phosphorus behavior in waterlogged soils is significantly different from non-waterlogged soils. Changes in available phosphorus and inorganic phosphorus fractions after waterlogging in the paddy soils of north of Iran were studied in a laboratory research. A factorial experiment in a completely randomized design with two replications was performed with factors of soil at 14 levels (10 alkaline-...

Journal: :jundishapur journal of microbiology 0
norma elena rojas-ruiz centro de investigaciones en ciencias microbiológicas, de la instituto de ciencias, de la benemérita universidad autónoma de puebla, puebla, méxico estibaliz sansinenea-royano centro de investigaciones en ciencias microbiológicas, de la instituto de ciencias, de la benemérita universidad autónoma de puebla, puebla, méxico maria lilia cedillo-ramirez centro de investigaciones en ciencias microbiológicas, de la instituto de ciencias, de la benemérita universidad autónoma de puebla, puebla, méxico rodolfo marsch-moreno departamento de biotecnología y bioingeniería, centro de investigación y de estudios avanzados del instituto politécnico nacional (cinvestav-ipn), ciudad de méxico, méxico patricia sanchez-alonso centro de investigaciones en ciencias microbiológicas, de la instituto de ciencias, de la benemérita universidad autónoma de puebla, puebla, méxico candelario vazquez-cruz centro de investigaciones en ciencias microbiológicas, de la instituto de ciencias, de la benemérita universidad autónoma de puebla, puebla, méxico; centro de investigaciones en ciencias microbiológicas, de la instituto de ciencias, de la benemérita universidad autónoma de puebla, puebla, méxico. tel: +52-2222295500, fax: +52-2222295650

conclusions bacillus thuringiensis is very sensitive to the interaction of p. fluorescens, however is capable to survive in soil due to its capacity of sporulate. some of the cells in the form of spores germinated and folded slightly and remained in a constant cycle of sporulation and germination. this confirms that b. thuringiensis ips82 can germinate, grow and sporulate in soil. results the a...

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