نتایج جستجو برای: fertilizer application in sugar beet cultivation were investigated in each area

تعداد نتایج: 17259147  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

learning a second or foreign language requires the manipulation of four main skills, namely, listening, reading, speaking, and writing which lead to effective communication. it is obvious that vocabulary is an indispensible part of any communication, so without a vocabulary, no meaningful communication can take place and meaningful communication relies heavily on vocabulary. one fundamental fac...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1390

abstract: advertisements are the most accessible type of authentic materials, and this is one reason why they are used more and more in english teaching classes. for this cause, studies in the field of advertisements are very widespread nowadays. for pun is one aspect which makes advertisements more interesting, it is used more than before in advertisements. use of puns makes an advertisement m...

Jahangir Khajehali Roshanak Ghorbani

The beet armyworm, Spodoptera exigua, is one of the most important pests of sugar beet in Iran. The aim of this study was to determine the effect of water and nitrogen treatments of sugar beet planton developmental time and fecundity life table parameters of the pest. An experiment was carried out under laboratory conditions (25±2oC, 70±5% R.H. and 12L: 12D) on larvae reared...

2013

The EU sugar industry has a long tradition of maximising the use of co-products arising from the beet processing operation, all of which are used in productive applications. In fact, sugar factories are not only suppliers of sugar, but also produce other products, such as animal feed. All parts of the beet are used and converted into valuable products, without waste. These products are for the ...

Jahangir Khajehali Roshanak Ghorbani

The beet armyworm, Spodoptera exigua, is one of the most important pests of sugar beet in Iran. The aim of this study was to determine the effect of water and nitrogen treatments of sugar beet planton developmental time and fecundity life table parameters of the pest. An experiment was carried out under laboratory conditions (25±2oC, 70±5% R.H. and 12L: 12D) on larvae reared...

Jahangir Khajehali Roshanak Ghorbani

The beet armyworm, Spodoptera exigua, is one of the most important pests of sugar beet in Iran. The aim of this study was to determine the effect of water and nitrogen treatments of sugar beet planton developmental time and fecundity life table parameters of the pest. An experiment was carried out under laboratory conditions (25±2oC, 70±5% R.H. and 12L: 12D) on larvae reared...

Jahangir Khajehali Roshanak Ghorbani

The beet armyworm, Spodoptera exigua, is one of the most important pests of sugar beet in Iran. The aim of this study was to determine the effect of water and nitrogen treatments of sugar beet planton developmental time and fecundity life table parameters of the pest. An experiment was carried out under laboratory conditions (25±2oC, 70±5% R.H. and 12L: 12D) on larvae reared...

Journal: :اقتصاد و توسعه کشاورزی 0
محسن تبرایی خدیجه پارساپور سعید عابد

abstract the purpose of this study is investigating factors affect on probability of willingness to pay sugar beet farmers for taking of agricultural extension services. logit model was used for cross sectional data in 2009 between 150 sugar beet farmers that were selected by random sampling in the city of mashhad. in addition, tobit model was used to analyse factors affecting on willingness to...

Journal: :تحقیقات مهندسی کشاورزی 0
صادق افضلی نیا عضو هیئت علمی بخش تحقیقات فنی مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی فارس محمود نیرومند جهرمی کارشناس بخش تحقیقات اصلاح و تهیه بذر چغندرقند مرکز تحقیقات کشاورزی و منابع طبیعی فارس دادگر محمدی عضو هیئت علمی دفتر بررسی های اقتصادی طرح های تحقیقاتی فارس

in this study, the performance of different cultivation methods on sugar beet fields was evaluated. eight treatments were considered: a) use of a rolling cultivator twice during the growing season; b) use of a rolling cultivator three times during the growing season; c) use of a crescent cultivator twice during the growing season; d) use of a crescent cultivator three times during the growing s...

Journal: :چغندرقند 0
حسنعلی شهبازی مربی مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی اردوان ذوالفقاران مربی مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی علیرضا قائمی استادیار مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی مسعود احمدی استادیار مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی رحیم محمدیان دانشیار مؤسسه تحقیقات چغندرقند

to determine the effects of different irrigation and salinity levels on qualitative and quantitative yield of sugar beet, an experiment was conducted for two years (2006-07)at torogh agricultural research center, mashhad, iran, using two sprinkler systems. each of the two irrigation systems was connected to two water sources with 1 and 6 ds/m salinity. irrigation was performed via two sprinkler...

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