نتایج جستجو برای: weeding at 50 day after planting dap and

تعداد نتایج: 17402669  

Journal: :چغندرقند 0
محمدرضا جهاد اکبر اعضای هئیت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان اصفهان رضا طباطبایی نیم آورد اعضای هئیت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان اصفهان حمیدرضا ابراهیمیان اعضای هئیت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان اصفهان

to study the critical period of weeds competition with sugar beet and determine the duration that the crop can tolerate the weeds, a field experiment was carried out at esfahan agicultural research center, in kabotarabad-esfahan during 1999-2000.  the experiment conducted in rcb design with 14 treatments and four replications. the treatments included control throughout the growth season (as a c...

Journal: :بوم شناسی کشاورزی 0
مهدی دهمرده عباس کشته گر

in order to study the sowing system, row distance and weeding effect on yield and yield components of intercropped maize with peanut, this experiment was conducted, as factorial based on a rcbd with three replications at the research farm of agriculture center of zabol university (iran) during growing season 2011- 2012. sowing system were four levels including sole maize, sole peanut, 50% maize...

ژورنال: علوم آب و خاک 2004
محمدرضا خواجه‌پور, , نصرت اله داداشی, ,

A field experiment was conducted in 2000 at the Agricultural Research Station, Isfahan University of Technology, to model the response of four safflower genotypes to day length and temperature changes under field conditions. Five planting dates (March 12, April 12, May 10, June 8, and July 12) and four safflower genotypes (Arak 2811, local variety Koseh, Nebraska 10 and Varamin 295) were evalua...

2012

Effects of NPK 15:15:15 compound fertilizer and planting season on flowering and sex expression of pumpkin were analyzed at the Teaching and Research Farm, Obafemi Awolowo University, Ile-Ife, Nigeria in year 2010. Results deciphered that day to 50% flowering, number of male and female flowers responded to season than fertilizer rates. Late season planting reached 50% flowering 5 days earlier t...

ارزانی, احمد , بانکه ساز, احمد, صلواتی, محمدرضا , میرلوحی, آقافخر,

This study was conducted to evaluate the responses of Iranian commercial genotypes of maize (hybrids and their inbred lines) to callus induction and plant regeneration, using mature embryos. Twenty five genotypes comprising of 12 inbred lines, 11 single cross hybrids, 1 double cross hybrid and 1 composite cultivar were used. Mature embryos of the genotypes were plated on MS and N6 media. Callus...

2013
J. Nejadi

In this research effects of active toothed coulter on planter penetration in semi-dried soils covered with previous wheat (Triticum aestivum) residue was studied. Therefore, effects of three levels of speed ratio (coulter peripheral speed/tractor forward speed; 1.22, 2, 3) at two previous residue levels (baled and non-baled) and two modes of planter attachment (with and without row cleaner) on ...

Journal: :International journal of advanced research 2021

This experiment was a factorial randomized block design (RAK). The screen house used the of experimental garden Faculty Agricultural and Animal Sciences, Indonesian National Islamic University. land taken from coast Kuala Kab. Bireuen, Aceh. Soil top soil layer with depth 0-25 cm. Mycorrhizae were placed in planting holes around root area at 2-3 cm according to treatment per plant before seeds ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1389

introduction: diabetes mellitus is an growing national and international public health concern. the number of people affected by diabetes in world by 2030 will be 69% in developing countries. regular physical activity plays a key role in the management of type 2 diabetes melitus, particularly glycemic control. it has been recommended that peoples with type 2 diabetes participate in moderate-int...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده علوم پایه 1388

introduction acetic acid bacteria are large group of obligate aerobic gram negative bacteria with the ability to oxidize ethanol to acetic acid (1). they are widely distributed in natural habitats and classified in family acetobacteraceae. members of this family are useful in industrial production of vinegar(2). acetic acid bacteria (aab) can use substrates as glucose, ethanol, lactate or glyc...

Journal: :پژوهش های زراعی ایران 0
علی قنبری مهدی افشاری علی اصغر محمدآبادی

in order to examine of the weed damage on corn and determination of the most suitable index for corn (zea mays l.) yield reduction in field condition and multi-species weed competition, an experiment as an interval mapping was carried out in the researching field of mashhad university during 2008-2009. treatments were complete control (pre-planting treflan and hand weeding), no control (no herb...

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