نتایج جستجو برای: planting time

تعداد نتایج: 1902763  

شهسواری, محمد رضا, یساری, طلعت,

  Using growing degree days (GDD) for expression of duration of plants’ developmental stages is preferred over calendar time. Therefore, determination of GDD and zoning of regions is very important for on time and correct agronomic practices and also for better land use. To determine the required GDD for developmental stages of spring safflower cultivars, the data obtained from planting-date ex...

Journal: :علوم باغبانی 0
علیرضا دادخواه محمد کافی قربانعلی رسام

abstract in order to study the effect of planting season (autumn and spring) and plant density on growth traits and flower yield (dry weight of flower) of matricaria (matricaria chamomilla), an experiment was carried out at the research field of agricultural faculty of shirvan, affiliated to ferdowsi university of mashhad. a split plot design with two factors, including planting time and plant ...

1999
P.C Sharma P.B Kanjilal

A field trial was conducted at the research farm of RRL, Jorhat during 1995 and 1996 to study the performance of Mentha Piperita under varying dates of planting and row spacings, maximum herbage and oil yield were obtained from January plants crops. Yield deceased when planting was delayed planting at a closer row spacing of 45 cm recorded the maximum herbage yield of 61'92 q/a while the yield ...

Journal: :IOP Conference Series: Earth and Environmental Science 2021

Journal: :Journal of environmental biology 2006
A Almodares S M Mostafafi Darany

This experiment was conducted at Azad University experiment station to evaluate the effects of planting date and time of nitrogen application on yield and sugar content of sweet sorghum in 2003. Four planting dates (May 4, March 19, June 3 and June 18) and three stages of nitrogen application (3-5/8 leaf stage, boot stage and soft dough stage) were assigned to the main and subplots, respectivel...

Journal: :Journal of nematology 1989
E Cabanillas K R Barker

Microplot experiments were conducted to evaluate the effects of inoculum level and time of application of Paecilomyces lilacinus on the protection of tomato against MeIoidogyne incognita. The best protection against M. incognita was attained with 10 and 20 g of fungus-infested wheat kernels per microplot which resulted in a threefold and fourfold increase in tomato yield, respectively, compared...

2012
Marijn van der Velde Linda See Steffen Fritz Frank G A Verheijen Nikolay Khabarov Michael Obersteiner

This paper demonstrates the potential of using Web search volumes for generating crop specific planting and harvesting dates in the USA integrating climatic, social and technological factors affecting crop calendars. Using Google Insights for Search, clear peaks in volume occur at times of planting and harvest at the national level, which were used to derive corn specific planting and harvestin...

Journal: :مدیریت آب و آبیاری 0
عباس ستوده نیا استادیار، گروه مهندسی آب، دانشگاه بین المللی امام خمینی (ره)، قزوین - ایران. بهنوش کمالی دانشجوی کارشناسی ارشد آبیاری و زهکشی، گروه مهندسی آب، دانشگاه بین المللی امام خمینی (ره)، قزوین - ایران مسعود سلطانی دانشجوی دکتری آبیاری و زهکشی، گروه مهندسی آب، پردیس ابوریحان، دانشگاه تهران، پاکدشت - ایران

planting at the right time and supplemental irrigation are considered as the effective management practices in increasing rain productivity and rainfed lentil yield and have been discussed in several studies. in this study, the suitable planting date and supplemental irrigation time for lentil in qazvin weather conditions were examined in a computerized model. in this model, soil water content ...

Journal: :Arthropod Management Tests 2000

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