نتایج جستجو برای: 1 along with three planting patterns row

تعداد نتایج: 10568925  

Journal: :Revista Brasileira de Engenharia Agrícola e Ambiental 2015

2005
R. L. Baumhardt

ett, 1999), planted early and at low populations; thus, relying on the sorghum hybrid to adapt to the growing Typical planting recommendations for dryland grain sorghum [Sorconditions by tillering. Research by Jones and Johnson ghum bicolor (L.) Moench] in the southern High Plains are to delay (1991, 1997) demonstrated that the optimum planting date, until soil water is adequate for crop establ...

In order to evaluate the intercropping of barley-faba bean and choose the best planting pattern a field experiment was conducted in the growing seasons of 2015-2016 using a randomized complete block design with 8 treatments and 3 replications in Ramhormoz Khuzestan, Iran. The treatments were barley sole cropping with 20 cm spacing between rows, faba bean sole cropping with 40 cm spacing between...

2007
K. W. Freeman

Bed planted wheat systems offer a new alternative for the traditional wheat producer to provide opportunities for crop rotation, more efficient use of water, and new techniques of nutrient management. This study was conducted to determine if planting winter wheat (Triticum aestivum L.) in Oklahoma on raised beds can maintain grain yields while providing more options in the cropping system. Expe...

Journal: :پژوهش آب در کشاورزی 0
کرامت اخوان عضوهیات علمی موسسه تحقیقات فنی ومهندسی کشاورزی، استان اردبیل محمدرضا شیری عضوهیات علمی موسسه تحقیقات اصلاح وتهیه نهال وبذر، استان اردبیل فراهم کاظمی آذر کارشناس ارشد سازه های آبی، شرکت آب منطقه ای اردبیل

in order to study the effect of planting arrangements and water quantities in drip irrigation onyield of maize, an experiment was carried out using a spilt block based on randomizedcomplete block design for three years (2006-09) in moghan. the factorial experiment hadthree planting densities (75000, 85000 and 95000 plants per hectare ) with one- and two-rowscultivation (b1= one row cultivation ...

2017
Tanzeelur Rahman Xin Liu Sajad Hussain Shoaib Ahmed Guopeng Chen Feng Yang Lilian Chen Junbo Du Weiguo Liu Wenyu Yang

Optimum planting geometries have been shown to increase crop yields in maize-soybean intercrop systems. However, little is known about whether changes in planting geometry improve the seasonal water use of maize and soybean intercrops. We conducted two different field experiments in 2013 and 2014 to investigate the effects of changes in planting geometry on water use efficiency (WUE) and evapot...

Journal: Desert 2011
A. Sanadgol H. Azarnivand KH Mahdavi M. Jafari S. Babaei Kafaki

Increasing level of carbon dioxide CO2 due to industrial activity is primarily cause of global warming. Planting Artoplex lentiformis can help to reduce atmospheric CO2 buildup partly replacing use of fuels and by carbon storage. The objective of this study was to determine the effects of row spacing on carbon storage. A split- plot design with three replications included three row spacing (2×2...

بحرانی, محمدجعفر, فاضلی , علی‌اصغر, نادری, روح‌اله, یزدانی, عباس,

In order to evaluate the effects of planting methods and seeding rates on growth characteristics and yield of alfalfa (Medicago sativa L.), Hamedani cultivar, a field experiment was conducted in 2008 at College of Agriculture, Shiraz University, Iran. The experimental design was a completely randomized block with four replicates in a factorial arrangement of the treatments. The factors consiste...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم انسانی 1390

this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...

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 ...

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