نتایج جستجو برای: density at three levels 60

تعداد نتایج: 5291871  

A. Klompanya S. Sangsoponjit W. Boontiam,

Two experiments were conducted to evaluate the effect of stocking density on growing-meat quail performance (experiment I) and the effect of dietary crude protein (CP) levels and stocking density on growth performance, nutrient retention, blood metabolites, and carcass weight of growing-meat quails under high ambient temperature (experiment II). Three hundred and eighty male growing-meat quails...

Journal: :بوم شناسی کشاورزی 0
محبوبه سردار محمد علی بهدانی سید وحید اسلامی سهراب محمودی

to evaluate the effect of combined use of different soil tillage methods and weed control on cotton yield, a split plot experiment based on randomized complete block design was conducted at the city of boshruyeh in 2012. experiment factors were tillage method as main-plots with three levels, including conventional tillage, no-till system and minimum tillage; and different methods of weed contro...

Journal: :تولید گیاهان زراعی 0

to evaluate the effect interference of mustard on yield and yield components of canola, and observation competition difference of mustard in pot and field condition, experiments were conducted in 2006 and 2007 in the greenhouse and farm of college of agriculture, ramin agricultural and natural resources university of khouzestan, respectively. pot experiment the factorial set of treatments was a...

2014
William Revelle David M. Condon

A three level model for personality dynamics and structure is proposed.

Eskandar Zand Ghorban Noormohammadi Mehdi Minbashi Samaneh Gholami,

To assess the effect of non chemical management of weed control on forage Sorghum (Sorghum bicolor) a field study was conducted in Varamin, Iran during 2010 crop year in a three- replicated- split factorial experiment laid out in randomized complete block design with four weeding levels (W1= one time cultivation at 3-leaf stage using a duck foot cultivator, W2<...

Eskandar Zand Ghorban Noormohammadi Mehdi Minbashi Samaneh Gholami,

To assess the effect of non chemical management of weed control on forage Sorghum (Sorghum bicolor) a field study was conducted in Varamin, Iran during 2010 crop year in a three- replicated- split factorial experiment laid out in randomized complete block design with four weeding levels (W1= one time cultivation at 3-leaf stage using a duck foot cultivator, W2<...

Eskandar Zand Ghorban Noormohammadi Mehdi Minbashi Samaneh Gholami,

To assess the effect of non chemical management of weed control on forage Sorghum (Sorghum bicolor) a field study was conducted in Varamin, Iran during 2010 crop year in a three- replicated- split factorial experiment laid out in randomized complete block design with four weeding levels (W1= one time cultivation at 3-leaf stage using a duck foot cultivator, W2<...

Journal: :محیط زیست طبیعی 0
مقداد جورغلامی استادیار گروه جنگلداری، دانشکده منابع طبیعی، دانشگاه تهران، ایران

in forest harvesting, there is an ongoing trend to increase constantly the size, power and load of logging machines. this may cause soil degradation in forest ecosystems as the passes of these machines modify important soil structural characteristics. the present study was conducted to examine impact of skidding traffic, trail slope, traffic frequency, and soil depth on bulk density and soil co...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی 1392

abstract due to the growing importance and influence of the self of the teacher in the field of educational and cognitive psychology, the current study intended to investigate the relationship between three teacher qualities and characteristics, i.e. teacher self efficacy, self regulation, and success as perceived by their learners. the study aimed at finding whether teacher self efficacy an...

Journal: :تولید گیاهان زراعی 0

evaluation of weed population and their interference on lentil varieties at different sowing date was investigated in a field experiment in khorramabad during 2005-06 growing season. the experimental design was a randomized complete block in factorial arrangement with 4 replications. the experiment had 3 factors including: planting date at three levels (autumn, winter, and spring) weed interfer...

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