نتایج جستجو برای: harvest index 2999 and 3067
تعداد نتایج: 16868465 فیلتر نتایج به سال:
over the past decades a number of approaches have been applied for forecasting mortality. in 1992, a new method for long-run forecast of the level and age pattern of mortality was published by lee and carter. this method was welcomed by many authors so it was extended through a wider class of generalized, parametric and nonlinear model. this model represents one of the most influential recent d...
in order to evaluate effects of iron, zinc and manganese, and the methods of applying them on yield and yield components of sweet corn (zea mays saccharata), an experiment was performed as factorial based on randomized complete block design with four replications at the research farm of urmia university. experimental factors were micronutrient fertilizers with four levels (control, iron, zinc a...
the present study aimed at investigating the effect of different levels of nitrogen on yield and yield components of bread and durum wheat. to this end the experiment was conducted in 2010-2011 in south west of iran as split plots based on randomized complete block design with three replications. main plot included four levels of nitrogen 60, 120, 180, 240 kg.ha-1 and the sub plot included four...
decreasing irrigation via partial root zoon drying (prd) save water and decreased production expenses. for comparing common irrigation and prd on tomato cv. falcato an experiment was designed in massey university of new zealand. treatments were control (irrigation in a field capacity in each irrigation to whole root zoon) and prd (irrigation in a half of field capacity in each irrigation to one...
In order to investigate the effect of different treatments of intercropping sugarcane with two types of legumes on some quantitative and qualitative propertys of sugarcane, an experiment was conducted in a randomized complete block design with 14 treatments and four replications in two locations in Ahvaz, Iran in 2016-2017. The treatments included: Pure Sugarcane, Pure Soybean, Pure Cowpea, Pu...
introduction grain legumes are considered as the second source of human nutrition after cereals and play an important role in community food supply, sustainable agriculture and economic profitability. among grain legumes, common bean has the most consumption in the world compared with others. however there are always some constraints in common bean production and drought is most important facto...
تأثیر آبیاری تکمیلی و تیمار پیش جوانهزنی بذر بر صفات کیفی، عملکرد علوفه تر و خشک ماشک رقم دیم مراغه
To evaluate the effect of supplemental irrigation and seed priming on yield and some quantity and quality characteristics of vetch (Vicia dasycarpa) rainfed maragheh cultivar, an experiment was carried out at the Research Farm of Faculty of Agriculture, University of Urmia, West Azarbaijan province, Iran, during 2011. The experiment was laid out using split-plot, based on Randomized Complete Bl...
Genetic diversity is the base of plant breeding. Hence, 33 M7 soybean mutant lines, which were evolved by γ ray from cultivar L17 irradiated with doses of 150, 200 and 250 Gray (absorbed dose), with L17 cultivar and two commercial cultivars (Clark and Williams) were evaluated in view of some morphological traits (number of leaves/plant, pods/plant, seeds/pod, seeds/plant, 100-seed weight, dry w...
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