نتایج جستجو برای: index were computed for 400 kg n ha

تعداد نتایج: 11443491  

حبیبی , صغری, مجیدیان, مجید,

In order to investigate the effect of source and rate of nitrogen fertilizer on yield and quality of sweet corn, a field study was conducted in 2011 cropping season in Agriculture Experiment Station of College of Agriculture, University of Guilan. A randomized complete block design with three replications was used. Treatment consisted of four levels of nitrogen fertilizer (0, 46, 92 and 138 kg ...

Ali Hosseini-Sharifabad, Mohammad Rabbani , Mohammad Sharifzadeh , Sara Molla Ali Akbari ,

Background: Alpha Methyldopa (AMD) is a well-known treatment for the pregnancy induced hypertension and commonly used in several countries. Indeed the possible effect of AMD on the behavioral activities of offspring, whom are exposed during fetus period, has not been studied. The present study evaluated the possible effect of maternal administration of AMD on the rat offspring memory in the gro...

Journal: :تولید گیاهان زراعی 0
عباس بناری دانشجوی سابق کارشناسی ارشد زراعت، دانشکده کشاورزی دانشگاه بیرجند محسن موسوی نیک دانشیار گروه زراعت، دانشکده کشاورزی، دانشگاه بیرجند محمد علی بهدانی دانشیار گروه زراعت، دانشکده کشاورزی، دانشگاه بیرجند حسین بشارتی عضو هیأت علمی مرکز تحقیقات خاک و آب ایران

in order to evaluate the effect of sulphur fertilizer and nitrogen split application on yield and its components of sunflower (helianthus annuus l .),an experiment was carried out at the research field of birjand faculty of agriculture in 2008 as factorial in complete randomized block design with three replicates.the treatments were sulphur fertilizer in four levels ( 0 , 200 , 400 and 800 kg/h...

Forest ecosystems are among the largest terrestrial carbon reservoirs on our planet earth thus playing a vital role in global carbon cycle. Presently, remote sensing techniques provide proper estimates of forest biomass and quantify carbon stocks. The present study has explored Landsat-8 sensor product and evaluated its application in biomass mapping and estimation. The specific objectives were...

Journal: :کشاورزی (منتشر نمی شود) 0
غلام عباس اکبری استادیار، گروه زراعت و اصلاح نباتات، پردیس ابوریحان، دانشگاه تهران، پاکدشت دیوید اسکارسبریک دانشیار دپارتمان کشاورزی، امپریال کالج وای، دانشگاه لندن، آشفورد ویلیام تد پیت دانشیار دپارتمان علوم بیولوژیف امپریال کالج وای، دانشگاه لندن، وای، آشفورد

two year field experiment was carried out on two early maturing varieties of soybean (glycine max (l.) men.) bred in russia. the purpose was to investigate the possibility of production and to study the effects of nitrogen supply on soybean seed yield and yield components. a range of zero to 100 kg n ha in 1995 when plants suffered from water deficiency and zero to 100 kg n ha -1 in 1996 when p...

حیدری, سعید, اقبالی, داریوش , دیرکوندی, سمیه , زیدی طولابی, نورا..., عزیزی, خسرو ,

In order to study effect of plant density on yield and seed yield components of forage vetch in rain-fed and supplemental irrigation conditions, two separate experiments were conducted at the research filed of faculty of agriculture, Lorestsn University, during 2008-2009. Three species of forage vetch (Vicia narbonensis, V. sativa and V. dasycarpa) and in three plant densities (100, 150 and 20...

Journal: :تولید گیاهان زراعی 0

in order to study the effect of different levels of nitrogen and sulfur fertilizers on yield, yield components, content of some elements, qualitative and quantitative traits of spring safflower (serin cv.) an experiment was conducted at agriculture and natural resource research station of ardabil in 2008. this experiment was carried out in factorial experiment in completely randomized block des...

بحرانی, محمدجعفر, هوشنگ جلالی, امیر,

The effect of N levels and planting densities on quantitative and qualitative characteristics of grain yield in grain sorghum (cv. Kimia) was studied in summer 1998 at Kushkak Agricultural Research Station, Shiraz University. The experiment was a spilt plot with 4 replications in which 4 levels of planting densities (7.7, 10, 15.4, 20 seeds m-2) were applied as main plots and 4 levels of N (0, ...

H. Nawaz M. Shafi S. Azam Shah, S. Mahmood Shah W. Mohammad

The effect of integrated use of mineral and organic N sources (farmyard manure, poultry manure, and Filter Cake) on yield and N uptake of wheat were assessed in biennial field experiment carried out on silty clay loam soil in Nuclear Institute for Food and Agriculture, Tarnab, Peshawar Pakistan during 2005-07. Combined dose of N provided from all sources was applied @120 kg ha-1. There were 17 ...

Journal: :تحقیقات مهندسی کشاورزی 0
ابراهیم امیری استادیار دانشگاه آزاد اسلامی واحد لاهیجان مسعود کاوسی استادیار پژوهش مؤسسه تحقیقات برنج کشور فریدون کاوه دانشیار دانشگاه آزاد اسلامی واحد علوم تحقیقات تهران

the models oryza2000, swap and wofost simulate the growth and development of rice under conditions of potential production and water limitation. the models were evaluated against a data set of field experiments. the study was laid out in rcbd with three replications for one traditional landrace, hashemi, carried out in 2005 at the rice research institute of iran in rasht. the irrigation managem...

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