نتایج جستجو برای: 1 root yield and 56 tha
تعداد نتایج: 17270821 فیلتر نتایج به سال:
this study was conducted to determine the effect of variable nitrogen supply on yield parameters of two sugar beet varieties, as well as on biomass allocation to different parts of sugar beet plant at safi-abad agric. res. center during 2003-4 and 2004-5. five nitrogen rates (0, 60, 120, 180 and 240 kgha-1) and two monogerm sugar beet varieties (shirin and rasol) arranged as factorial in a rand...
Rice is the principal agricaltural crop in most Asian contries,often accounting for more than half of total cropped area. In recent years,rice production in Iran has been increased from 2.4 million ton in 2000 to 3.1 million ton in 2003. This increase in rice production is highly attributed to the wide-scale adoption of improved rice cultivars. Kadous (IR64669-152-2-3) is a new high yielding ri...
in order to determine the optimum sowing and harvesting dates of two autumn sugar beet cultivars (bete vulgaris l.) and develop the planting area of this crop, the present research was conducted in fasa, iran during 2005-2008. the experiment was carried out in split-split plots based on randomized complete block design (rcbd) with four replications. three sowing dates (september 27, october 17 ...
the treatment of in completely formed pulpless teeth has presented considrable problems. these teeth have wide open apexes and the walls of the root canal diverge toward the apical tissues. mechanical preparation cannot be done in the normal manner beacause of the large initial size and the taper of apical part of the canal , a mechanical stop cannot be produced at the apex of the canal and , t...
Research was conducted during 1999 to 2009 to develop and introduce a new common millet (Panicum miliaceum) cultivar suitable for areas with short growing seasons in Iran. Several common millet populations collected from different locations of Iran were evaluated in research farm of Seed and Plant Improvement Institute in Karaj and based on yield, agronomic traits and tolerance to abiotic stres...
research was conducted during 1999 to 2009 to develop and introduce a new common millet (panicum miliaceum) cultivar suitable for areas with short growing seasons in iran. several common millet populations collected from different locations of iran were evaluated in research farm of seed and plant improvement institute in karaj and based on yield, agronomic traits and tolerance to abiotic stres...
tomato is the most important agricultural crops in bushehr province. this experiment was conducted on a randomized complete block design (r.c.b.d.) with 15 treatments cultivars and 4 replications in the borazjan research station during two consecutive cropping seasons (1995-97) to find tomato cultivars with high yield and quality and suitable for the region. cultivars had been selected among 60...
Agricultural hillslopes with susceptible loess enters a large amount of runoff and sediment into the Gorgan city annually, due to the inappropriate drainage system which cause a lot of financial losses city. The purpose of this study was to investigate the effect of different vegetation scenarios on the runoff and sediment discharge from three hillslopes of catchment of 5.9 hectares. The r...
in the present study, twenty two selected lines from eleven iranian eggplant (solanum melongena l.) landraces along with varamin landrace, as control, were studied in a randomized complete block design with three replications in three locations (karaj, varamin and dezful). sum of yield and marketing score for each line was recorded. analysis of variance for yield showed significant differences ...
plant analysis is successfully used in monitoring nutritional status, recommending fertilizer rates and types, and maximizing fertilizer efficiency in sugar beet. diagnosis and recommendation integrated system (dris) is a comprehensive approach which does not have limitations of the critical value approach (cva) and sufficiency range approach (sra). over- dose application of fertilizer increase...
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