this research was assigned to study the top crop yield potential and nutritive value of jerusalem artichoke (helianthus tuberosus), using a completely randomized designed with three treatments and four replications. the forage was cut at three growing stages where plant high, fresh and dry forage yield and leave/steam ratio were recorded. first and second cut were made when the plant heights we...

to study the effect of sowing date and a single irrigation (si) on yield and yield components of barley, a field experiment was conducted in dryland agricultural research institute (maragheh, iran) in 2004-06 cropping seasons, using a split plot based on a randomized complete block design with 3 replications. main plots were assigned to 3 levels of sowing date (early, normal and late). sub-plot...

iran is mainly situated in a dry climate part of the world. due to the limiting and scarce water resources, crop production in the country is increasingly facing water shortages. a field experiment was conducted to investigate the impact of irrigation regimes on growth, chlorophyll fluorescence and grain yield of maize in 2006 at the research farm, college of agriculture, isfahan university of ...

introduction water availability is an important factor affecting plant growth and yield, mainly in arid and semi-arid regions, where plants are often subjected to periods of drought. the occurrence of morphological and physiological responses, which can lead to some adaptation to drought stress, may vary considerably among species. in arid and semi-arid areas that are subjected to more irregula...

The effects of nitrogen (N) addition on productive and physiological traits of Triticumdicoccum were assessed under two N levels (0, unfertilized, and 90 kg N ha−1) in fieldconditions, in two growing seasons. In the study case, the N supply (90 kg N ha−1) was appliedin three-split applications (20% at pre-plant stage, 40% at tillering stage, 40% at stemelongation). In unfertilized conditions, t...

It has been well over a decade since the last time the Naval Sea Systems Command (NAVSEA) performed a full blown preliminary and contract ship design. During that time period there have been many advances in the underlying technology used by design tools, and there have also been changes to the design process as well. As a result, NAVSEA has the responsibility to evaluate tools and processes in...

an experiment was conducted in order to evaluate the effects of humic acid spraying on  grain yield and yield components of wheat, in agricultural research and natural resources center of tehran province, in 2010-11. a split-plot layout within randomized complete block design with three replications were used. main plots were three irrigation treatments contains of normal irrigation, non-irriga...

BACKGROUND We have previously demonstrated that the prevalence of metabolic syndrome in chronic heart failure (CHF) is more than double compared with the general population in Japan. However, the impact of physical activity on cardiovascular events in CHF patients remains to be fully elucidated. METHODS AND RESULTS We performed a prospective, nationwide large-scale multicenter study of 9,178 ...

mosud iqbal1*, gkm mustafizur rahman2, gm panaullah1, m mizanur rahman2 and  jatish chandra biswas1 1 -soil science division, bangladesh rice research institute, gazipur-1701, bangladesh 2 -department of soil science, bangabandhu sheikh mujibur rahman agricultural university, salna, gazipur-1706, bangladesh *corresponding author email: [email protected], [email protected] received: 20 jun...