نتایج جستجو برای: day per hectare this value was 15331
تعداد نتایج: 7740048 فیلتر نتایج به سال:
The problem of analyzing a sequence of daily irrigation decisions utilizing weather forecast information is formulated for the case of lettuce grown in central New York state, and solved using a stochastic dynamic programming algorithm. The crop response is represented using a simple but physiologically-based model of lettuce growth [van Henten, E.J., 1994. Validation of a dynamic lettuce growt...
We describe a ‘How was your day?’ (HWYD) Companion whose purpose is to establish a comforting and supportive relationship with a user via a conversation on a variety of work-related topics. The system has several fairly novel features aimed at increasing the naturalness of the interaction: a rapid ‘short loop’ response primed by the results of acoustic emotion analysis, and an ‘interruption man...
the value of wetlands is receiving increasing attention and the cost–benefit analyses (cba) is essential to evaluate the long-term effects of wetland rehabilitation projects. in order to guarantee the water quality of the south-to-north water diversion project of china (east route), the government of shandong province started a huge lakeshore wetland rehabilitation project in 2008. the cba appr...
the changes in todays world organization, to the extent that instability can be characterized with the most stable organizations called this afternoon. if you ever change management component, an additional value to the organization was considered, today, these elements become the foundation the organization is survival. the definition of the entrepreneur to identify opportunities to exploit a...
Hand-applied dispensers are successfully used in mating disruption programs, but cost of labor to apply these dispensers limits their adoption. Creating hand-applied dispensers that release larger amounts of pheromone and that can be applied at lower densities per hectare could reduce the cost of mating disruption and increase its use. The effect of reducing the number of point sources per hect...
in fact this study is concerned with the relationship between the variation in thematice structure and the comprehension of spoken language. so the study focused on the following questions: 1. is there any relationship between thematic structure and the comprehension of spoken language? 2. which of the themes would have greated thematic force and be easier for the subjects to comprehend? accord...
recent years have witnessed an increased attention to form focused instruction and consciousness raising activities (ellis, 2002; doughty & williams, 1998) on the one hand and extensive and meaningful exposure to the target language (klapper & rees, 2003; day & bamford, 1998) on the other. due to significance attributed to above mentioned issues by scholars, this study attempted to bridge them ...
this study purported to compare and contrast the use of self-mention and evidentials as two mtadiscourse features in opinion columns of persian and english newspapers. the theoretical basis of this study is the idea that metadiscourse features vary across cultural boundaries. for this purpose, 150 persian and 150 english opinion columns were collected based on three factors of topic, audience a...
The objective of this study was to determine the specific methane yields of four grass species (cocksfoot, tall fescue, reed canary grass and timothy) cultivated under boreal conditions as well as how harvesting time and year of cultivation affects the specific methane yields per ha. The specific methane yields of all grasses and all harvests varied from 253 to 394 Nl CH4/kg volatile solids (VS...
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