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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
The importance of horizontal precipitation for growth of juvenile stages of Dragon tree on Canary Island
 Lengálová, Klára
Dracaena draco is native to subtropical arid area of Macaronesia. Horizontal precipitation is an important component of water balance in such arid and semiarid areas. Morphological, anatomical and physiological adaptations to drought stress and demonstrated ability to absorb condensed water on the leaves into the stem tissues were discovered at D. draco. The aim of performed measurements was to quantify the importance of horizontal precipitation as an additional source of moisture during the critical period of juvenile stages of D. draco in Anaga (Tenerife). Measuring sets based on lysimeters measured the weight changes of seedlings placed in flowerpots hanging on the weights. The results of measurement proved that the seedlings can partly replace loss of water from evaporation by the water uptake from the atmosphere. Water uptake from the atmosphere took place mainly at night and the water output by transpiration predominated during the day. Horizontal precipitation replaced the evaporation by 6 to 10 % in the first period measured from October and did not replace the evaporation in the second period of measurements that started in January
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Possibilities of Textile Materials in Practical Activities Subject in Primary School
 DOLANOVÁ, Klára
The thesis topic is "Possibilities of Textile Materials in Practical Activities Subject in Primary School". The theoretical part is focused on the historical origin and evolution of textiles, summary of textile techniques, sorting and its use mainly with pupils in the primary school. It also deals with project based learning and conceptions, objects and competences of a pupil in the primary school in technical education in czech system of Framework Educational Programme for Elementary Education. In the practical part there are designed textile techniques that are processed into the original teaching projects. The functionality of the project was detected by using questionnaires for teachers of primary school. Some of the projects were realized in teaching in the 2nd, 3rd and 4th year of the primary school.
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