In 2016 an experiment was set up in which we wanted to determine the effect of the height of the hill on the yield and some properties of the strawberry fruit (Fragaria x ananssa Duch.) of cultivars 'Clery' and 'Joly'. The experiment was carried out on the hill with straw at three different heights: 20 cm, 30 cm and 40 cm. For each height of the hill, 20 plants of 'Clery' and 20 plants of 'Joly' were planted. In May and June 2017, the fruits were gradually picked, measured the fruit height, width, thickness, and weight, firmness and the content of soluble solids. The yield was also measured in each individual picking time, and the number of fruits was also recorded. We have found that on average smaller dimensions of the fruits are at a height of hill 40 cm, and the largest at the height of the hill 20 cm. The average fruit weight was the highest at the hill height of 20 cm and the smallest at a hill height of 40 cm. The softest were the fruits at the hill height of 40 cm; at the height of the hill 20 and 30 cm, the firmness was the same. The soluble solids content was the highest at the hill height of 30 cm and the smallest at the hill height of 20 cm.
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