Studying on some techniques to develop daisy flower production in thai nguyen city

<p> - 30 studied daisy flower varieties have had the ability to adapt to the ecological conditions of Thai Nguyen, of which there are seven daisy flower varieties with high yield and high quality flowers as C5, C13, CN20, Vang Thuoc Duoc, Do Bac Moi, Trang Dong Tien,Vang Pha Le. Vang Thuoc Duoc variety was planted in Autumn - Winter and Winter - Spring crops gave high yield, good quality and higheconomic efficiency. - Spraying GA 3 100 ppm + foliar fertilizer Yogen No.2 20g/8l increased plant height and number of first branches, increased pest resistance of Vang Thuoc Duoc variety in Winter - Spring crop. - Additional lighting for Vang Thuoc Duoc daisy flower variety 4 hours/night (from 22h to 2h) gave good flower quality and high economic efficiency. - The planting date of Vang Thuoc Duoc daisy flower variety to harvest on 20 th , Nov occasion was on August 10 to 20 (Growing timewas 90-96 days). - The planting date of Vang Thuoc Duoc daisy flower variety to harvest on Tet holiday was on November 22 (Growing time was88.3 days). - The model using additional light (4 hours/night) on Tet holiday for Vang Thuoc Duoc brought the high economic efficiency (reaching 11.79 million VND/360m 2 ). </p>

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