STUDY ON THE EFFECTS OF KClO3 ON THE CAPABILITY OF FLOWERING AND FRUIT-BEARING OF THE EARLY RIPENING LONGAN VARIETY THAI BINH, YEN SON DISTRICT, TUYEN QUANG PROVINCE
DOI:
https://doi.org/10.51453/2354-1431/2024/1258Keywords:
Chlorate kali, blooms off-season, Early ripe longan in Thai BinhAbstract
The experiment was conducted on the early ripening longan variety Thai Binh in Yen Son district, Tuyen Quang province during the period from October 2023 to May 2024 by mixing KClO3 with plain water at doses of 10, 20 and 30 grams/day. 1 m2 watered the soil around the longan canopy. Monitoring results showed that the experimental longan trees treated with KClO3 flowered and fruited, with a dose of 30 grams/1m2 of canopy having the highest rate of flowering branches, fruiting rate and yield. KClO3 treatment for early-ripening longan varieties in Thai Binh commune has resulted in harvests 45 - 60 days earlier than main crop varieties, yield reaching 22.9 - 33.9 kg/tree, economic efficiency reaching 843,400 - 1,313,400 VND/tree, each hectare gives profit from 177,114,000 - 275,814,000 VND. Meanwhile, in the main season, each longan tree only gives a profit of 201,000 VND/tree and one hectare gives an average profit of 42,210,000 VND.
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