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โครงการหนังสออเล็กทรอนกสด้านการเกษตร เฉลมพระเกียรตพระบาทสมเด็จพระเจ้าอยู่หัว
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Trend

2021 was a year of harvest for Longan when the output reached nearly
* C*& ) , % ) , &'* 1 '
1.2 million tons. The price, however, hit the lowest due to a large supply in
4 ) % 4 ) ,
Thailand and a clog in export to China due to Covid 19 (Table 3.15).
% &^ 5 '&d6'
&&
'&d A ( *C&^@*C*&
Table 3.15 Planting Area and Output of Longan in Thailand 2019-2021 11
1 rai = 1,600 square meters = 2.4 Chinese mu (亩)
& _ &4BCC > 1 _ *'< 1 5亩）
Source: DOAE 2021
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Structure

North (such as Chiangmai & Lamphun) and East region (such as Chanthaburi)
accounted for 68% and 29% of output in 2021. The dominating variety E-Daw
5 1 g 1 6 5 6
accounted for 98% of output in 2021. To cater for the season of Chinese market,
B Gc *^c *C*&' 1 % , @- ) ^Gc
varieties like Phuang Thong and Phetsakon gained its shares in the planting
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3 , 5 '&B6'
area recently (Table 3.16). Longans in the North are generally whiter, with thin
, ) 4 ) 3 4 fl , ) ' 4 fl ,
skin, fleshy and sweet. Longans in the East are bigger, fleshy and with thick
) 3 3 '
skin.
+ % h , . , 5 '&E6' 3 % 1
Harvest starts in July until March of the next year (Table 3.17). The peak harvest
h , A ' 2 % , @ @
time in the north is July and August. But the fruit is available all year round
% 1 off@ fl ) '
% 1 1 , % , '
because of out-of-season varieties and application of potassium chlorate to
induce off-season flowering. The control of harvest time may cause oversupply
in a particular season.
& & - 1 - 1 A 5-(A 6 . , A % 5.(A 6
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11 Data from database of Department of Agricultural Extension (DOAE) of Ministry of Agriculture and
Cooperatives (MOAC) https://opendata.doae.go.th

Production 83