Technology transfer on toxic free vegetables planting
2000
Parinya Vilairatana | Taksin Artchawakom | Sayan Tanpanich | Prayuth Kavilavet | Cholticha Niwaspragrit
Demonstration plots of integrated methods of producing vegetables free from toxic residues were set up both inside and outside the nylon-net-houses, utilizing locallyavaiable farm manure, as well as farm or industrial waste as organic fertilizer. Vegetables planting inside the three white-nylon-net-houses of 1C*30*2.50 m dimension and outside on a three-rai plot of land was demonstrated. The popular vegetables such as kale, chinese cabbage, broccoli, cauliflower, yard long bean, cucumber and cantaloupe were grown in both types of the demonstration plots. Vegetables, which were generally less annoyed by pest such as chinese convolvulus, chinese leek, lettuce, lemon grass and egg plant were planted to demonstrate the vegetables planting without or less chemical use. The micro-sprinkler and drip irrigation system were installed in the nylon-net-houses, while the mini-spinkler system was installed outside. Two training courses were organized at Lam Takong Research Station, Pak Chong District, Nakhon Ratchasima province for total of 199 participants who were vegetable growers and extension people in Pak Chong and Si Khiu Districts within the Lam Takong watershed. The lectures provided the participants with negative effects of chemical substances, the impact of chemical substance to user, consumer and environment, production of vegetables free from toxic residues, the importance of organic fertilizer, the biological control and extraction and the safe-use of chemicals. Such training allowed the participants to practice biological extract technique, organic pesticides from plants and sticky trap. A visit to demonstration plots was also arranged.
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