Some preliminary observations on the practices of the Thai technique of direct seeding : Na Wan Num Tum - in the Muda area - The Direct Seeding Workshop Kuala Lumpur); Ho, Nai Kin; Lembaga Kemajuan Pertanian Muda (Alor Setar, Kedah : Lembaga Kemajuan Pertanian Muda, 1983)
Paper presented at the direct seeding workshop on Na Wan Num Tam technique on 23rd. February 1983 in the conference room of department of agriculture, Kuala Lumpur.
Keywords: Padi -- Sowing; Sowing -- Kedah