Cultural practices on increasing number of roots and quality of oil in Ophiopogon intermedius D. Don
1997
Chalongchai Babpraserth | Rukkiat Chobkua | Pinit Karinthanyakit | Suvit Panichying (Kasetsart Univ., Bangkok (Thailand). Faculty of Agriculture. Dept. of Horticulture)
Cultural practices on increasing number of root and quality of oil in Ophiopogon intermedius D. Don. was conducted under 50 percent shading at spacing 30*30 centimetres at Pakchong Research Station, Nakhonratchasima province during September 26, 1997-September 27, 1998 found that the fertilizer 13-13-21 at rate 50 kilograms/rai and follow side band 3 months after transplanting at the same formular and same rate had given the heightest dry root weight average 49.81 grams/plant at 12 months, or 846.77 kilograms/rai. The fresh root weight and dry root weight ratio was 3.31:1. The neither used NAA or unused were not statisticcally different.
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