Abstract
Bidi tobacco is commercially cultivated under rainfed vertisols in late rainy season i.e., September (2nd fortnight). Six week old seedlings should be planted during August-September at planting geometry of 75 cm x 75 cm and ridge planting is advisable for higher moisture conservation. Standard bidi tobacco production requires 110 kg N, 70 kg P2 O5 and 50 kg K2 O ha-1 which is closely dependent on mineral nutrient supply. Topping is done either at bud stage or early flowering stage by keeping 12–15 leaves. Bidi tobacco grown with two irrigations each at 5 cm depth / 0.4 IW/ CPE (first at 60 days after transplanting and second between 35-45 days after first irrigation) increased the yield which resulted from more leaf width. Foliar application of 2.5% KNO3 or 2.5% AS + SOP twice at 45 and 60 DAT to bidi tobacco is optimum for supply of nitrogen and potassium under moisture deficit condition. Application of foliar spray with Triacontanol 0.1% EW @ 2ml /l at early growth stage and grand growth stage is economical during drought period. Bidi tobacco recorded higher seed yield (532 kg ha-1) and oil yield (173.4 kg ha-1) when planted at 60 cm x 60 cm with application of 150 % RDF (165 N+105 P2 05 +75 K2 O ha-1).
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