volume 38 issue 4 (december 2004) : 278 . 282
EFFECT OF SOWING DATES ON THE INCIDENCE OF INSECT PESTS AND PRODUCTIVITY OFSORGHUM {SORGHUMBICOLOR (L.) MOENCH}
1Department of Agronomy.
Rajasthan College of Agriculture, Udaipur· 313 001, India
ABSTRACT
A field level experiment was carried out to appraise the effectiveness of foliar spray of Cycocel (1500 ppm). Ethrel (500 ppm), Triacontanol (20 ml tree −1), IBA (150 ppm), Planofix (100 ppm), Micronutrient mixture (0.5%), ZnS0 4 (0.5%) + Boric acid (0.3%) + FeSO 4 (0.5%) and Urea (1.5%) on nutrient content of Tamarind leaves during 1998–2090. All the treatments with growth regulators and chemicals exhibited significant effects on nutrient content of leaves. Among the treatments 1.5 per cent urea (3.41%) recorded the highest total nitrogen content and cycocel @1500 ppm recorded the highest (0.347%) total phosphorus content. The soil application of ZnSO 4 175 g tree −1 + foliar spray of boric acid 0.3 per cent + ZnSO 4 0.5 per cent (0.206%) exhibited the highest total potassium content. Highest N. P and K content in peak flowering follcwed by a decrease with advancement in pod maturation were observed. From the holistic point of view application of micronutrients ZnSO 4, boric acid and FeSO 4 was recommended to enhance nutrient uptake in tamarind
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Indian Journal of Agricultural Research
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