Int. J. Biosci.16(1), 32-41, January 2020
Sesame is an important oilseed crop and receives more attention due to its significance and oil contents. Yield components and quality of oilseed crops are mainly regulated by nutrient management at field level. A field experiment was carried out to assess the effect of nitrogen management on yield and yield component of sesame crop at Agronomy Research farm, The University of Agriculture Peshawar. The experiment was conducted in randomized complete block (RCB) design. Three levels of nitrogen (40, 80 and 120 kg ha1) and four levels of application method (95% soil + 5% foliar, 90% soil + 10% foliar, 85% soil +1 5% foliar) along with one control for both nitrogen levels and one water spray for application method were used in experiment. Urea was applied as sources of nitrogen. The application of nitrogen at the rate of 120 kg ha-1 resulted in maximum biological yield (4002 kg ha-1). With respect to 80 kg N ha-1 application resulted more capsule plant1 (82), seed capsule1 (61), more seed yield (839 kg ha1), oil % (46.85 %), and oil yield (394 kg ha1). Similarly nitrogen application method at 90% soil + 10% foliar produced more seed capsule1 (60), seed yield (858 kg ha-1), more oil % (47.39% kg ha-1) and maximum oil yield (407 kg ha-1) were recorded. From the experimental results, it is concluded that nitrogen application at the rate of 80 kg ha-1 at 90% soil + 10% foliar application method performed better in terms of oil content, oil and seed yield of sesame and is recommended for general cultivation of sesame.
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