Tobacco is an important cash crop which is affected by different diseases in different stages of life cycle. For the control of these diseases different pesticides are used. In the present study, Speight G-28 of FCV (Flue Cured Virgin) was grown in the experimental beds to evaluatethe effect of different fertilizers (i.e., Di Ammonium Phosphate, Ammonium Nitrate, Nitrophas, Super Phosphate, FYM and control) on the incidence of damping-off disease in tobacco nursery. Results showed the maximum disease was occurred in FYM (Farm Yard Manure) treated beds followed by super phosphate and the minimum disease were reported in DAP (Di Ammonium Phosphate) treated beds and followed by Nitrate. FYM was the primary source of infection causing damping-off disease. It was known that for the control of damping off disease there were many factors which were correlated to each other e.g. temperature, moisture, and soil nutrient. It was also observed that no seedlings were emerging in bed containing urea fertilizer due to ammonia gas formation which suppresses the seeds to germinate.
Brinjal occupies third position amongst vegetable crops grown in India, it covers i.e. 680.0 thousand hectare with a productivity of 18.70 t ha -1 and produces 12706.0 thousand tonnes in India in 2014-2015. Analysis of soil
Jute seed scarcity in Bangladesh is a major problem for jute growers as jute and allied fibres are the most economic product for the country. Seed is a critical input for jute crop as it is not possible to get both the seed and fibre from the same crop. Organized late jute seed production is lacking in the whole country of Bangladesh. Therefore, updating seed production potential of jute was tested under Jute experimental station of Bangladesh Jute Research Institute. Following the strategy, additional nutrient response to O-9897 and O-72 (Chorcorus olitorius L.) in late jute seed production was assessed in Jute Agriculture Experimental Station (JAES), Manikganj, Bangladesh during the late Jute season. A highly significant effect was observed for plant height, number of branches/plant, number of pods/plant, number of seeds/pod and seed yield with the application of increasing doses of NPK fertilizer. Significantly high seed yields were found with the application of additional 25% NP or 25% NPK with existing recommended doses of fertilizer for late jute seed production for the varieties.
Mineral fertilizer use is expanding in Jute growing countries to satisfy fiber demands. Fertilizer consumers are being asked to improve fertilizer use efficiency through better management in their fields to provide a healthy economy. Following the thought a field experiment was established to determine the influence of mineral fertilizer (NPKS) on growth and yield of the advanced C. olitorious breeding line of O-043-7-9. We selected three different locations under Bangladesh Jute Research Institute to examine jute crop response to optimum fertilizer combination and the yield variability by 10 different nutrient combinations. Because of the essentiality of N, P, K, and S fertilizer combination on Jute fibre production and their effects on its growth were studied. The lower levels of N, P, K and S were zero applications in specific treatments. N, P, K and S were positively correlated with yield level. Over time, the simple effect of N exhibited an increased positive trend only when applied limited to 100kg/ha, while simple effects of P and K increased sharply at the rate 10 and 30 kg/ha respectively. The zero fertilizer treatment yielded decline for each mineral in specific treatment in the trial. Fertilizer N, P, K and S were utilized more efficiently in fully balanced combination. After the findings from three different locations for growth, yield and agronomic characteristics, we can draw the conclusion that the combination dose of N 100 P 10 K 30 S 15 Kg/ha may need to be applied for breeding line O-043-7-9 cultivation in Bangladesh.
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