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Articles by Bhagat Singh
Total Records ( 3 ) for Bhagat Singh
  Shrijana Adhikari and Bhagat Singh
  Background and Objective: Barley is one of the ancient crop domesticated by humans and has been cultivated in marginal land due to its desirable characteristics like drought-tolerant With appropriate use of nitrogen fertilizer, the growth and development can be achieved at a higher level and thus to evaluate the effect of nitrogen fertilizer on yield parameters and yield on barley varieties, a field experiment was conducted to study the effect of nitrogen levels and varieties on yield attributes and yields of the barley crop. Materials and Methods: The experiment was laid out on a split-plot design with six levels of nitrogen (0, 20, 40, 60, 80 and 100 kg N ha–1) as the main plot treatment and four barley varieties (BH 946, BH 393, BH 885 and Karan 16) as a subplot treatment. Results: It was found that a higher level of nitrogen significantly influenced the yield attributes and was maximum when 100 kg N ha–1 were applied. The maximum grain yield (41.40 q ha–1) was recorded with the application of 100 kg N ha–1. The application of 20, 40, 60, 80 and 100 kg N ha–1 increases the grain yield by 44.83, 59.02, 67.13, 71.14 and 72.29%, respectively over control. Among varieties, the number of effective tillers and 1000 grain weight were found significantly higher in two-rowed barley variety BH 885. Whereas, BH 946 recorded the maximum number of grains per spike. The grain yield was significantly higher in BH 946 (33.11 q ha–1) which was at par with BH 393 but significantly higher than BH 885 and Karan 16. Conclusion: The study acknowledges the roles of nitrogen in imparting the yield attributes which are an important factor that decides the yield in a barley crop. It is also noted that varieties genetic makeup can influence yield and yield attributes given the same level of nitrogen.
  Abhishek Bahuguna , B.K. Chaubey , Mayank Nautiyal , Sandhya Bahuguna and Bhagat Singh
  Phytotoxic effects of aqueous extracts of walnut leaf was studied on germinating seeds and early seedling growth of radish (Raphanus sativus L. cv. pusa chetki) under western Himalayan horti-silvi system. Radish seeds were treated with five treatments comprised of distilled water (Control), 40, 60, 80 and 100% concentration of leaf extracts. The effect of aqueous extracts was found inhibitive with concentration dependent manner on seed germination and subsequent seedling growth. The variety exhibited extent of phytotoxicity at 100% extracts application in comparison to untreated control. Invariably there was a decrease in first count, germination, seedling root and shoot length, seedling fresh and dry weight with increasing aqueous extracts concentration on germinating radish (psusa Chetki). Present investigation shows that the tree species have allelopathic potential and contain water-soluble substances. Seed germination, seedling elongation and weights were determined on date of final count, however, other seedling vigor i.e. vigor index, speed of germination index, Relative Growth Index (RGI), Mean Daily Germination (MDG), Mean Germination Time (MGT) and time to 50% germination (T50) were calculated as per their respective formula. The significant reduction in seed germination and seedling vigor were observed of walnut leaf extracts on radish. However, MGT and T50 is indicated as lower value for higher vigor were increased as the leaf extract concentration increased and found significantly lowest in control for radish. It was found that seed germination and seedling vigor of radish were affected negatively by walnut leaf extracts in concentration dependent manner.
  Abhishek Bahuguna , Bhagat Singh and Sandhya Bahuguna
  Pea (Pisum sativum L.) is an important cash crop and protein source for farmers in many parts of India and other countries. Just about 80% of the nitrogen necessity of pea comes from nitrogen obsession by Rhizobia, be relevant one-half pound of nitrogen per 1000 square foot area at seeding if the soil test shows the N-NO3 level below 5 ppm. This will help ensure nitrogen deficiency does not occur before nitrogen fascination occurs. Rhizobia immunization is muscularly recommended. It is used as foods tuff and the green unripe pods are cooked or conserved as vegetable. Therefore, field experiment was conducted under the field conditions at Institute of Medicinal and Aromatic Plants, Gairsain Campus, Uttarakhand University of Horticulture and Forestry during the winter season on 2013-2014 to find out the optimum levels of fertilizer on growth and yield attributes of vegetable pea, consisting two levels of nitrogen (20 and 40), three levels of phosphorus (30, 60 and 90) and three levels of potash (30, 60 and 90) along with control on vegetable pea in Randomized Block Design with three replications. The seeds were sown at a distance of 30x10 cm in plot size of 3.0x2.5 m in last week of November 2013. Full dose of phosphorus and potash and half dose of nitrogen were applied to each plot at the time of sowing on November 25, 2013. Days taken to germination, numbers of nodules per plant, fresh weight of nodules per plant, dry weight of nodules per plant, plant height (cm), days taken to first flowering, days taken to pod setting, number of pods per plant, number of grains per pod, fresh weight of 100 grains and yield ha-1 were significantly affected by the application of nitrogen phosphorus and potash. It was worth noting that 20 kg N ha-1, 90 kg P2O5 ha-1 and 60 kg K2O ha-1 yielded good result in number of grain per pod. Peas are highly nutritive and contain high content of digestible protein (7.2 g/100 g), carbohydrate (15.8 g), vitamin-C (9 mg), phosphorus (139 mg) and minerals.
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