The experiment titled “Effect of Different Mulching Materials on Growth and Yield of Cucumber” was conducted during March to June 2021 at Gokuleshwor , Baitadi district of Nepal. Cultivar Bhaktapur local was used as principal cultivar for this research. The experiment was done by using Randomized Complete Block Design (RCBD). Accordingly, four different mulching material,viz.silver on black polythene mulch, black polythene mulch, rice straw and wheat husk mulch were used as treatment. Each treatment was replicated five times. Un-mulched plot served as control. Results reveals that the application of mulching significiantly influence both growth and yield parameters of cucumber. The broad objectives of this study was to determine the effect of mulching on the growth and yield of cucumber plant. The primary data was obtained through experimental analysis of sample plants of each plot without replacement. Plant height and number of leaves were significantly higher when black polythene mulch was used. Similarly, maximum leaf area was shown in paddy straw mulching at 75 days of transplanting (2318 cm square) . Mulching enhances flower production by 3-4 folds and increases the amount of blooms and fruit per plant. Likewise maximum number of flowers (80.00) and fruit (65.00) were observed in paddy straw mulching. Also highest weight (33.52) and yield (16.76) is seen in paddy straw mulching. And shortest height (977cm) , least number of leaves( 402) and leaf area (1911cm square ) was observed in control at 75 days after transplanting. Due to these mentioned reasons no mulch gave lowest yield per plot. Finding of this experiment thus clearly suggest the benefit of using paddy straw mulch as well as silver and black polythene mulch in cucumber compared to the other common mulching materials.
Litchi is a delicate, delectable summer boon that is juicy, flavorful, and appealing, with vibrant red color and a high mineral and vitamin content. India and China produce around 91 percent of the world’s litchi, and while production in Nepal is also impressive, it is primarily sold locally. Due to its highly perishable nature, transporting the fruit to distant markets has remained a challenge despite its widespread popularity and demand in domestic and international markets. Postharvest interventions are thus required to maintain litchi fruit quality for a longer period. Packaging is one of these interventions, as it has a direct impact on transpiration losses and respiratory metabolism in litchi fruit. Containment, protection, convenience, and communication are all significant functions of packaging. Previously, gunny bags, bamboo baskets, and hardwood boxes were used for packaging, but corrugated fibreboard (CFB) boxes are increasingly replacing them due to their versatility. Litchi fruit quality preservation could be improved by using modified atmosphere packaging (MAP) in conjunction with postharvest treatments. Litchi’s packaging innovation will necessitate a thorough evaluation of all elements that contribute to fruit deterioration and waste formation.
Marigold, a member of the Asteraceae family, is a popular ornamental plant grown throughout the world, including Nepal. The color and size of the flowers on marigold plants vary. Marigold plants can reach a height of 5 feet, but pinching procedures can lower this, allowing the intercultural operation to continue. Tagetes erecta L. is one of the most well-known marigold varieties in Nepal. Pinching is a technique for breaking apical dominance and redirecting energy to increase blossom production. Different experiments including treatments like no pinch, single pinch, and double pinches were reviewed to evaluate the effect of pinching on the growth and yield of marigolds. The effect of pinching on marigold growth and yield was investigated by comparing parameters such as plant height, number of branches per plant, number of flowers per plant, and flower size of pinched and unpinched (healthy) plants. The height of the unpinched plant was found to be 25% higher than that of the pinched. When plants are pinched, their apical dominance is broken, which encourages the plant to generate lateral branches and become bushy Because the majority of the nutrition is dislocated from the apical region of the plant when it is pinched; no pinched plants have fewer branches than pinched plants. Pinching stimulates cell division, cell size, leaf area, and photosynthetic compound production, which affects branch formation and, as a result, flower production. According to the results from various trials, double pinching resulted in the highest increase in plant height, number of branches, number of flowers per plant, and bloom size when compared to no pinching.
This research paper describes the development of battery charger with a variable output voltage capacity for charging the batteries used in electrical vehicles. The voltage and current accordingly is control via the buck converter that receives three phase current at primary side and fed to bridge rectifier which is comprised of full bridge converter and HFTR(High Frequency Transformer) for isolation and a square wave AC output. The transformer primary side is in series to divide certain charging current and the secondary side is comprised of six fix transformers so that they can generate certain amount of power and various output voltage through relay connection using 6 DC outputs. Moreover, all parallel connected full bridge serial resonant converter communicate together with upper(main) controller. The constructed structure is verified by conducting the test on PSIM as well as experimentally.
Because of its relevance in health, pharmaceuticals, spices, and income-earning, nigella is now used all over the world. This crop is grown all over the world. Even though nigella is essential, the yield and productivity per hectare in Nepal in comparison to other countries is quite low. The lack of better variety, lack of fertilizer management, lack of knowledge of cultural methods, and illnesses and insect pest management are all blamed for the lower yield. By examining such issues, a solution for nigella’s low productivity can be devised. As a result to address such problems a review is done on fertilizer requirements, the adaptation of available cultivars, agronomic practice recommendations, disease, and insect pest management, and other topics that are beneficial from the farmer’s point of view.
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