An experiment was conducted in the Horticulture Farm of Agriculture and Forestry University to demonstrate the effects of different fertilizers on the yield and yield parameters of okra (var. Arka Anamika). The experiment was laid out in Randomized Complete Block Design (RCBD) consisting of seven treatments and three replications. The various treatments used in the experiment were goat manure, sesame cake, mustard cake, synthetic fertilizer (NPK), poultry manure, vermicompost and untreated control. The required dose of nitrogen was fulfilled by the fertilizer itself whereas insufficient amount of phosphorous and potassium was fulfilled by addition of single super phosphate and muriate of potash respectively. The fertilizers were applied on the basis of recommendation given by the Nepal Agriculture Research Council (NARC). The effect of poultry manure on number of open flowers and number of fruits at 40 DAS was found superior. The effect of poultry manure on plant height, number of leaves, plant diameter was found superior at 50 DAS. Goat manure produced the superior result on number of open flowers at 50 DAS. Poultry manure on the number of leaves and plant height produced the significant result at 60 DAS. Synthetic fertilizer responded well to number of fruits at 60 DAS. Sesame cake produced the superior results at 70 DAS on number of buds. Poultry manure responded well to all the parameters and produced the yield of 200 qt./ha with the BC ratio of 1.77. This experiment suggests the farmers to use the poultry manure to get the highest economic return. Vermicompost and mustard cake producing the superior and significant yield in this research are not recommended as they have low BC ratio unless effective measures are encouraged to reduce the cost of this fertilizers.
An experiment was conducted to evaluate the performance of hybrid tomato lines on growth and yield performance at Regional Agriculture research Station (RARS), Parwanipur, Nepal during end of September, 2018 to April, 2019. The experiment was laid out in randomized complete block design (RCBD) with seven hybrid tomato lines as treatments and three replications. The tested lines included Srijana and Dalila as check varieties and other lines, developed by crossing HRA and HRD lines which showed better performance under late blight conditions. HRA 20× HRD 1 showed significantly higher plant height (110.67 cm) which was statistically at par with genotype HRA 14× HRD 7. The highest number of fruits per plant (69) was recorded from Srijana whereas the lowest number of fruits per plant (37) was recorded from cv. HRA20 × HRD1. The fruit yield of the lines ranged from 50.54 t/ha to 32.2 t/ha with Srijana having the highest yield and HRA 20× HRD 1 as the lowest. Similar results were shown regarding the marketable fruit yield. However, the highest individual fruit weight (34.67g) was recorded in HRA 14× HRD 7 and the least fruit weight was recorded in Srijana (24.22 g). Results showed that the maximum TSS (5.53 0Brix) was recorded from Dalila which was similar as Srijana. Hence, the overall performance of Srijana was recorded superior regarding both quantitative and qualitative suggesting Srijana as the recommended variety in the given domain. Here authors concluded that Srijana is still a comparatively better hybrid variety in Nepal.
to determine the influence of different fertilizers and nematicides on the number of nematode galls (Meloidogyne spp.) and yield of okra (var. Arka Anamika) in summer season in Chitwan, Nepal. This experiment was carried out in a completely randomized block design (RCBD) which includes 7 treatments and 3 replications. The treatment included: goat manure, sesame (til) cake, mustard seed cake, poultry manure, Furacron (carbofuran), vermicompost and untreated control including only chemical fertilizer (NPK). All treatments were added to provide a sufficient amount of nitrogen required for the crop as per the recommendation. The remaining amount of required phosphorous and potassium was supplied by adding single super phosphate and muriate of potash, respectively. All treatments, except poultry manure had significantly superior germination at 7 days after seeding (DAS). Similarly, all treatments compared with control had significantly less gall index at 70 DAS; Furacron had least gall index at both 60DAS and 70DAS. The highest net profit was found in the case of poultry manure while the highest incremental cost-benefit ratio was obtained in Furacron. The highest yield (20t ha -1 ) and least number of galls were obtained in poultry manure which was as effective as a Furacron treatment. This experiment suggests the use of either poultry manure or Furacron, both of which will provide higher economic return and decrease the root-knot nematode in okra. However, use of carbofuran has recently been banned in Nepal.
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