Title : MODIFICATION AND PERFORMANCE EVALUATION OF MANUALLY OPERATED PADDY TRANSPLANTER.
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Date
2022-10-08
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Publisher : Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra.
Abstract
Abstract : Rice (Oryza sativa L.) is the most widely consumed staple food in the world. India is the world's second largest rice producer and the world's largest rice exporter. Transplanting of rice is the most common method in India. In most of the region transplanting is done manually. Manual rice transplanting is a tedious, labour intensive and very times consuming job requiring (250-300 man-h ha-1). Nowadays lot of efforts are made to introduce the mechanical transplanter in the country, but they are not popularized in Indian conditions due to small farm size, undulating topography of soil and climatic conditions, cost of the machine etc. In order to develop new transplanter, initially the study of existing CRRI paddy transplanter was done. The limitations and drawbacks have been highlighted. It was found that the existing transplanter needed some modification in order to reduce draft or drudgery, proper movement of tray index, increase field capacity, planting efficiency and reduce the unproductive hills. Therefore, a project on “modification and performance evaluation of manually operated paddy transplanter” was undertaken.
Results of machine performance tests showed the sedimentation period of 36 hours was found to be most suitable for transplanting as float sinkage was minimum of 1.9 cm and required depth of planting of 4.5 cm was observed. The missing hills, floating hills, buried hills and damaged hills were found to be 10.34, 4.5, 2.29 and 1.13 per cent respectively. The total unproductive hills 18.37 per cent which was 10.72 per cent lower than the existing transplanter. The planting efficiency were found to be 81.61 per cent. The planting efficiency of the modified transplanter was increased by 11.52 per cent and found to be more effective than the existing transplanter. The actual field capacity and field efficiency were found to be 0.040 ha/h and 71.32 per cent respectively and increased by 37.5 % and 0.30 % as compared to existing manually operated paddy transplanter.
Description
Description : The existing machine was developed to hand cranking type power transmission system. The modification is done to find the row to row spacing, hill to hill spacing, number of seedlings per hill, missing hills, floating hills, buried hills, damage hills, float sinkage, and draft were among the performance parameters measured.
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Citation
Citation : DANESHWAR KUMAR. (2021). Modification and performance evaluation of manually operated paddy transplanter. Department of farm power and machinery (Agricultural Engineering), Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola. M. Tech. 2021. Print. xii, 73p. (Unpublished).