PERFORMANCE STUDY OF A WALKING TYPE 4-ROW MECHANICAL RICE TRANSPLANTER

M. Fahmida, U. Habiba, Md. Mizanur Rahman, Milu Farzana
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Abstract

A study was carried out at Bangladesh Rice Research Institute, Regional Station, Rangpur along with laboratory test and farmers field in Fulgachi, Lalmonirhat for field test during Aman season with BRRI dhan52 to identify the effect of plant spacing of transplanter on grain yield. Three levels of plant spacing (30 cm×13 cm, 30 cm×15 cm, 30 cm×17 cm), seedling density setting (Middle, Middle+1 and Middle+2) and RCBD with 9 plots were used for the purpose. In field experiment, three plant spacing and Middle+2 seedling density setting was used. In this walking type self-propelled rice transplanter, the field capacity, field efficiency and fuel consumption of the transplanter were 0.134 ha hr-1 , 68 % and 3.71 L ha-1 , respectively. Labor requirement for mechanical and manual transplanting were 6.75 man ha/hr and 223 men hour per hectare respectively. Cost of mechanical transplanting was Tk. 3291 per hectare as compared to Tk.13000 per hectare in case of manual transplanting. If the usage of this machine per year decreases, the operating cost per hectare will increase. From breakeven analysis with mechanical and manual operating cost, it was found that transplanter should use at least 11 hectares per year to minimize the operation cost per hectare. For 17 cm, 15 cm and 13 cm plant spacing, number of tray requirement were 218, 270 and 277 per hectare, respectively. Number of seedling tray saved for 17 cm and 15 cm spacing were 21 % and 2.53 % compared with 13 cm spacing. In 30 cm×17 cm spacing, minimum number of seedlings required maximum no. of tray saved. Grain yield in different spacing (30 cm×13 cm, 30 cm ×15 cm, 30 cm ×17 cm) and manual transplanting were 4.43, 4.97, 5.23, 4.13 t ha-1 , respectively. Results showed that, highest grain yield among plant spacing was found 5.23 t ha-1 from 30 cm×17 cm.
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步行式四行机械插秧机的性能研究
为了确定移秧机株距对粮食产量的影响,本研究在孟加拉国水稻研究所Rangpur地区站进行了实验室试验,并在Lalmonirhat Fulgachi的农民田间进行了Aman季节的BRRI dhan52田间试验。采用3个水平株距(30 cm×13 cm、30 cm×15 cm、30 cm×17 cm)、苗木密度设置(Middle、Middle+1和Middle+2)和RCBD,共9个样地。田间试验采用3株行距和中+2苗密度设置。该移动式自行式插秧机的田间容量为0.134 ha h -1,田间效率为68%,耗油量为3.71 L ha-1。机械移栽和人工移栽所需劳动力分别为6.75人和223人小时/公顷。机械移栽的成本为每公顷3291塔卡,而人工移栽的成本为每公顷13000塔卡。如果这台机器的年使用量减少,每公顷的运营成本就会增加。从机械和人工操作成本的盈亏平衡分析中发现,为了使每公顷的操作成本降到最低,插秧机每年应至少使用11公顷。当株距为17 cm、15 cm和13 cm时,每公顷需要量分别为218个、270个和277个。间距为17 cm和15 cm的育苗盘数比间距为13 cm的育苗盘数节约21%和2.53%。在30 cm×17 cm间距下,最小苗数需要量最大。托盘的保存。不同行距(30 cm×13 cm、30 cm ×15 cm、30 cm ×17 cm)和人工移栽的籽粒产量分别为4.43、4.97、5.23、4.13 t hm -1。结果表明,在30 cm×17 cm处,籽粒产量最高,株距为5.23 t ha-1。
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来源期刊
Songklanakarin Journal of Science and Technology
Songklanakarin Journal of Science and Technology Multidisciplinary-Multidisciplinary
CiteScore
1.10
自引率
0.00%
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0
审稿时长
25 weeks
期刊介绍: Songklanakarin Journal of Science and Technology (SJST) aims to provide an interdisciplinary platform for the dissemination of current knowledge and advances in science and technology. Areas covered include Agricultural and Biological Sciences, Biotechnology and Agro-Industry, Chemistry and Pharmaceutical Sciences, Engineering and Industrial Research, Environmental and Natural Resources, and Physical Sciences and Mathematics. Songklanakarin Journal of Science and Technology publishes original research work, either as full length articles or as short communications, technical articles, and review articles.
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