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Comparative Performance Evaluation of Dp 480 Model and Arp-4um Rice Transplanter

Kaniz Tamanna
Dept.of Farm Power and Machinery, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

A. N. M. Arifur Rahman
Dept.of Farm Power and Machinery, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Md. Ashik-E-Rabbani
Dept.of Farm Power and Machinery, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

Two types of rice transplanter model were hired to conduct the experiment at Bangladesh Agricultural University (BAU), Mymensingh in May-June, 2014 for Aman season to evaluate their comparative performances. Both the transplanter were tested in the departmental laboratory and in the field. During off-field test on concrete, the seedling per hill at high, medium and low position of seedling density controller was found 7, 5 and 4 in ARP-4UM model and it was14.3%, 20%, and 50% less in the DP 480 model compared to ARP-4UM model. During in field test the seedling per hill at high position of seedling density controller was found to be same in ARP-4UM model and DP 480 model but for medium and low position the seedling per hill was 6,3 and 1 in DP 480 model which was 25% and 50%more in ARP-4UM compared to DP 480 model. After the experiment, the transplanting depth for shallow, standard and deeper position of depth controller was found 2.39, 3.89 and 6.42 in DP 480 model and it was 10.3%, 6.9% and 30.99% less in ARP-4UM. On an average the percent of skidding was found 12.3% in DP 480 model and 16.2% in ARP-4UM model at the 15cm prefixed position of the plant to plant distance controller. Percent of missing hill in 120cm×200cm was found 4.35% in ARP-4UM model and 2.18% in DP 480 model. The field capacity was found 0.2052 ha/hr in DP 480 model and 0.1801 ha/hr in ARP-4UM model. The amount of Fuel consumed in ARP-4UM Model was obtained 1.43 lit/ha and in DP 480 Model rice transplanter it was 1.57 lit/ha. After calculating all the parameters related to the performance of the rice transplanter it was found that the DP 480 model was better compared to the ARP-4UM model in terms of break-even analysis.

Keywords: Rice transplanter, Seedling raising, Field capacity, Fuel consumption, Break-even point

Location: Bangladesh Agricultural University (BAU), Mymensingh

Start Date: 00-05-2014

End Date: 00-06-2014

Program Area: Farm Mechanization

Commodity: Transplanter

Objectives:

The objectives of this research are to compare the specifications of the two types of rice transplanter, namely, DP 480 and ARP-4UM,to compare field performance of the rice transplanter under same field condition and to study the adjustments of walking type mechanical rice transplanter.

Methodology:

The comparative study was conducted at Bangladesh Agricultural University (BAU), Mymensingh in May-June 2014 for Aman season. The rainfall was 160.8 –346.2 mm and the temperature ranged from 28.8-29.8° C during the experiment. The experimental field was located at FPM field. The soil type was loamy clay type. For seedling raising, BRRI dhan49 was used. Two types of rice transplanter, 60 trays of size 58× 28× 2.5 cm, sieve machine, measuring scale, measuring steel tape, water sprayer, seed treatment phenomena (Rovastin), stopwatch, calculator etc. were required for the experiment. Field experiment The experimental plot was ploughed by a power tiller and the weeds were removed from the field. Water was applied to the field for creating a steady state condition for transplanting operation. The water was drained out before 24 hours of transplanting. Two technically skilled operators, one for the ACI-DP480 and other for the METAL-ARP-4UM type rice transplanter operated the rice transplanter on the same field at same field condition. Then all observation was done after the experiment. Data collection The following parameters were collected or measured during the experiment for each plot:seedling height, leaf number, seedling density in tray, field size and shape, machinery adjustment, seedling spacing, seedling density per hill, missing hill, floating hill, damaged hill, fuel consumption, depth of seedling,number of tray required in each decimal, number of turn, total time of operation, actual time of operation.

Source of Information: J. Sci. Technol. Environ. Inform. 05(02): 413-420| Tamannaet al. (2018)

Article Link (Online Journal): https://doi.org/10.18801/jstei.050218.44

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Field performance of both the transplanter was found apparently satisfactory. But depth control mechanism was found more comfortable in DP 480 model compared to ARP-4UM. In addition, fuel consumption was found almost same in DP 480 and ARP-4UM model. The field capacity of the DP 480 model was found more compared to the ARP-4UM model. Transplanting parameters such as plants per hill and percentage of skidding was found good in DP 480 model compared to ARP-4UM model. From this point of view, it can be concluded that the performance of a rice transplanter largely depends on some parameters which should be off in proper values to achieve the best output result after field performance. Further proper adjustment of the plant to plant distance can minimize the percent of skidding as well. Percent of missing hill floating hill, damaged hill, and buried hill can be minimized by maintaining proper transplanting depth and transplanting speed. Under all of this consideration and after studying the overall experiment, it can be concluded that DP 480 model rice transplanter is more efficient and suitable rice transplanter compared to the ARP-4UM model rice transplanter.

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