Agriculture Machinery Center

Paro, Bhutan

Agriculture Machinery Center

Paro, Bhutan

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Benjaphragairat J.,King Mongkut's University of Technology Thonburi | Sakurai H.,Agriculture Machinery Center | Ito N.,Mie University
International Agricultural Engineering Journal | Year: 2010

Presently, the garlic planter is an eight-row type. This research has focused on increasing the planter capacity by reducing the draft of the planter, increasing the field efficiency by increasing the optimum number of rows and increasing the uniformity of the seed. For the10-row garlic planter, the test results obtained from the farmers' field were based on the following criteria: working speed 1.68 km/h, height of the seed delivery tube above ground level 30 cm, which was the lowest variation. The field capacity was 0.13ha/man-h and plant spacing was 11.73 cm. The percentage of slip was 10.36%. The furrow opener is a shoe type, placed in two lines with spacing of 250 mm between the lines. It gave a constant draft force of about 1.05 kg f/row. The percentage of germination was 74.57%. The average yield was 26,919 kg/ha, whilst the average yield of planting by the farmer was 30,419 kg/ha. The precision value for human planting was 20.93% while the 10-row garlic planter was 21.0%, on average.


Benjaphragairat J.,King Mongkut's University of Technology Thonburi | Lto N.,Mie University | Sakurai H.,Agriculture Machinery Center
AMA, Agricultural Mechanization in Asia, Africa and Latin America | Year: 2010

This project was an experimental study of the mechanics of a 5-HP power tiller with a 10-row garlic planter attached. Statistical analysis of the equilibrium of the power tiller with the 10-row garlic planter attachment was taken into consideration. The position of the center of mass and all applied forces were also evaluated. Consideration of the dynamics was taken into account to refine the equilibrium of all applied forces as the weight of garlic was gradually reduced during operation. A computer programme (in the C++ language) was written to analyze the handle by changing the position of the engine and varying the handle length.


Thinley K.,Agriculture Machinery Center | Wangchen C.,Agriculture Machinery Center | Sakurai H.,Agriculture Machinery Center
AMA, Agricultural Mechanization in Asia, Africa and Latin America | Year: 2011

There is a potential for further farm mechanization in Bhutan with immediate attention given to paddy. There is also mechanization potential for other root and cash crops like potatoes, oranges and apples. It can be said that there is a need for exploration of existing technology that would be beneficial to the country's need. Although, strong support from a Japanese grant (2KR) has existed for almost more than 20 years there continues to be a need for further studies to adapt the available technology for Bhutanese farmers.

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