Central Rice Research Institute Annual report...2011-12
Central Rice Research Institute Annual report...2011-12
Central Rice Research Institute Annual report...2011-12
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Mechanization for <strong>Rice</strong> Production and Post-harvest Systems<br />
Mechanization for <strong>Rice</strong><br />
Production and Post-harvest<br />
Systems<br />
Development of Cost Effective Machines<br />
Design, fabrication and testing of self<br />
propelled paddy hill seeder, power tiller<br />
operated multi-crop seed drill<br />
A five row power tiller operated seed drill was fabricated<br />
for sowing of rice and groundnut with furrow<br />
opener spacing of 25 cm. It was tested for sowing the<br />
rice variety Naveen and TMV variety of groundnut in<br />
dry season, 2011.The field capacity of 0.14 and 0.15 ha<br />
hr -1 , skidding percentage of 28.4 and 26.3 and cost of<br />
planting of Rs.<strong>12</strong>40 ha -1 and Rs. <strong>12</strong>00 ha -1 was observed<br />
for rice and groundnut, respectively.<br />
Development, evaluation and improvement of<br />
bullock/power tiller and power operated<br />
weeder for rice and rice based crop<br />
Seven row bullock drawn weeder, eight row power<br />
tiller operated weeder and two row self propelled power<br />
weeder were tested with Naveen variety in dry season<br />
during 2011.The bullock and power tiller operated<br />
weeders were tested in a row spacing of 20 cmwhereas,<br />
power weeder was tested in row spacing of 25 cm. The<br />
seven row bullock drawn weeder was found to perform<br />
better than the others because of its higher field<br />
capacity, low energy use and low cost of operation<br />
(Table 30).<br />
Design, fabrication and testing of power<br />
operated three row rice transplanter using mat<br />
type and root washed seedlings<br />
A manual three row rice transplanter for using root<br />
washed seedlings was developed for 20 cm row spacing.<br />
Fixed fork type fingers were designed to pick up<br />
Power tiller operated seed drill for rice and groundnut<br />
Seven row bullock drawn weeder<br />
the seedlings from the tray. Arrangement was made to<br />
change the length of the fingers. The finger assembly<br />
was attached to a handle. The to-and-fro motion of the<br />
handle enables the finger to pick up the seedlings from<br />
Table 30. Performance of various weeders in dry season rice<br />
Field Weed Cost of Energy utilized for<br />
capacity destruction operation weeder operation<br />
Weeder (ha hr -1 ) % age in 1 pass (Rs. ha -1 ) (MJ ha -1 )<br />
Seven row bullock drawn weeder 0.16 30 780 68.0<br />
Eight row power tiller operated weeder 0.1 32 1610 630.0<br />
Two row power weeder 0.05 66 2200 879.0<br />
CRRI ANNUAL REPORT 2011-<strong>12</strong><br />
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