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Publication Title | DARE/ICAR ANNUAL REPORT 2006–2007 Agricultural Engineering and Technology

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DARE/ICAR ANNUAL REPORT 2006–2007

Agricultural Engineering and Technology

FARM IMPLEMENTS AND MACHINERY

Tractor-operated Machinery

Tractor-operated lug wheel puddler: Tractor-operated lug wheel puddler has been developed for high speed shallow puddling of rice fields with higher amount of soil dispersion required for mechanized transplanting of rice. The unit price of the PTO driven rotary puddler is Rs 36,000 and cost of operation Rs 270/ha.

The results of field performance of the lug wheel puddler compared to other puddling equipment tested in single pass showed that with the tractor-operated lug wheel puddler the depth of puddling was maintained shallow (130 mm) with higher amount of soil dispersion (48.6%). The effective field capacity was found

Tractor-operated lug wheel puddler for high speed shallow puddling of rice fields

higher by 21.2–81.8% with higher cost-effectiveness varying from 12.7 to 46% over the other puddlers tested. The unit covers 2.5–3 ha/day and makes the field ready for transplanting in single pass as compared to 3–4 passes of the peg type puddler commonly used by farmers with average coverage of 1 ha/day.

Tractor-mounted inclined plate planter: Six-row tractor- mounted inclined plate planter was modified and adapted for intercrop planting on raised and broad beds.

In laboratory tests, maximum variation in quantity of seeds dropped from different metering units was –4.21 to 4.07% for soybean and –4.86 to 3.84% for pigeonpea seeds. There was no visible mechanical damage to the seeds. Average percentage of cell filling was 99.3 for soybean and 98.9 for pigeonpea. The variation

• Tractor-operated lug wheel puddler developed for high speed shallow pudding of rice fields

• Twin auger digger sugarcane planter to dig two pits simultaneously developed by PAU

• Tractor-operated garlic planter developed and observed seed rate during testing varied from 500 to 700 kg/ha

• A three-row tractor-mounted rotary weeder developed and

operated in rows spaced at 1,000 mm in sugarcane

ratoon

• Flail type chopper-cum-spreader developed to harvest the

straw left after combining and for chopping into pieces for

spreading in the field

• High capacity groundnut thresher selected for feasibility

testing gave cleaning and threshing efficiency ranged from

96.1 to 99.4% and 97.8 to 99.4%, respectively

• For sowing small seeds like sesame, cumber and sorghum,

power-tiller-operated air-assisted seed drill developed

in the quantity of seeds dropped from different seed metering units was within the limit of 5%.

During field trials, three rows of soybean and two rows of pigeonpea at 300 mm row-to-row spacing were sown on broad beds with 1.55 m top width and 1.85 m bed-to-bed spacing. Average depth of sowing was 83 mm. The field capacity of planter was 0.418 ha/h with an effective width of coverage of 1.85 m. Field efficiency was 64.2%.

Sowing of soybean + pigeonpea intercrop on beds with intercrop planter- cum-bed shaper

Image | DARE/ICAR ANNUAL REPORT 2006–2007 Agricultural Engineering and Technology



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