Pusa Portable Hybrid Dryer is a solar-cum-biomass fired dryer that facilitates drying of agricultural produce. It can be used either as a solar dryer or as a biomass fired hot air mechanical dryer. It is a battery-operated dryer and can be easily dismantled, assembled and carried by a single person. The overall dimensions and weight of the dryer are 24×18×2 inch and 30 kg, respectively. Operated by 12V battery, the dryer is fitted with a 12 W DC motor driven blower (203×77 mm) for air circulation and a heat exchanger for air heating. It has 12 perforated drying trays arranged vertically with a tray to tray spacing of 60 mm. Preliminary temperature profiling of the dryer showed that, on a low solar intensity partly cloudy day, temperature difference of about 10°C was observed between ambient air and drying chamber within 30 min of operation. However, drying chamber temperature of up to 70°C can be achieved using heat exchanger when the dryer is connected to a biomass fired boiler.
- Hybrid dryer – solar cum biomass fired.
- Portable.
- Battery operated.
- Crop neutral – suitable for fruits/vegetable/flowers/herbs etc.
- Drying of agricultural produce.
Pusa battery operated turmeric/ginger washer is a continuous rotary drum type battery operated washer developed exclusively for washing raw turmeric and ginger. Continuous washers come in contact with muddy water; hence, materials having adequate resistance towards muddy water were used in the fabrication of main drum and its components. Main frame and other components were fabricated using mild steel for better strength and stability. The drum size was chosen to have a maximum capacity of 150-200 kg/h so that it could be affordable to small farmers. The highest 92.48% washing efficiency, 93.18% microbial efficiency and 4.54% bruise index were found in the experiment. Compared to manual washing, developed washer saves more than 60% time and operation cost besides saving 65% water requirement. Higher efficiencies, minimum damage, continuous type, reduced water and energy requirement and lightweight ascertain that the developed washer is a techno appropriate solution for small and marginal farmers.
- Exclusively developed for hilly regions for washing of turmeric and ginger. Portable and battery operated.
- Compared to manual washing, developed washer saves more than 60% time and operation cost besides saving 65% water requirement.
- 150-200 kg/h capacity – suitable to small and marginal farmers.
- High washing efficiency (92%) with low damage (4.5% bruise index).
- Can be utilized for washing of spherical fruits and vegetables.
- Washing of turmeric and ginger.
Suitable for protecting injuries caused by chaff cutter. Simple cost-effective interventions. It consists of Blade Guard, Flywheel, Lock and Warning Roller. It ensures safe operation of Chaffcutter. Finger and hand Injuries are prevented.
It is an easy to mount. Low cost Technology. These safety gadgets can be retrofitted easily on existing as well as new machines for prevention of injuries.
The multi-crop planter is useful for sowing of different types of vegetable seeds by changing the vertical roller. This is a manual seeding machine operated by single person. The field capacity of the planter is 0.03 ha.h-1. Precision planting of vegetable seeds in small plots, yields 15% saving in seed with 85-90% singulation.
Suitable for planting of small and bold vegetables seeds with adjustable seed spacing. Seed spacings are changed by replacing the vertical rollers and changing the sprocket positions.
Useful for commercial production of carrot through precise planting on raised beds. It can be operated with 45hp Tractor. The field capacity is 0.5 ha per hour. It has inclined plate seed metering mechanism, raised bed formers, furrow openers , covering and compaction device.
Carrot seed can be sown on two beds each with 4 – rows with adjustable row to row spacing. Saves water and other inputs. Higher plant population leading to higher productivity and suitable for mechanical harvesting.
For planting garlic cloves on flat bed can be operated with45hp tractor. The field capacity is0.2 ha per hour. It comprises of cup type metering mechanism along with narrow furrow openers.
Precise planting of garlic cloves in 9 rows. Higher production and suitable for mechanical weeding and harvesting operation78% saving in time and 64% saving in cost of operation as compared to manual planting
Used for Precision Planting of small vegetable seeds. Provides uniform germination and maturitycan be operated with45hp tractor. The field capacity is0.2-0.3 ha/h. It comprises of pneumatic seeding mechanism with aspirator, seed plates, furrow opener and compaction wheels.
Mechanized Vegetable Cultivation, saving of costly seeds, Uniform germination resulting in uniform maturity, Timeliness in operation
Useful for raised bed carrot harvesting, two beds gets harvested simultaneously. Width of coverage of the carrot harvester is 1.3 m. Operated by 45 hp tractor having field capacity 0.5 ha/h.
Uses single cutting blades (angle 15 degree) consists of equally spaced three V-type cutting edges. Blades makes a cut below the root of the carrot and loosens the soil of the beds simultaneously.
Useful for sowing garlic cloves with row spacing of 150 mm. It is operated by 45 hp tractor, having field capacity 0.2 ha/h.
It uses Aluminium casted vertical metering plates with eight hemi-spherical cups for sowing garlic cloves.
It is useful for harvesting of garlic and is operated by 45 hp tractor, having field capacity 0.24 ha/h.
For harvesting of garlic, uses digging blade of size 600 mm x 300 mm with rake angle of 15 degree.
Useful for planting soaked okra seed on ridges. Operated by 35 hp tractor having field capacity of 0.2 ha/h.
The planting and ridge making operation is done in one pass. It maintains the row and plant distance.
Suitable for threshing okra pod, separate husk and other impurities from seed. Powered by 2 hp electric motor, capacity 70 kg/h.
Threshing time is reduced by 30 %, which result in reduction in operational cost by 70 percent.
Developed for extraction of good quality seed from onion umbel using spike tooth extraction mechanism, powered by 1 hp Single-phase motor; capacity 25 kg (onion umbel) /h.
It saves extraction cost and avoids arduous and drudgeryful manual extraction of onion seed. It is very useful for small scale onion seed grower.
Suitable for extraction of seeds of tomato, brinjal, bottle gourd, powered by 2 hp single phase electric motor, capacity of 500 kg/h (Brinjal), 450 kg/h (Bottle gourd) and 200 kg/h (Ash gourd).
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