Drip irrigation in rice and wheat cultivation

Drip irrigation in rice and wheat cultivation Water is a precision input for agriculture, micro irrigation systems (MIS) have been successfully employed to save water and realize the motto 'More crop per drop'. Among the MIS, drip irrigation is one of the proven technologies, especially in horticultural crops. The institute has successfully demonstrated drip irrigation in rice and wheat cultivation under System of Rice Intensification (SRI) and System of Wheat Intensification (SWI) techniques. Using drip irrigation along with plastic mulch yield could be increased by 33 per cent in rice and 23 per cent in wheat over conventional system of cultivation.

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Automatic Irrigation System for Rice

Rice is the water intensive crop commonly cultivated under submerged condition and remains under ponding water for almost 80% of its cropping duration. This automatic irrigation system is mainly designed for alternate wetting and drying (AWD) method of irrigation for rice with a provision of continuous ponding which is needed during the flowing stage of rice crop. It detects the water level above and below the soil surface at the rice field and transmits the signal to the controller wirelessly. It consists of sensor and microcontroller. The controller unit is accordingly programmed to operate the pump based on the water level at the field during different crop growth stages.

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Pipeless(Mole) Drainage Technology for Water Sensitive Crops

At ICAR-Central Institute of Agricultural Engineering the foot diameter of mole plough has been developed with foot diameter as 75 mm and expander diameter is 85 mm for formation of pipe less drains to drain out excess water from root zone of kharif crops. Using this plough pipe less drains are constructed at a depth of about 0.5 m from the surface for draining the excess water from the root zone. The field capacity of mole plough is 0.24 ha/h at the forward speed of 1.0 km/h. The draft requirement for its operation is about 30 kN. The machine costs about Rs 20,000/- and its cost of operation is about 5,000/ha.

  • Capacity: 3 kg/h
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Soil Moisture Sensor based Real Time Precision Irrigation System for Field Crops

This system is continuous monitoring the soil moisture variation to achieve the goal of real time data collection and management as needed by field crops. Soil moisture MP406 sensor was found to be suitable for precise field soil moisture measurement. The DSS and soil moisture based real time irrigation system (SIS) was found to be working properly. Conventional sprinkler irrigation and real time moisture sensor based sprinkler irrigation resulted in average water saving of 27 and 35 per cent, water use efficiency of 40 and 66 per cent respectively with corresponding yield increase of 9 and 15 per cent as compared to gravity irrigation. Soil moisture based real time sprinkler irrigation scheduling resulted in significant water saving higher water use efficiency in comparison to gravity system.

  • Efficiency: 40 and 66 percent
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Subsurface drip lateral laying machine

This system is continuous monitoring the soil moisture variation to achieve the goal of real time data collection and management as needed by field crops. Soil moisture MP406 sensor was found to be suitable for precise field soil moisture measurement. The DSS and soil moisture based real time irrigation system (SIS) was found to be working properly. Conventional sprinkler irrigation and real time moisture sensor based sprinkler irrigation resulted in average water saving of 27 and 35 per cent, water use efficiency of 40 and 66 per cent respectively with corresponding yield increase of 9 and 15 per cent as compared to gravity irrigation. Soil moisture based real time sprinkler irrigation scheduling resulted in significant water saving higher water use efficiency in comparison to gravity system.

  • Capacity: 0.18 ha/h.
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