Yield and economic impact of less-water consumption techniques in tank irrigated rice (Oryza sativa) and groundnut (Arachis hypogaea) crops

C RAMANA; B RAVINDRANATHA REDDY; V MUNASWAMY; B RAVINDRA REDDY; A PRASHANTHI

doi:10.56093/ijas.v85i6.49224

Authors

C RAMANA Principal Scientist, Regional Agricultural Research Station, Acharya NG Ranga Agricultural University, Tirupati, Andhra Pradesh 517 502
B RAVINDRANATHA REDDY Principal Scientist, Regional Agricultural Research Station, Acharya NG Ranga Agricultural University, Tirupati, Andhra Pradesh 517 502
V MUNASWAMY Principal Scientist, Regional Agricultural Research Station, Acharya NG Ranga Agricultural University, Tirupati, Andhra Pradesh 517 502
B RAVINDRA REDDY Scientist, Regional Agricultural Research Station, Acharya NG Ranga Agricultural University, Tirupati, Andhra Pradesh 517 502
A PRASHANTHI Assistant Professor, Regional Agricultural Research Station, Acharya NG Ranga Agricultural University, Tirupati, Andhra Pradesh 517 502

https://doi.org/10.56093/ijas.v85i6.49224

Keywords:

Economic impact, Measure and use policy, Rehabilitation, Tank irrigation, Water scarcity

Abstract

A study was conducted with a view to reduce uncertainty of inflows in supply channels, weed infestation in tank bed and water scarcity during poor monsoon seasons. The less-water consuming technologies and use of improved implements along with matching crop production techniques were demonstrated to improve water productivity. Altogether, the mind-set of tank farmer that more the irrigation, more the yield was changed to controlled irrigation for more production. The new habit of â€˜measure and useâ€™ policy even in irrigation water was infused. The water productivity was realized in such a way that the productivity of rice (Oryza sativa L.) in whole command increased
from 4.6 kg/ha/mm in 2005 to 7.3 kg/ha/mm in 2009; in groundnut (Arachis hypogaea L.) from 5.6 kg/ha/mm in 2005 to 6.5 kg/ha/mm in 2009. Hence the economic impact of â€˜measure and useâ€™ policy was proved its superiority for less-water consumption management in tank irrigation in the cases of rice and groundnut.

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