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Research May Lead to Improvements in Water Use for Crop Irrigation

Two papers published in Irrigation and Drainage may help improve estimates of water requirements for crops, which will save water and minimize losses, allowing more land to be irrigated and subsequently more food to be produced.

Friday, October 6, 2017 11:30 am EDT

Two papers published in Irrigation and Drainage may help improve estimates of water requirements for crops, which will save water and minimize losses, allowing more land to be irrigated and subsequently more food to be produced.

The results of one study on an experimental farm near Bologna, Italy indicated that crop irrigation water requirements based on evapotranspiration obtained from modern technologies (Scintillometer and Eddy Covariance) could save at least 50% of irrigation water. Also there would be no need to use what is called the crop coefficient Kc, which for many irrigation practitioners is difficult to obtain.

The other publication showed that a new technology called the Cosmic-ray Soil Moisture Observation System (Cosmos) can be used to determine when and how much water to apply in irrigation.

Additional Information

Link to Studies:  

http://onlinelibrary.wiley.com/doi/10.1002/ird.2152/full

http://onlinelibrary.wiley.com/doi/10.1002/ird.2153/full

About Journal

Irrigation and Drainage is the official journal of the International Commission on Irrigation and Drainage (ICID).

The objectives of the ICID are to advance the science and art of irrigation, drainage and flood management. Published five times a year, the Journal is a prestigious peer-reviewed publication and enables ICID to accomplish its objectives of publishing original papers on scientific, engineering, environmental and socio-economic issues associated with irrigation, drainage and flood management in a clear, concise and uniform style that is easily understood by an international audience. ICID has for sixty years, been the main forum for the global dissemination of experience and new ideas in the quest for the sustainable use and protection of water and land to meet the World's increasing demand for food and fibre.


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