What is it about?
This paper describes a methodology to develop correct crop coefficient (Kc) of pasture that matches actual pasture water needs
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Why is it important?
Expanding dairy farming around the world including the Canterbury region of New Zealand is causing increasing demand for irrigation, placing more pressure on already stressed water resources. This research shows that conventional irrigation planning with a constant pasture crop coefficient of 1.0 would provide “on average” 30% more water compared to the actual water demand of pasture under grazing condition. This significant amount of water saving can contribute to conserve water and reduce leaching of nutrients, which is the biggest environmental problem in NZ dairy sector.
Perspectives
Irrigation methodology proposed in this paper can contribute significantly to conserve water and the environment thus, can play an essential role in the face of increasing global water scarcity.
Birendra KC
Read the Original
This page is a summary of: Impact of Rotational Grazing Systems on the Pasture Crop Coefficient for Irrigation Scheduling, Irrigation and Drainage, January 2018, Wiley,
DOI: 10.1002/ird.2210.
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