Determination of crop coefficient of local barley cultivar in Tigray, Northern Ethiopia using drums
Abstract
153 words
Barley is a major staple food crop in the highlands of northern
Ethiopia. The crop is used for preparing various types of
traditional foods. Barley yield over the northern Ethiopia is
severely affected mainly due to water stress. To minimize the
problem, household ponds were constructed to supplement rain
water. However management of this irrigation water is very
poor because the crop coefficient of the local barley is not
known. To measure crop coefficient, lysimeters are needed.
Unfortunately they are not available in Ethiopia. A locally made
lysimeter was designed and installed in 2010 in northern Ethiopia
to measure the evapotranspiration and determine the crop
coefficient for barley. Preliminary results showed that the
seasonal evapotranspiration of barley was 375 mm which is
similar to many other cereal crops in the region. The one year
single crop coefficient values for early, vegetative, mid and late
crop stages were 0.7, 0.85 1.05 and 0.6 respectively.
Subjects
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