NDLI: Wind effects on solid set sprinkler irrigation depth and yield of maize (Zea mays)

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Wind effects on solid set sprinkler irrigation depth and yield of maize (Zea mays)

Content Provider	Springer Nature Link
Author	Dechmi, F. Playán, E. Cavero, J. Faci, J. M. Martínez Cob, A.
Copyright Year	2003
Abstract	A field experiment was performed to study the effect of the space and time variability of water application on maize (Zea mays) yield when irrigated by a solid set sprinkler system. A solid set sprinkler irrigation layout, typical of the new irrigation developments in the Ebro basin of Spain, was considered. Analyses were performed (1) to study the variability of the water application depth in each irrigation event and in the seasonal irrigation and (2) to relate the spatial variability in crop yield to the variability of the applied irrigation and to the soil physical properties. The results of this research showed that a significant part of the variability in the Christiansen coefficient of uniformity (CU), and wind drift and evaporation losses were explained by the wind speed alone. Seasonal irrigation uniformity (CU of 88%) was higher than the average uniformity of the individual irrigation events (CU of 80%). The uniformity of soil water recharge was lower than the irrigation uniformity, and the relationship between both variables was statistically significant. Results indicated that grain yield variability was partly dictated by the water deficit resulting from the non-uniformity of water distribution during the crop season. The spatial variability of irrigation water depth when the wind speed was higher than 2 m s−1 was correlated with the spatial variability of grain yield, indicating that a proper selection of the wind conditions is required in order to attain high yield in sprinkler-irrigated maize.
Starting Page	67
Ending Page	77
Page Count	11
File Format	PDF
ISSN	03427188
Journal	Irrigation Science
Volume Number	22
Issue Number	2
e-ISSN	14321319
Language	English
Publisher	Springer-Verlag
Publisher Date	2003-06-25
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Agronomy and Crop Science Soil Science Water Science and Technology

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