Evaluation of Maize Response to Salinity under Drip Irrigation and Irrigation Management

Document Type : Research Paper



     In addition of water shortage and high
temperature, severe salinity of soil and water also causes problems in arid and semi-arid
areas. In these areas, drip irrigation can overcome on environmental
limitations for sustainable crop production. To study the response of maize to salinity under
drip irrigation and irrigation management, was carried out an experiment at split plots based on randomized
complete block design. In this research, main plots were both irrigation management strategies of blending and one-alternate of saline water (4, 5 and 6 ds/m) with Karoun river
and subplots were treatments of water salinity. The results showed that by increase in salinity,
maize yield, biomass, height, 1000-grains weight and irrigation water
productivity decreased. The
blending strategies of fresh and saline water improved grain yield and water productivity in
levels of high salinity. Fainally, the rate of yield decrease for every 1 ds/m
increase in salinity of soil was about 9 percent