Lysimeter Study to Evaluate The Effects of Water Stress and Nitrogen Fertilizer on Maize in The Shallow Ground Water
Author(s):
Abstract:
The quantitative and qualify limitations of agricultural water resources and fertilizer management are the important problems in Khuseztan Province. This study was conducted to evaluate the effect of deficit irrigation and different nitrate levels on the maize yield. The treatments were included irrigation (100, 75 and 50 percent of irrigation requirement) and urea fertilizer (300, 375 and 450 kg/ha). The experiment was carried out in the framework of a factorial using randomized complete block design with three replications. The result showed that the biomass, plant maximum height, grain yield and harvest index significantly increased (P>0.01). Also the results showed that in the 100 percent irrigation level, grain yield and biomass increased 6.6% and 4% ,respectively, to compared with the free drainage. The results illustrated that the use of groundwater can be decreased water drainage entrance into the surface resource as well as increased plant yield.
Keywords:
Language:
Persian
Published:
Irrigation Sciences and Engineering, Volume:39 Issue: 3, 2016
Pages:
1 to 11
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