Abstract
An experiment was conducted in non-weighing lysimeters to study the effect of irrigation with saline water on water movement and salt accumulation and maize yield. The experiment was carried out in northwest China, both sufficient and insufficient irrigation were applied in the first year, and only sufficient treatments in the second year. Irrigation with solute concentration of 9 g · L−1 and 6 g · L−1 led to salt accumulation about 6–8 dS · m−1 in certain depths, even downwards to 160 cm received about 4 dS · m−1 for 9 g · L−1 and 2 dS · m−1 for 6 g · L−1, which was two times more than initial. Salt-affected water extracted from soil behaved as low evapotranspiration under sufficient irrigation, and more water was left in the soil. Yield of spring maize was not affected when saturated soil paste electrical conductivity did not exceeded 1.2 dS · m−1.
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Foundation item: Supported by National Key Technology Research and Development Program of China (2006BAD11B08) and the Program for Changjiang Scholars and Innovative Research Team in University (IRT0657)
Biography: JIANG Jing, female, Ph. D. candidate, research direction: water resource and water environment.
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Jiang, J., Feng, S., Huo, Z. et al. Effect of irrigation with saline water on soil water-salt dynamics and maize yield in Arid Northwest China. Wuhan Univ. J. Nat. Sci. 15, 85–92 (2010). https://doi.org/10.1007/s11859-010-0115-y
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DOI: https://doi.org/10.1007/s11859-010-0115-y