Use of saline aquaculture wastewater to irrigate salt-tolerant Jerusalem artichoke and sunflower in semiarid coastal zones of China

Zhao Gengmao, S.K. Mehta and Liu Zhaopu

Agricultural Water Management, 2010, vol. 97, issue 12, 1987-1993

Abstract: In 2004 and 2005, the feasibility of agricultural use of saline aquaculture wastewater for irrigation of Jerusalem artichoke and sunflower was conducted in the Laizhou region using saline aquaculture wastewater mixed with brackish groundwater at different ratios. Six treatments with different electrical conductivities (EC) were included in the experiment: CK1 (rainfed), CK2 (irrigation with freshwater, EC of 0.02Â dSÂ m-1), and saline aquaculture wastewater (EC of 39.2Â dSÂ m-1) mixed with brackish groundwater (EC of 4.4Â dSÂ m-1) at volumetric ratios of 1:1, 1:2, 1:3, and 1:4 with corresponding EC of 22.0, 16.1, 13.2, and 11.4Â dSÂ m-1. Soil electrical conductivity (ECe) in the saline aquaculture wastewater irrigation treatments was significantly higher (PÂ

Keywords: Jerusalem; artichoke; Sunflower; Saline; aquaculture; wastewater; irrigation; Yield; Nutrient; removal (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (3)

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