Preprint Review Version 1 This version not peer reviewed

Impacts of Sewage Irrigation on Soil Properties of Farmland in China: A Review

Version 1 : Received: 9 October 2017 / Approved: 9 October 2017 / Online: 9 October 2017 (10:09:42 CEST)

How to cite: Li, Q.; Tang, J.; Wang, T.; Wu, D.; Jiao, R.; Ren, X. Impacts of Sewage Irrigation on Soil Properties of Farmland in China: A Review. Preprints 2017, 2017100048 (doi: 10.20944/preprints201710.0048.v1). Li, Q.; Tang, J.; Wang, T.; Wu, D.; Jiao, R.; Ren, X. Impacts of Sewage Irrigation on Soil Properties of Farmland in China: A Review. Preprints 2017, 2017100048 (doi: 10.20944/preprints201710.0048.v1).

Abstract

Fresh water is valuable nonrenewable resource and plays an important role of maintaining economic and social development. Condisering its large population and consumption potential, water resources deficit will certainly impede basic industries sustainable development of China in the near future. Application of sewage irrigation, to some extent, was regarded as an alternative way to solve the problem of agricultural irrigation water shortage in some areas (such as North China). However, accompanied with extensive implementation of sewage irrigation, some problems on sewage irrigation in agriculture are gradually obvious, especially serious pollution and destruction for farmland. In this paper, the effects of sewage irrigation on soil physical (soil bulk density, soil resistance to penetration and field capacity), chemical (pH, soil organic matter, nitrogen, phosphrous, patassium, heavy metal and organic pollutants) and biological characteristics (soil microorganism and enzyme activities) of farmland in China were systematically reviewed on the base of the current utilization status of China’s farmland sewage irrigation and some feasible suggestions were put forward to the development prospect for the future. This review will be beneficial for promoting healthy development of sewage irrigation and providing theoretical support for reclamation and high efficiency of effluents in China.

Subject Areas

wastewater irrigation; soil characteristics; agriculture; pollution; China

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