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- W2383232590 abstract "Based on the methods of field investigation and laboratory analysis,nitrate-N content of groundwater was observed in high-yielding vegetable land in Hebei Province.The effect of excessive fertilization on nitrate-N content of groundwater was studied.The result showed that the averages of nitrate-N content in groundwater were 5.18-7.54 mg/L during 2005-2007,conforming to the standard of WHO(10 mg/L),but the averages showed a rising trend.Nitrate-N content of groundwater was deceasing with the increase of groundwater depth.And it concentrated on the groundwater depth under 30 m.Nitrate-N content in soil was significantly correlated with that in groundwater,and the latter was raising with the former.It was indicated that nitrate-N in soil from excessive fertilization in high-yielding vegetable land would be eluviated with rain water or irrigation,resulting in serious nitrate-N pollution in several regions." @default.
- W2383232590 created "2016-06-24" @default.
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- W2383232590 date "2008-01-01" @default.
- W2383232590 modified "2023-09-24" @default.
- W2383232590 title "Effect of Fertilization on Nitrate-N Concentration of Groundwater in High-yielding Vegetable Land of Hebei Province" @default.
- W2383232590 hasPublicationYear "2008" @default.
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