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北票地区蔬菜大棚暗管排盐过程的土壤水盐动态分析

作  者:
卞京军
单  位:
辽宁省铁岭水文局
关键词:
北票地区;蔬菜大棚;暗管排盐;土壤水盐
摘  要:
本文以辽宁省北票市的蔬菜大棚为例,分别采用田间淋洗试验法和数值模拟法对暗管排盐过程的土壤水盐动态进行分析。结果表明,土壤水盐动态受暗管的影响较小,因此有必要对其设置进行改进。数值模拟结果与实测值结果较为接近,因此可基于该模型进行暗管规格、铺设方式或间距等参数的优化选择,从而为合理确定蔬菜大棚排盐模式提供科学依据。
译  名:
Analysis on soil water salt dynamic condition during concealed conduit salt elimination in vegetable greenhouse of Beipiao region
作  者:
BIAN Jingjun;Liaoning Tieling Hydrographic Office;
关键词:
Beipiao region;;vegetable greenhouse;;concealed conduit salt elimination;;soil water salt
摘  要:
The vegetable greenhouse of Beipiao of Liaoning is adopted as an example in the paper,field leaching test method and numerical simulation method are respectively adopted for analyzing the dynamic condition of soil water salt during concealed conduit salt elimination. The results show that the influence of concealed conduit on soil water salt dynamic condition is lower. Therefore,it is necessary to improve the setting. The numerical simulation results are consistent with the measured value results. Therefore,the concealed conduit specification,pavement mode or spacing and other parameters are optimally selected based on the the model,thereby providing scientific basis for rationally determining salt elimination mode in vegetable greenhouse.

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