LEACHING AND MIGRATION CHARACTERISTICS OF NITROGEN DURING COASTAL SALINE SOIL REMEDIATION BY COMBINING HUMIC ACID WITH GYPSUM AND BENTONITE

Leaching and migration characteristics of nitrogen during coastal saline soil remediation by combining humic acid with gypsum and bentonite

Coastal saline soil is an important resource that is widely-distributed and available for mitigation, development and utilization.Adding exogenous materials to improve saline soil has been shown to be an effective measure to increase its agricultural productivity.However, there is limited information about the risk of nitrogen (N) leaching during c

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Study on Dynamics of Hydraulic Control System for Automatic Loading and Unloading of Drill Pipe of Geological Drilling Rig

With the increasing demand for resources, the task of the geological survey is growing rapidly.The automatic geological drilling rig, which can improve the efficiency of the geological survey, has become the mainstream development direction.In this study, Screens the hydraulic control system for the automatic screw up and screw down of an automatic

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