Different Types Of Tensiometers

Soil Water Samplers

Amongst the simplest of tools for environmental management, Soil Water samplers perform the task of collecting available soil water along with dissolved minerals, nutrients and also pollutants.

Having different names across the world, such as Lysimeters, Soil solution Access Tubes, Pore water samplers, this family of instruments is the must have for anyone wishing to know what goes on beneath the soil. Be it a farmer or a conservationist, sampling with this instrument tells you whether to add fertilizers or what remedial action must be taken.

The main degraded and contaminated soils in Taiwan include highly acid soils, soils deficient in micro-elements, eroded and poorly drained sandy soils, soils suffering from water stress, compacted soils, and rural soils contaminated by trace elements and organic pollutants. Reliable and practical indicators of soil quality are needed to evaluate the condition of degraded and polluted soils. In this Bulletin, several indicators are selected for soil quality assessment in sustainable soil management systems, based on the concept of the control chart. The critical level (threshold level, an upper control limit (UCL), and a lower control limit (LCL)) represent the values within which soil quality must be kept for sustainable soil management.

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