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Moisture Mapping Soil and Plant Moisture Monitoring

The method known as “moisture mapping” involves determining the moisture present in soil and plants, as well as spatial modeling of the information acquired. This approach contributes to precise irrigation and improved water management. It is frequently employed in agriculture, landscaping, and environmental research to optimize water utilization and avoid over or under-watering of plants.

How to Measure Soil Moisture Without a Sensor

  • **Visual appearance:** Observe changes in soil texture and color. Dry soil often appears lighter and more crumbly, while moist soil is darker and more cohesive.
  • **Touch test:** Insert your fingers into the soil and feel for moisture. Moist soil will feel cool and slightly moist to the touch, while dry soil will feel warm and more granular.
  • **Plant behavior:** Monitor plant wilting. Wilted plants may indicate dry soil, while perky and healthy plants suggest adequate moisture.
  • **Weighing method:** Weigh a sample of soil before and after drying it in an oven or under direct sunlight. The difference in weight represents the moisture content.
  • **Tensiometer:** Use a tensiometer to measure soil water tension, which provides an indirect indication of moisture levels.