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Trapped Drops of Water

Many phenomena in Nature involve trapped drops of water: the formation of dew drops on a spider’s web, the capture of drops of water on the spines of cacti or the movement of droplets on plant fibres. These phenomena have been studied and explored for various technological applications: from microfluidics for medical and electronic equipment, to harvest nets of the water drops from fog in the desert areas. MEAPLANT’s innovation for the first time in history has applied these physical principles to make soilless cultivation simple, efficient and suitable for everyone.

Our cultivation substrate is made up of a mesh of threads made with materials for food use which are hydrophobic and chemically inert.

The drops of water and mineral salts, supplied by an irrigation system, remain suspended on the threads for the balance that it is established between the surface tension of the drops and their weight.

The videos below show how the drops supplied by an irrigation system are captured by a mesh of interwoven threads as happens in our growing substrate. When the drops increase in mass and become greater than the surface tension resistance force, they precipitate inside the tank.

Diagram of the equilibrium forces.

 

                

Simulation Acknowledgements: Simulation result courtesy of Flow Science, Inc., developer of the computational fluid dynamics (CFD) software, FLOW-3D® (https://www.flow3d.com). Flow Science is based in Santa Fe, New Mexico USA – Inc. 683 Harkle Road.

MEAPLANT Comparison

MEAPLANT vs. Current Systems Comparison
  • MEAPLANT is a universal cultivation closed loop system, enabling the growth of various plants including vines, citrus fruits, apples, currants, etc.
  • MEAPLANT allows cultivation in open air, suitable for balconies, terraces, roofs, and urban outdoor spaces.
  • In current soilless cultivation systems, plants struggle due to inconsistent materials, water-based, or air-based systems, leading to high costs and limited usage.
  • MEAPLANT ensures no risks of root asphyxiation, with a well-oxygenated substrate preventing fungi and bacteria formation.
  • Hydroponics and aeroponics weaken plants, requiring complex disinfection and management systems, limiting the variety of cultivable plants.
  • MEAPLANT substrate does not absorb salinity, reducing the need for continuous solution checks and washing.
  • Current closed loop systems require frequent substrate washing, leading to plant stress and complex salinity calculations.
  • Irrigation management in MEAPLANT is easy, eliminating risks of over-irrigation or root asphyxiation.
  • MEAPLANT allows simultaneous cultivation of plants with different water needs, enhancing versatility.
  • Current systems limit simultaneous cultivation to one species with specific nutrient and irrigation requirements.
  • MEAPLANT’s substrate ensures all droplets are available for roots, minimizing absorption efforts.
  • MEAPLANT’s substrate minimizes water loss due to evaporation, inspired by the cactus’ strategy.
  • MEAPLANT’s cultivation substrate is made of recyclable or food-grade biomaterials.
  • Current substrates are often non-recyclable and require careful use and disposal.