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Passive sub-irrigation, also known as passive hydroponics, semi-hydroponics, or hydroculture, [52] is a method wherein plants are grown in an inert porous medium that moves water and fertilizer to the roots by capillary action from a separate reservoir as necessary, reducing labor and providing a constant supply of water to the roots. In the ...
Passive hydroponics, semi-hydroponics or passive subirrigation is a method of growing plants without soil, peat moss, or bark. Methods [ edit ] Instead an inert porous medium transports water and fertilizer to the roots by capillary action .
Kratky method. The Kratky method is a passive hydroponic technique for growing plants suspended above a reservoir of nutrient-rich water. [ 1] Because it is a non-circulating technique, no additional inputs of water or nutrients are needed after the original application, and no electricity, pumps, or water and oxygen circulation systems are ...
An example of deep water culture in lettuce production. Deep water culture (DWC) is a hydroponic method of plant production by means of suspending the plant roots in a solution of nutrient-rich, oxygenated water. Also known as deep flow technique (DFT), floating raft technology (FRT), or raceway, this method uses a rectangular tank less than ...
Controlled-environment agriculture. Controlled-environment agriculture ( CEA) -- which includes indoor agriculture (IA) and vertical farming —is a technology-based approach toward food production. The aim of CEA is to provide protection from the outdoor elements and maintain optimal growing conditions throughout the development of the crop.
There are a variety of hydroponic systems for herb farming as herbs have a smaller root system and can be suited to the different types of hydroponic production. [9] Growing herbs hydroponically is considered to be more efficient, and to produce a higher quality product (pg 17), [9] and can be seen in both the small farm and in commercial ...
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