Our columns are made of 2” diameter PVC pipe. A bell-shaped reducer fitting guaranteed to underneath of the pipe stabilizes the column, and also holds in place a mesh display. The mesh supports the Turface substrate while also permitting water to drain by gravity. An automated watering system delivers a dilute nutrient alternative to each column. The watering system is programmed to add small amounts of nutrient remedy at the substrate surface area 20 times per day. This high frequency helps to keep the tops of the columns moist and ensures delivery of nutrients throughout the column.
We have developed a columnar plant culture system that facilitates healthy plant growth while also enabling complete separation of the roots from the growth 
substrate.
Standard potting substrates typically contain sphagnum peat mixed with perlite or vermiculite. These well-drained, organic-wealthy mixtures support a proper balance of drinking water and oxygen while also offering exchange areas for plant nutrition. Separation of plant roots from the potting substrate, however, is impossible.
An oil expansion chamber controls the pressure in the drive unit and further escalates the reliability of the unit. Consequently, the drive unit can be used in every placement. We has been tested under severe conditions with high operating cycle and excellent results have been achieved.
The new kind of greenhouse reducer is a window in the greenhouse, universal screen reducer, it uses aluminum die-cast housing, beautiful appearance, light-weight (about 20 kg), good high temperature dissipation, output torque (400N.m ~ 800N. m), low noise characteristics. It adopts bottom level mounting and part mounting, which facilitates set up and reduces the labor intensity of the installation employees.
reducer in addition to light-weight, high strength aluminium alloy shell, the internal usage of a three-stage helical equipment transmission, thin oil lubrication. Improved transmission performance and service life. Its limit device offers two types of collision prevent and spring sheet for clients to select. The limit adjustment is easy, and the positioning precision is high (especially the spring type). Could be adjusted within the range of 1~75 rpm to regulate the stop between your positive and negative of the electric motor. There is no double insurance change to ensure safe operation.
1. The cabinet structure is solid, reasonable, dependable performance, simple operation and maintenance
2. The limiting device gets the best wiring method, through three micro-switches, each of which features as a brake, emergency brake, and phase mistake protection
Columnar containers are preferable to pots because they are able to support deep root growth while taking up much less bench space. Many columns can be arranged within a little area, such as a gas-exchange chamber, therefore maximizing the number of remedies and replications in confirmed space.
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