Our columns are made of 2” diameter PVC pipe. A bell-shaped reducer fitting guaranteed to underneath of the pipe stabilizes the column, and in addition holds in place a mesh screen. The mesh supports the Turface substrate while also allowing water to drain by gravity. An automated watering system provides a dilute nutrient option to each column. The watering program is programmed to include small amounts of nutrient answer at the substrate surface 20 times each day. This high frequency will keep the 
tops of the columns moist and ensures delivery of nutrition 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 development substrate.
Regular potting substrates typically contain sphagnum peat blended with perlite or vermiculite. These well-drained, organic-wealthy mixtures support an appropriate 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 position. We has been tested under severe conditions with high operating routine and positive 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 features. It adopts bottom mounting and side mounting, which facilitates set up and decreases the labor strength of the installation workers.
reducer in addition to light-weight, high strength light weight aluminum alloy shell, the inner utilization of a three-stage helical gear transmission, thin oil lubrication. Improved transmission effectiveness and service existence. Its limit device offers two types of collision block and springtime sheet for customers to choose. The limit adjustment is usually practical, and the positioning accuracy is high (especially the spring type). Can be adjusted within the range of 1~75 rpm to regulate the stop between the negative and positive of the engine. There is no double insurance change to make sure safe operation.
1. The cabinet structure is solid, reasonable, dependable performance, simple procedure and maintenance
2. The limiting device has the best wiring technique, through three micro-switches, each which features as a brake, emergency brake, and phase mistake protection
Columnar containers are preferable to pots because they can support deep root growth while taking on much less bench space. Many columns can be arranged within a little area, such as a gas-exchange chamber, thereby maximizing the number of treatments and replications in confirmed space.