Root control, as the name suggests, is the container that controls the growth of the seedling root system. Accurately speaking, it can regulate the growth of the roots of seedlings, controlling the growth of the main roots on the one hand, and promoting the development of fibrous roots on the other, increasing the total amount of practical roots. We know that once the roots of seedlings are developed, many problems will be solved. For example, the problem of transplanting large trees, such as the issue of planting the entire crown, and the problem of planting in the off-season, can all be resolved more steadily. However, in actual use, there are several seemingly minor details that are easily overlooked by us. As a result, the root controller may not achieve the root control effect, and may even be worse off. Here we propose to analyze one by one.

The root and the back of the root control

Are there roots on the root controller? The answer is yes. To know the front and back of the root controller, first understand its structure and its rooting principle. The earliest root control device consists of three parts: the chassis, sidewalls, and clasps. Later, for the convenience of assembly and cost savings, the buckles were changed into plastic screws. However, since the plastic screws easily come off, the entire container is disassembled, and the most recently seen suture material is a U-type screw. However, there are also workers who report that they are not very convenient to use and may still need improvement.

The reason why the root is controlled is because of the unique design of the side wall. The side wall of the root control device is a two-sided three-dimensional shape with concave and convex sides, and a small hole is formed on the outer top end of one side. This structure not only enlarges the surface area of ​​the side wall, but also provides conditions for the lateral root "air shear" (air trimming). The so-called air trimming, that is when the seedling root system grows outwards and downwards, contacts the air (small hole), the root tip stops growing. As I said before, the root controller not only has to control the roots, but also triggers new roots. Therefore, only when the top of the hole with the small hole facing outwards, the root system after the "air shearing" is affected by the influence of the external light and heat, the germination hair root will be transferred to the inner wall. On the other hand, if the inner wall is a hole, it will not only produce a "air shear" effect, but the root will not extend toward the closed outer wall. When planting in the future, unlocking the root control device is still a loose structure that also affects the survival rate. In a word, the root control device has positive and negative sides, with the small hole on the top facing outward and the other side facing inward.

Rooting watering problem

The root control device is different from other containers. One of the features is that it is covered with holes. And this has also had many negative effects on our watering work. As soon as water enters the root control, it flows out of the upper hole. The surface is wet, and the large section below is dry, which is what we often say. To solve this problem, we must first start with the preparation of nutritious soil. The nutrient soil used to control the root device must be two or more than two substrates, and a very good mixture of gas permeability and water permeability prepared by a certain ratio. This is conducive to root growth, but also conducive to the absorption of water and fertilizer.

Secondly, when planting plants with a root control device, be sure to leave a blister of 5 cm to 10 cm, surrounded by high water, and low in the middle. This is easily overlooked. If there is no special confession, the workers will, like the general containers, leave a little bit of space along the way. They do not know that the height of the surrounding area is a little higher, and they are similar to the leeches that were planted in open fields.

The last point to emphasize is that when watering, it must be poured slowly with little water until the water naturally seeps out from the bottom of the root control.

Controlling the transport of roots

The transport problem to be mentioned here refers to a few details in the nursery loading process. The first thing to notice is to protect the integrity of the root controller. It should be noted that the root controller is a combination container that, once disassembled, is difficult to repack. Therefore, before moving, be sure to check the integrity of the root control device and move it with a sack or rope. Second, in the loading process, try not to stack, if it must be superimposed, do a good job in the middle of the protection with a baffle, to avoid the pressure of the lower root control device.

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