Hydroponics is a subset of hydroculture, the method of growing plants without soil, using mineral nutrient solutions in a water solvent. Terrestrial plants may be grown with only their roots exposed to the mineral solution, or the roots may be supported by an inert medium, such as perlite or gravel. The nutrients in hydroponics can come from an array of different sources; these can include but are not limited to waste from fish waste, duck manure, or normal nutrients. Greenhouse Hydroponic System,Greenhouse A Hydroponics,Greenhouse Flat Hydroponics,Greenhouse Vertical Hydroponics JIANGSU SKYPLAN GREENHOUSE TECHNOLOGY CO.,LTD , https://www.engreenhouse.com
The root work should be carried out in the winter. The time should not be too late. The bauxite can be carried out multiple times. Technically, it should focus on "combine with fertilization. After spreading the organic fertilizer on the side of the rows between the rapeseed, the roots can be planted, and the soil can be covered with soil to prevent the loss of fertilizer. There are also It is conducive to the decomposition of organic fertilizers. The soil should not be too thick, in particular, the seedlings must not be buried too deep, otherwise it will affect the development of the light and axillary buds of the base of the seedlings, resulting in plant opening disorders; the second is combined with the cultivator loose soil, In the early winter, the rapeseed was cultivated and loose soil was cut into the soil, and the roots of shallow soil were combined.
Earthworm roots are an important measure for the field management of winter rapeseed, and also a measure to increase the yield of seedlings for root protection. Its main role is five aspects: First, it can thicken the top layer of the field, expand the scope of activity of the rape root system, promote the development of the root system, thereby increasing the area of ​​absorption of nutrients; Second, it can eliminate the stubble, leaves, weeds And bacteria, can enhance soil fertility and reduce pests and diseases; Third, you can warm fertilizer, especially after fertilizing roots, can not only increase soil fertility, but also increase the temperature of the topsoil, is conducive to antifreeze and root protection; Fourth, can reduce Disease. It can reduce the humidity in the field, and it is conducive to the deep rooting and suppression of the spread of diseases such as sclerotia, downy mildew, and white rust. Fifth, it can prevent lodging. The soil has thickened the root soil layer, improved the plant's support ability and prevented lodging.