How to fertilize autumn Chinese cabbage? These tips you need to master

There are relatively many Chinese cabbage growers in autumn, but the cabbage quality varies greatly from household to household. The reason for these phenomena is actually our wrong fertilization methods. Below is an introduction to autumn Chinese cabbage fertilization techniques!

1. Broadcast application

After the Chinese cabbage has been watered in the early stage or after rain, when the soil moisture in the beds is suitable and you can enter the field, spread a measured amount of chemical fertilizer evenly over the bed surface or between the plants and rows. This fertilization method is also relatively simple, but part of the fertilizer components will volatilize and be lost. For example, ammonium bicarbonate is highly volatile and cannot use this method; urea can be broadcast, but only before the Chinese cabbage has spread to cover the ground fully. It is not very convenient to operate and is chosen when the cabbage seedlings have an urgent need for fertilizer. Take care to prevent the chemical fertilizer from falling into the curled leaf hearts.

2. Flush application

When watering Chinese cabbage, scatter a measured amount of chemical fertilizer into the irrigation ditch to dissolve, and let it seep into the soil around the root system along with the water. This method wastes a relatively large amount of fertilizer, is prone to seepage loss within the channels, and part of the fertilizer will also seep into deep layers that the roots cannot reach. Its advantages are that it is simple to use, saves labor and time, and requires relatively little work. When severe fertilizer deficiency symptoms appear over a large area, it can be used as the first choice for topdressing.

3. Buried application

In the middle and late stages of Chinese cabbage growth, dig trenches or pits between the plants and rows, apply a measured amount of chemical fertilizer into them, and then cover with soil. When applying, pay attention to safety. The fertilizer burial trenches and pits should be more than 10 cm away from the main roots of the cabbage. If they are too close to the roots, the root system is easily damaged. To prevent negative effects, water promptly after buried application to reduce the fertilizer concentration and improve fertilizer efficiency.

4. Foliar spraying

In the management of Chinese cabbage, in addition to paying attention to timely topdressing, foliar spraying can be carried out multiple times together with pest control. This fertilization method uses a small amount, has quick fertilizer effect, and can avoid nutrients being fixed by the soil. It is a labor-saving and effective fertilization method. The fertilizers used for foliar spraying include commonly used fertilizers such as urea, monopotassium phosphate, potassium sulfate, potassium nitrate, and compound fertilizer. In addition, fertilizers sold on the market that contain major elements and various amino acid components have a certain effect. However, the nutrients needed for vegetable growth and development mainly come from base fertilizer and other topdressing. Foliar spraying can only serve as a supplementary fertilization measure.

5. Facility topdressing

In recent years, with the promotion and application of science and technology, the matching drip irrigation technology has been widely used, and fertilization methods have moved toward automation. Using drip irrigation facilities for topdressing, the specific application method is: install a Venturi fertilizer injector at the main pipe where the water source enters the drip irrigation facility, dissolve the chemical fertilizer in a container, and insert it into the suction pipe filter of the Venturi fertilizer injector. The fertilizer will then automatically enter the soil around the crop root system along with the watering. The fertilizer is not prone to volatilization and has no loss. Although the fertilizer is concentrated, the concentration is low, so it is relatively safe, saves labor and time, and the effect is good. Using drip irrigation technology for fertilization is currently the most scientific and most promising topdressing method. Therefore, the topdressing of Chinese cabbage can fully use this scientific and advanced fertilization method.

The above is what this article introduces about how to fertilize autumn Chinese cabbage and some simple information about autumn Chinese cabbage fertilization methods. We hope it can help everyone better grow autumn Chinese cabbage in the upcoming autumn.