How to prevent the dry tip of garlic

Garlic in the cultivation process, the common leaf dry tip phenomenon, that is, the leaf tip is a dry yellowing performance, then why the leaf dry tip, there are any different reasons. If there is a dry tip, how to deal with it. What kind of cultivation can be done to prevent dry tip before planting. Let's take a look at it.

1. Cause of occurrence

During the rotten mother period, the nutrition supply was uneven, and the phenomena of yellow leaves and dry tips appeared, and the nutrition of garlic mother was exhausted in the early stage. It may also be caused by malnutrition, element deficiency, magnesium deficiency, old leaf chlorosis, leaf tip will gradually die; boron deficiency, new leaf yellowing and leaf death; calcium deficiency leaf downward bending, leaf tip death. Too high temperature, evaporation dry tip, freeze damage dry tip; high humidity or drought is also possible. Excessive use of chemical fertilizers and exposure to toxic gases. Disease effects, such as leaf blight and blight, pests, such as garlic maggots.

2. Nutrition adjustment

Pay attention to the period of rotten mother can be appropriate topdressing, the use of farm manure extract mixed with water, can not hurt the young roots. Nitrogen fertilizer is needed in the later stage, and phosphorus and potash fertilizer is added in the early and middle stages. Base fertilizer uses adequate farm manure. After emergence, the nutrition of garlic mother is used up, and the following differentiation requires timely topdressing and the use of quick-acting compound fertilizer. During the whole growth period, trace element fertilizer is sprayed at any time.

3. Temperature and humidity

Avoid excessive temperature, planting in autumn and winter, if there is high temperature, need to be adjusted by water control, a small amount of water for many times. It is best to build a sunshade net, shading can avoid water evaporation quickly, to avoid the loss of water dry tip. If there is a heavy rain, the soil moisture will increase immediately, so it is necessary to quickly reduce the humidity and dredge the drainage. It is often watered in the evening during the dry season. Pay attention to heat preservation and prevent frost damage in winter.

4. Other hazards

In general, it is necessary to prevent leaf blight and blight, both of which can cause leaf yellowing, especially from the tip of the leaf. There are other diseases. Plant disease-resistant varieties and cultivate strong seedlings. Crop rotation is carried out to reduce the disease. To prevent garlic maggots, eating underground will cause yellowing of the ground. The root was irrigated with cypermethrin. Pay attention to the use of farm manure and less chemical fertilizer. Plant in a nearby place where there is no factory pollution.

Garlic dry tip is a common situation, the reasons are complex, the situation is different, must be determined, in order to timely and effectively carry out correct treatment and improve symptoms.