How to water boxwood bonsai leaves turn yellow?

Huang Yang, also known as evergreen, can be seen in daily life, roadsides, parks, isolation zones and other places that need to be afforested. Populus tomentosa wood is excellent, whether it is the production of household or as building materials are high-quality materials. Many people want to plant boxwood. So, what is the standard of watering boxwood bonsai in daily planting? What if the leaves turn yellow?

How to water boxwood bonsai

Huang Yang likes water and should follow the principle of "better wet than dry" in watering Huang Yang. When Populus tomentosa was still a seedling, the root system was shallow and watered a small amount for many times to keep the surface soil moist. The rapid growth of seedlings requires a lot of water, so the amount of irrigation should be increased and watered thoroughly each time.

In the later stage of seedling growth, in order to avoid excessive growth of seedlings, we should start to control watering, preferably in the morning or evening, and avoid being carried out at noon.

Huang Yang likes to be wet and can adapt to the cloudy and rainy weather for a continuous month, but can not accumulate water for a long time. Transplanting in summer or when sprouting new buds should pay attention to avoid long-term sun exposure and prevent the potted soil from getting too wet.

What if the leaves of boxwood bonsai turn yellow?

The leaves of boxwood turn yellow, depending on their occurrence characteristics, there are the following situations:

First, the water is yellow. It is characterized by no obvious change in old leaves and yellowing of young leaves, which should be controlled immediately.

The second is drought and yellow. Its characteristic is that the old leaves are yellow first from the bottom up, and if it is short of water for a little longer, the whole plant will be yellow, or even die, so it should be watered in time.

The third is fat yellow. It is characterized by thick, shiny and uneven young leaves, which should be fertilized, ploughed and watered.

Fourth, hungry yellow. Its characteristic is that the young leaves and tender stems are yellow first. If you do not apply fertilizer in time after seeing this phenomenon, it will also cause yellow leaves and even death of the whole plant. For flowers that lack fertilizer, do not apply a large amount of thick fertilizer at once, so as not to cause root burning.

Fifth, iron deficiency yellow leaves. It is characterized by obvious young leaves, light old leaves, yellow mesophyll, green veins and a typical network, which can be solved by using ferrous sulfate solution as follows: 7 parts of cake fertilizer, 5 parts of ferrous sulfate and 200 parts of water.

Daily Fertilizer and Water Management of Poplar Bonsai

First, watering

The general principle is "no dry, no watering, watering thoroughly". If bonsai is planted in a shallow pot, it should be watered in the morning and evening when watering in summer. It is advisable to concentrate on 10:00 to 1pm when watering in winter. At this time, the temperature is higher, it is not easy to frostbite the root system. Second, loosen the soil

Using a bamboo stick of about 15 centimeters, gradually loosen the soil to the inside along the outside of the basin, the action should be light and powerful.

III. Fertilization

The main results are as follows: 1. The basic principle to be followed is to apply thin fertilizer frequently, more for those with strong growth and less for those with weak growth.

The fertilization time is from April to early November every year, and compound fertilizer and cake fertilizer are suitable. In these 7 months of fertilization time, an average of 2, fertilization in 2 to 3 times a month, to achieve frequent application of thin fertilizer, timely and appropriate amount.

3. When applying fertilizer, the proportion of bean cake water should be about 1:3 to 1:4. Under normal circumstances, the average monthly fertilization is 2 to 3 times.

4. Poplar bonsai can be applied compound fertilizer every month.

Fourth, wiping flowers

Boxwood bonsai usually blossoms from March to April every year. It is usually daubed at the end of April.

Pot-changing management of boxwood bonsai

First, select the basin.

Commonly used pots are tile basin, purple sand basin, stone basin, ceramic glaze basin and so on.

Second, change the basin

Poplar bonsai needs to be changed every 2 to 3 years, and each change is usually carried out from mid-March to early April or from late September to early October.

The specific steps for changing the basin are as follows:

1. According to the weather conditions before changing the basin, watering is not needed for 3 to 5 days. If the time is cloudy and rainy, it needs to be postponed to keep the soil in the basin dry.

2. Choose the tool according to the depth of the basin when changing the soil. The main tools we choose when changing soil in our scenic spot are bamboo sticks, pruning shears and ordinary scissors.

3. When changing the soil, if the basin is deep, you can choose a bamboo stick of 25 cm to 30 cm to pick the soil.

Boxwood has excellent wood quality, and has a strong role in absorbing harmful substances in the air, and has a good filtering effect on a variety of pollutants. In addition, Populus tomentosa is evergreen all the year round. As a bonsai culture, it can effectively relieve visual fatigue, relax the brain, and has high ornamental value.