The principle of watering bonsai

1. The principle of watering

"if you don't dry, you will water thoroughly." this is the principle of watering bonsai. It should be noted that watering avoid public wet topsoil watering "half of the water", also known as "waist water", that is, insufficient water, basin soil wet under dry. "half of the water" because the lower part of the basin soil is not wet, so it is extremely disadvantageous to the root water absorption. In short, when the basin soil is dry, it should be watered enough until it is wet up and down.

2. the method of watering

[1] look at the seasonal watering: the stump begins to grow in spring, and the amount of water required increases gradually, but it should not be too much. When the branches and leaves grow more and more, the amount of water should be properly controlled to restrict the growth of piles. Hot summer, tree transpiration and basin soil water evaporation are large, so the amount of water is the largest. When autumn is dry, more water should be watered accordingly. When the temperature drops and the weather turns cool, the amount of water should be controlled gradually to prevent new shoots. After the beginning of winter, the trees enter the dormant period, and the amount of water should be reduced. If there is severe freezing weather, it is necessary to pour enough water before the severe cold to prevent death from dry freezing.

[2] watering at the age of trees: the transpiration of conifers is relatively small, and the amount of water can be less. Among them, the pine should be dry, the cypress is more resistant to moisture, the leaf area of broad-leaved trees is larger, the transpiration is larger, and the water loss is more, so the amount of water should be larger. Young trees grow more vigorously than old trees, and their water demand is correspondingly higher. The old stump with weak growth needs less water.

[3] look at the stage of growth and development: when the trees are in the stage of tapping and spreading leaves, the amount of watering should be properly controlled in order to prevent overgrowth. In the period of flower bud formation, water should be limited in order to promote flower bud differentiation. The water content of young fruit should be sufficient during the expansion period after anthesis. When the growth of trees turns into a slow period, the amount of water should be reduced gradually. After entering the dormant period of deciduous leaves, the water demand is less, and the basin soil should be dry and slightly moist.

[4] watering depends on the type of pot soil and the size, texture and placement environment of the pot. In addition, trees should be fully watered after potting and turning. The next day after fertilization, it should be watered once, commonly known as "turning back water". When there is a big difference between the water temperature and the basin soil temperature, it can not be watered immediately, but can only be carried out when the two temperatures are close. Generally speaking, it is suitable for watering in the morning and evening in spring, summer and autumn. Winter takes place around noon.

There are three ways of watering: first, watering the root, that is, pouring water on the basin soil surface with a kettle or spoon, which is the basic form of watering. When watering, you can't use a faucet or a kettle to lift it too high, so as not to wash out the basin soil and cause soil consolidation. The second is foliar spray, which is very beneficial to trees that naturally grow in alpine clouds, such as five-needle pine, cypress, rhododendron, camellia and so on. This kind of trees often spray water on their leaves from spring to autumn, and they will grow well. Do not spray water frequently for deciduous trees, as long as you spray water every once in a while to keep the leaves clean. The third is to soak the basin soil. When the miniature bonsai is not easy to penetrate or prevent watering to wash the basin soil, the pot can be immersed in water for a while and picked up after the water is fully moistened.