At the beginning of spring, it is necessary to pour enough green water. As a result of the long winter, the soil moisture is less, more dry, and the salt and alkali return. If the water supply is insufficient at this time, Zanthoxylum is often prone to die of water shortage or physiological drought. Remember to water the soil surface should be about 30 cm, to flood
With the temperature rising, the growth of Hosta increased. At this time to control the number of watering, or it will cause the root of Hosta to focus on the soil table.
3. After a light rain in April, due to the accelerated return of salt and alkali in the soil, the Hosta hairpin must be watered in time, and the watering depth should be 20-30cm.
The suitable watering time in early spring is at noon, when the water temperature is high, irrigation is not easy to damage the root system.
Pay attention to watering in summer. Although summer precipitation is more, but not balanced, rainfall interval sometimes very long, at this time must be watered.
The rainy season in North China is in July and August. At this time, the air humidity is high, the temperature is high and the humidity is high. We should do a good job in the drainage and ventilation of Hosta flower. We should water it once a month, especially after the light rain, we should pay attention to make up the water to prevent the back salt and alkali from burning the leaves.
When watering, we need to pour it through, about 30 cm deep into the soil layer. Next time, we need to wait for the hairpin to wilt slightly. Watering is not easy to be frequent.
The suitable watering time in summer is generally in the early morning. Try not to water in the evening or in the evening. In this time, keep the leaves dry to prevent the disease of plants. And do not water at noon, when the temperature is high, it is easy to cause plant burns and disease. Water should be even, do not appear too dry or too wet.