In the summer, the temperature is high, the evaporation is large, and the spraying and watering of potted plants and the number of waterings are increased. Watering plants is generally from 9am to 10am and from 3pm to 4pm. Evergreen leaf-blossom flowers, with hot dry leaves when hot. Therefore, it should generally be placed in the shed under the summer, at noon can be sprayed on the foliage and the nearby ground water to cool, increase humidity. General flowers, avoid watering at noon. Because of the highest temperature at noon, the temperature of the leaf surface can be as high as 30 degrees, the stomata opens wide, and the transpiration and respiration increase. At this point if the sudden spray, water temperature is only a dozen degrees, will make the leaf cells appear tense and cause wilting. In addition, the temperature of the potted earth is also very high. Watering with cold water, and the root hairs being stimulated by low temperature, will immediately affect the absorption function of the root hair, instead causing water loss, which causes the plants to wilt. For the evergreen foliage flowers under the arbours, when watering at noon, it is best to use the dripping water. In this way, the temperature difference between the water temperature and the air temperature and the soil temperature can be reduced, and chlorine, bleaching powder, etc. in the water can be released to facilitate flower growth.
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