Are your green and yellow leaves?
As an evergreen tree in the home green plant industry, green radish is deeply loved for its strong vitality and air purification function. However, many flower lovers have found that even if they are watered and fertilized on time, the leaves will still turn yellow for some reason. Today, we will reveal three of the most easily ignored placement misunderstandings through an environmental perspective. Taboo position 1: Hazards of excessive light in direct light areas Green radish is native to the bottom of tropical rainforests and has evolved shade resistance. Experimental data show that when the light intensity exceeds 15000lux, leaf stomata will be stressed and closed, resulting in a decrease in photosynthesis efficiency by more than 30%. The measured illumination value on the windowsill often reaches 30,000 - 50,000 lux, far exceeding its tolerance range. The scientific light filling plan recommends adopting the "3+3" light filling rule: receive soft light for 3 hours before 9 o'clock in the morning or after 4 o'clock in the evening every day, and place it 1.5 meters away from the window for the rest of the time. It can be used with the illuminance meter APP for real-time monitoring to control the light intensity within the optimal range of 5000-8000lux. Taboo position 2: Thermal radiation in the electrical appliance radiation area Double damage When home appliances are operating, local high temperatures of 30-50 ° C will be generated, and 0.3-1.6μT electromagnetic radiation will be released at the same time. Experiments at the Institute of Botany of Tsinghua University have proved that this complex environment will increase the permeability of green radish cell membrane by 40%, accelerating water loss. It is recommended to use an infrared thermometer to regularly detect the temperature of the placement area. Taboo position 3: The invisible killer of air flow at the air conditioner outlet Air-conditioning air supply will cause the environmental humidity to drop by 60%-80%. When the wind speed exceeds 2m/s, the leaf transpiration rate will increase by three times. It is recommended to set up a "green plant safety area" 2 meters diagonally away from the outlet, and cooperate with a hygrometer to maintain 55%-75% RH. An atomizing humidifier can be configured if necessary.
Three-dimensional maintenance is achieved through professional flower stands, which not only ensures air circulation, but also freely adjusts the light angle. Regularly monitoring soil electrical conductivity with EC value detector and foliar spraying iron chelate fertilizer can increase the green rate of yellow leaves to more than 90%.