Potted plants, as a common choice for home decoration, have always been a concern for maintenance issues. Many plant enthusiasts encounter a problem during the maintenance process: How to fertilize correctly without replacing the soil in potted plants? This article will reveal the fertilizing techniques for potted plants without soil replacement to help you grow healthy and beautiful potted plants.
Understanding the reasons for not replacing the soil in potted plantsBefore discussing fertilizing techniques, let's first understand why we do not replace the soil in potted plants. Frequent soil replacement increases maintenance costs; the process of replacing soil easily damages the root structure of potted plants, affecting their growth. Therefore, reasonable fertilizing becomes the key to maintaining the health of potted plants.
Choosing the right fertilizer1. Liquid fertilizer: Liquid fertilizer is easy to absorb and suitable for potted plants without soil replacement. When fertilizing, you can dilute it according to the growth stage and fertilizer requirements of the potted plant and apply it to the leaves or pour it around the roots.
2. Solid fertilizer: Solid fertilizers like slow-release fertilizer can release nutrients for a long time, reducing the frequency of fertilizing. However, in the case of not replacing the soil, you should choose granular or tablet solid fertilizers to avoid clogging soil pores.
Fertilizing methods1. Watering method: Dissolve the fertilizer in water, dilute it according to a certain proportion, and evenly pour it around the roots of the potted plant. Note that when fertilizing, avoid letting the fertilizer touch the leaves to prevent burning the leaves.
2. Foliar spray method: Dilute the fertilizer and evenly spray it on the leaves of the potted plant. This method is suitable for plants that enjoy fertilizer, such as epiphyllum, chandelier plant, etc.
3. Root external fertilizing method: Dissolve the fertilizer in water and spray it around the soil of the potted plant's roots with a sprayer, allowing the fertilizer to penetrate into the roots.
Fertilizing frequency and amount1. Fertilizing frequency: Adjust the fertilizing frequency according to the growth stage of the potted plant and seasonal changes. Generally, fertilize once a week during the vigorous growth period and once or twice a month during the slow growth period.
2. Fertilizing amount: The amount of fertilizer should be determined based on the size of the potted plant, its growth condition, and the concentration of the fertilizer. Excessive fertilizing can cause root burning, yellowing of leaves, and other problems.
Fertilizing precautions1. Check the soil moisture before fertilizing to avoid soil that is too wet, which can prevent the fertilizer from taking effect.
2. Water promptly after fertilizing to help the fertilizer penetrate into the roots.
3. Pay attention to the growth condition of the potted plant and adjust the fertilizing plan according to the actual situation.
The fertilizing techniques for potted plants without soil replacement require us to apply them flexibly according to the actual situation. By choosing the right fertilizer, mastering the correct fertilizing methods, and adjusting the fertilizing frequency and amount reasonably, we can effectively maintain potted plants and help them grow robustly. I hope this article can provide help for your potted plant maintenance journey.
References:
《Household Gardening Fertilizing Techniques Manual》, China Agricultural Publishing House, published in 2019.
《Potted Plant Fertilizing Guide》, China Forestry Publishing House, published in 2018.