What Kind of Fertilizer Should Be Used for Rhododendron Base Fertilization
Today's sharing: Introduction to green plants and flowers that are good for rhododendron base fertilization, and we will take everyone to understand together next.
What Kind of Fertilizer Should Be Used for Rhododendron Base Fertilization
The role of rhododendron base fertilizer is to provide the nutrients needed for the entire growth period of the plant, to create good soil conditions for plant growth and development. Because the rhododendron roots are very delicate, the substrate requires looseness to facilitate ventilation and drainage. You can use 1 part vermiculite, 1 part perlite, 1 part river sand, and 1 part coal slag mixed in proportion, and place the fertilizer between the pot soil.
Role of Rhododendron Base Fertilizer
The role of rhododendron base fertilizer is to provide the nutrients needed for the entire growth period of the plant, to create good soil conditions for plant growth and development, and to improve the soil and promote soil fertility. When should rhododendron base fertilizer be applied? Rhododendron base fertilizer is generally applied during spring planting. Attention should be paid to using ventilated and clean pot soil when planting. The flower pot and soil should be disinfected and sterilized before use, otherwise, bacterial growth can harm the plant's roots.Selection of Rhododendron Base Fertilizer
Rhododendron roots are very delicate and require loose substrate to facilitate ventilation and drainage. Use 1 part vermiculite, 1 part perlite, 1 part river sand, and 1 part coal slag mixed in proportion. After mixing the substrate, sterilize with a 0.1% carbendazim solution, mix evenly with the substrate, cover with plastic film for 1 day, and then rinse with clean water multiple times, dry, mix with a 0.4% agricultural compound fertilizer solution, and cover with plastic film for one month before potting. What kind of base fertilizer is good for rhododendron potting? When repotting rhododendrons, it is best to prepare the base fertilizer according to the original base fertilizer of rhododendrons. Plants cultivated with pine needle soil before should still choose pine needle soil, and can add a small amount of decomposed horse manure and bone meal. Soak the pine needle soil with water before use. For those cultivated with mountain soil, mountain soil should still be used.How to apply rhododendron base fertilizer Rhododendron base fertilizer is placed between the pot soil during planting or repotting. Do not let the base fertilizer come into contact with the rhododendron roots. That is, after adding the fertilizer, cover it with a layer of soil before planting the rhododendron to avoid fertilizer damage. How much rhododendron base fertilizer is appropriate? It is more appropriate to mix 1 part vermiculite, 1 part perlite, 1 part river sand, and 1 part coal slag in proportion for rhododendron base fertilizer. How to top-dress rhododendron base fertilizer Top-dressing is the fertilizer applied during the growth period of rhododendrons. The general application time is after flowering, when it has finished flowering, and can be top-dressed in time to promote the germination of new buds and enter a new growth period. When top-dressing, use quick-acting fertilizer, which can be relatively single, and the fertilizer effect should be fast. In the cool autumn season, phosphorus and potassium fertilizers need to be top-dressed, and the application of nitrogen fertilizer should be controlled to promote flower bud differentiation.
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Knowledge Expansion
What is the management method for rhododendrons in spring
Rhododendron is one of the ten famous flowers in China, so how should rhododendrons be managed in spring? Let's take a look.
Rhododendron spring management method: watering
Spring is the growth period of rhododendrons, at this time we need to ensure that rhododendrons have enough water for growth, because rhododendrons like a humid growth environment, if we do not give enough water in spring, the growth of rhododendrons will be delayed. However, if there is a lot of rainfall in spring, we can reduce watering appropriately.
Fertilization
After talking about watering, let's talk about fertilization. The growth of rhododendrons requires sufficient nutrition, but the soil nutrients are limited and cannot meet the growth needs of rhododendrons. Therefore, we need to supplement fertilizer for rhododendrons in spring. Rhododendrons not only grow rapidly in spring, but also germinate flower buds. Therefore, the nutrient components should be complete when fertilizing, and nitrogen, phosphorus, and potassium elements are indispensable.
Pests and Diseases
Spring is not only the growth period of rhododendrons, but also the time when pests and pathogens gradually become active. Therefore, we need to prevent the occurrence of pests and diseases in spring. The first point is to maintain good ventilation, because a large part of the occurrence of pests and diseases in rhododendrons is caused by poor ventilation. Good ventilation can reduce the occurrence of pests and diseases. If pests and diseases occur, we need to apply pesticides in a timely manner to treat them.
What to do if the roots of rhododendrons rot
If it is caused by excessive watering, rhododendrons should be placed in a cooler place, and ventilation should be strengthened to accelerate the evaporation of water. During this period, watering should be suspended, and usually after one to two weeks, the roots will gradually recover and grow, and then return to normal maintenance. If it is caused by too concentrated fertilizer and too much water, promote drainage, remove excess fertilizer, and avoid direct sunlight.
Watering
One of the reasons is that due to excessive watering, if the source of water is found to be due to this reason, it is necessary to place rhododendrons in a cool place, and then strengthen ventilation, so that the pot soil of rhododendrons will not be too wet, and the symptoms will be alleviated. We cannot let the sun shine directly, nor can we continue to water until the pot is dry. It usually takes two weeks to enter the normal maintenance state during this period, and new roots will grow slowly.
In normal times, we are also improving water quality. It is best to use rainwater. If not, use pond water, river water, etc. If you need to use tap water or fix rhododendrons for a few days, the time is about seven to ten days.
Fertilizer
If it is due to too concentrated fertilizer, we should wash away the fertilizer with heavy water, and then place the rhododendrons in a place with more ventilation, and not let the rhododendrons be directly exposed to the sun. In addition, when we usually use water fertilizer, we cannot use chemical fertilizer, but some animal manure plus vinegar water.
Pot Soil
If the roots are severely rotten, we need to dig the rhododendrons out of the soil, cut off some rotten roots, and then use a new flower pot to care for the rhododendrons. It is best to pour some root-fixing water, and then place the rhododendrons in a cool place without sunlight.
Root Rot Disease
The disease is caused by fungi, usually occurring in the roots and stems, as these parts are generally humid and sunny. If this disease occurs, we must deal with dead plants in a timely manner, and the soil also needs to be treated, because this thing has a strong infectivity and is easy to spread in alkaline, humid, warm temperature, and higher places. Nearby plants can be cleaned with potassium permanganate, then rinsed with clean water, and placed on the pot. The soil in the pot can also consider being irrigated and sprayed with a certain concentration of carbendazim, which is conducive to eradication.
Do rhododendrons like water or drought
Rhododendrons like water because rhododendrons prefer to keep the environmental humidity at about 80% during the growth process, which can make rhododendrons develop better. It is very simple to judge the watering method of rhododendrons. Just gently press the soil with your fingers, and if it feels wet, you don't need to water, otherwise, you need to water.
Do rhododendrons like humidity or drought
Rhododendrons are water-loving plants. They are actually quite sensitive to water. Rhododendrons like a humid environment, which can satisfy the growth needs and produce healthy branches and leaves, as well as beautiful flowers.
Rhododendrons like waterRhododendrons are relatively water-loving during the growth period, but they are not resistant to waterlogging. If there is too much watering, it is necessary to quickly drain the accumulated water, then loosen the soil to make the accumulated water drain quickly. If it is serious, take it out to cool the roots and then replant it.
Rhododendrons like droughtRhododendrons are not resistant to drought or waterlogging. They can still grow even if they are dry for 1-2 days, but long-term drought will not only affect their leaves but also their flowering.
Do rhododendrons like shade or sunlight
Rhododendrons like shade and are suitable for growing in cool and humid climates, requiring good ventilation in the growing environment. Although rhododendrons like shade, they need sunlight during the growth period, especially before flowering, as sufficient sunlight is beneficial for the opening of rhododendron flowers.
Rhododendron Watering
Rhododendrons are relatively water-loving during the growth period. In spring and autumn, water 2-3 times a week, water every day in summer, and water every ten to half a month in winter. In addition to normal watering, spray water mist around the plants in summer.
Related Issues
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