Everything you need to know about NPK fertilizers
One of the types of fertilizers is chemical fertilizers, in which complete fertilizers or NPKs fall into this category. Today, the importance of chemical fertilizers in agriculture and horticulture is undeniable. In this article, after introducing complete fertilizer or npk, we will get acquainted with different types of npk fertilizers such as three twenty fertilizers, 10-52-10 fertilizers and… and the application of each of them. If you want to choose the best npk fertilizer for your plants, join us. Because in this article we are going to cover everything you need to know about NPK fertilizers.
Familiarity with Everything you need to know about NPK fertilizers
What is NPK fertilizer?
If you are also interested in growing plants in the garden or at home or are professionally engaged in gardening, you must have come across the term NPK fertilizer. But what does this naming mean? Each of the letters N, p and K represent one of the macro elements required by the plant:
N: Nitrogen
P: Phosphorus
K: Potassium
Macro elements are those nutrients that the plant needs the most during growth and development. Other elements (such as boron, manganese, etc.) are called microelements, which the plant needs in very small amounts. NPk fertilizers usually contain some trace elements in their composition and for this reason they are called complete fertilizers.
What is the order of the elements (N, P and K)?
You may be wondering why NPK is not called PKN or KPN? This order of the elements in the name of fertilizer is not meaningless and in fact the order shows their importance during the life of the plant. If we divide the plant life into three periods of planting, holding and harvesting, the plant will need more nitrogen (N) in the planting stage, more phosphorus (P) in the planting stage and more potassium (K) in the harvesting stage. Of course, this includes exceptions. For example, phosphorus can help plant rooting during planting. In the following, we will get acquainted with the function of each of these elements in the plant.
Necessity and function of each macro element for the plant
Nitrogen
This element helps the plant to grow foliage and makes the plant seeds germinate faster. Nitrogen also increases crop quality and increases plant photosynthesis. One of the signs that your plant is deficient in nitrogen is the discoloration of the leaves. If you notice this sign, it is better to give the plant NPK fertilizer with a high percentage of nitrogen.
Phosphorus
Phosphorus fertilizer helps rooting, flower and flower production as well as plant resistance to environmental stresses. If your plant is shocked for any reason, you can give it phosphorus fertilizer to deal with plant stress. Symptoms of phosphorus deficiency include shrinkage of the leaves and terminal buds of the plant.
potassium
This element helps to increase the quality of flowers and fruits of the plant. It also improves the quality of the fruit and increases its size by increasing the production of proteins. Another application of potassium is to reduce plant diseases and pests. Yellowing and discoloration of the plant’s leaves is one of the signs that your plant is deficient in potassium.
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Types of NPK fertilizers
The three numbers in the title of npk fertilizers indicate the value of three macro elements (n, p and k) for the plant. The number with the highest value indicates the missing element that makes up the highest percentage of fertilizer. For example, fertilizer 30-5-15 has more potassium than other elements, or for example, fertilizer has three to twenty (20-20-20) equal proportions of macro elements. The number zero in the fertilizer title means that it does not have that element. For example, 0-0-10 fertilizer has only the element nitrogen. In the following, we will introduce the types of NPK fertilizers and the application of each one so that you can easily select and prepare the fertilizer your plant needs from them:
Fertilizer 20-20-20
This fertilizer is the best NPK fertilizer to strengthen the plant leaves. Fertilizer has three to twenty macro elements required by the plant, namely nitrogen, phosphorus and potassium, each with a concentration of 20%. Of course, this fertilizer also contains micro (low consumption) elements such as copper, iron, zinc and.. This fertilizer is available in the form of crystalline and blue powder in the market. Twenty Twenty Fertilizer is a complete fertilizer that, if used, causes the plant to grow and increase its height. It also helps to improve the quality of the fruit and its color and taste. This fertilizer is suitable for fruit trees, summer crops, vegetables and a variety of flowers.
18-18-18 Fertilizer
In addition to macro elements, this fertilizer also contains micronutrients needed by the plant such as zinc, manganese, copper and.. 18-18-18 fertilizer is very suitable for ornamental plants as well as for flowering plants such as orchids, roses and geraniums. The best time to use this fertilizer for flowering plants is during their vegetative growth. This fertilizer is available in powder and odorless form in the market.
12-12-36 fertilizer
This fertilizer is called flowering fertilizer. Increasing flowering and increasing plant resistance to pests are some of the functions of this fertilizer. It is better to use this fertilizer when the plant is ready for flowering. You can use it for flowers such as lilies, orchids and roses.
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10-52-10 Fertilizer
Fertilizer has 10-52-10% high phosphorus and is effective in strengthening the roots and rooting process. This fertilizer can be prepared in powder form and in aluminum packages. You can use this fertilizer for most agricultural products. Another advantage of 10-52-10 fertilizer is that it helps the plant to germinate and prevents the leaves from turning yellow.
20-5-10 Fertilizer
This fertilizer can be used for houseplants, shrubs and bonsai. Due to the high nitrogen content of the fertilizer, it can be useful for green potted plants such as palms and houseplants
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