What is the best fertilizer for young seedlings? What fertilizer is suitable for greening small seed

Small seedlings generally use fast-acting fertilizers to grow faster, and plant ash can be chosen.

Urea, potassium chloride.

etc., which can be quickly absorbed by plants.

However, when using, it is necessary to crush large particles or dilute them with water before use.

You can also use fully decomposed farm fertilizer, such as sheep manure, pig manure, cow manure, etc., which are good natural fertilizers.

You can also buy water-soluble fertilizer for fertile leaves, diluted and used.

All healthy fruit trees require a high amount of fertilizer. Although all plants need 16 elements, which are considered essential, a large number of elements are the ones that are consumed the most from the soil. It is important to fertilize regularly to keep the trees healthy.

The macronutrients that we should apply regularly are nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (mg) and sulfur (S), carbon, hydrogen and oxygen are also nutrients that are needed in large quantities, but these elements are provided by air, water and organic matter.

Of course, it is a ternary compound fertilizer, that is, a chemical fertilizer with nitrogen, phosphorus, and potassium, because there is no need to consider the problem of eating, and there is no need to worry about the amount of organic matter!

To put it simply, nitrogen fertilizer is the tube of leaves, phosphate fertilizer tube branching and flowering, potassium fertilizer tube fruit, the expansion of rhizomes, the strength of plants, and the color of the peel!

Therefore, if you are a sapling, you need all three elements, and you don't need to focus on it, you can supplement it in a balanced way, and if you apply fertilizer, you can do a good job of thin fertilizer and apply it frequently!

Like a small sapling, the fertilizer is best compound fertilizer, that is, nitrogen, phosphorus, potassium fertilizer, and the amount is relatively balanced. Secondly, the farmer's fertilizer is also very good.

In the process of growing young seedlings, nitrogen, phosphorus and potassium fertilizers are very much needed.

Seedling fertilization generally uses fast-acting fertilizers, such as plant ash, ammonium sulfate, urea, ammonium chloride, potassium chloride, diammonium, etc., these fertilizers must be completely crushed, not suitable for lump application, easy to dissolve and absorb. Organic fertilizers can also be applied, such as human and animal manure water, compost, etc., but they should be fully fermented and decomposed, and raw manure should not be used, and the concentration should be diluted. Nitrogen fertilizer has strong infiltration mobility in the soil, and can be shallowly applied to penetrate into the root distribution layer and be absorbed by seedlings. Potassium fertilizer and phosphate fertilizer have poor mobility, so it should be applied deeply to the dense distribution of root system.

Looking at seedling fertilization, seedling growth is generally divided into four stages: seedling stage, seedling stage, fast-growing stage and hardening stage. Seedlings in the seedling stage cannot produce nutrients by themselves, and their nutrition mainly depends on the nutrients stored in the seeds. The seedling stage refers to the appearance of true leaves in the aboveground part of the seedling and the lateral roots in the underground part, until the growth of the seedling increases significantly, and it is sensitive to nitrogen and phosphorus. The fast-growing period is the growth of the aboveground and underground parts of seedlings at the same time, and the demand for nutrients is large, so the amount and frequency of nitrogen fertilizer should be increased, and phosphorus and potassium fertilizers should be applied proportionally. In order to promote the hardening of seedlings and improve their resistance in the later stage of growth, nitrogen fertilizer should be stopped in a timely manner, and fertilizer should be stopped in order to improve the resistance of seedlings in the hardening stage.

Generally, annual seedlings need more nitrogen and phosphorus fertilizer in the early stage of growth to promote the growth and development of young roots, and a large amount of nitrogen, phosphorus, potassium and other elements are required in the fast-growing stage. For large-sized seedlings that have become seedlings, the root system should be strong, the distribution is far, the fertilization should be deep, and the range should be large, such as Pinus tabuliformis, Ginkgo, Acacia, A. stinkensis, etc.; The fertilization of large seedlings with shallow root system should be shallow and the range should be small, such as tung tree, purple locust and flowering shrubs.

After the seedlings are transplanted and planted alive, the rhizomes are damaged during the planting process and need a period of repair to repair their growth and development. At this time, agricultural producers can properly prepare a certain amount of urea from the thinner manure liquid in the village organic fertilizer.

The solution was carried out with extra-root topdressing to introduce seedling development. After planting and watering the saplings once, it is best not to water them for 10 to 15 days. Because the rhizomes of newly planted seedlings need to have a stable period, the requirements for water and nutrients during this time period are very small, and watering is equivalent to consumption.

Wait 10 to 15 days before pouring.

Water every 10 days thereafter. Basal fertilizer, phosphorus and potassium fertilizer, potassium fertilizer, are known as the three major elements of organic fertilizer to grow all food crops.

These three kinds of organic fertilizers are indispensable. There are also some nutritional elements, calcium, magnesium, manganese, iron, and tin, which are all nutritional elements, so you can directly choose the three major elements to carry out fertilizer. If they are matched with each other, too many of them will also cause pests and diseases.

Don't be in a hurry to fertilize the newly planted seedlings, you can use some booster drugs that absorb nutrients from the booster branch system software until they grow up and then start to fertilize slowly.

The absorption system of small seedlings is not sound when they are just planted, and it is very easy to kill the small seedlings if they are fertilized. For newly planted seedlings, survival is key. At this time, the young seedlings do not sprout new roots, or only a small number of new roots, and the need for fertilizer is not great.

At this time, the small seedlings can basically not absorb the fertilizer, because the new roots are particularly sensitive, and they will continue to burn the roots, which will harm the survival rate of the seedlings. Secondly, the seedlings have already survived through a spring of growth, and many sprouts have digested and absorbed roots, and can digest and absorb chemical fertilizers.

However, at this time, fertilization will cause small seedlings to grow vigorously and sprout a lot of autumn shoots, which is not conducive to the abundance of stems and endangers the greening seedlings to survive the winter. According to the growth and development of the situation and appreciation of the provisions of moderate fertilizer, chemical fertilizer should be dominated by organic fertilizer, if organic fertilizer is applied, compound fertilizer should be used.

For dominant, new flowers and trees with weak growth and development or slow growth and development can be fertilized once a month during the growth season, and the fertilization concentration value must be suitable.

For newly planted saplings, you can choose plant ash when fertilizing. Urea. Potassium chloride. These fertilizers can be quickly absorbed by plants, and bio-organic fertilizers can also be used, commercial organic fertilizers, and so on.

Newly planted seedlings should not be fertilised, and newly planted seedlings are usually not fertilised until five months after planting. If you want to fertilize trees, it is best to use nitrogen fertilizer or nitrogen-based fertilizer, because trees are foliage plants, which can absorb all the fertilizer well and make the trees grow more vigorously.

When planting, you can apply some fertilizer at the bottom of the pit as base fertilizer, if you don't apply base fertilizer, you can wait until you survive, and apply fertilizer once in May and June. In the future, fertilizer can be applied once a year before germination (around March).

The tree is a foliage plant, so it should be based on nitrogen fertilizer, and the root system of the tree is relatively weak, and the rhizome is thick to look good, so potassium fertilizer should be given appropriately, in general, the tree should be based on nitrogen fertilizer, phosphorus and potassium fertilizer supplemented by fertilizer, you can pay attention to the element content of fertilizer when buying fertilizer. In addition to ensuring that nitrogen, phosphorus and potassium are sufficiently used in fertilization, other fertilizers should also be used as auxiliaries, and it is best to keep the soil slightly acidic.

Organic fertilizer can not only improve the soil structure of garden plants, but also make the fertilizer effect released steadily and slowly, and can also adjust the pH of the soil. In addition to the application of accumulated farmyard fertilizer, the application of bio-organic fertilizer, or refined active organic fertilizer, should also be strongly promoted. Organic fertilizer can increase the content of organic matter and improve the fertilizer and water storage capacity of the soil.

Shallow fertilization or sprinkling of fertilizer on garden plants can easily make fertilizer volatil, which not only affects the effect of fertilizer but also easily produces ammonia hazards. Therefore, when topdressing, it should be applied in acupoints or strips, and the depth should be at least 5 cm or more. Due to the wide distribution of garden plant roots, the sucking of potatoes and water mainly rely on the fibrous roots, therefore, fertilization should be around the roots, not close to the trunk, and keep a distance of more than 10 cm from the plant rhizomes.

Fertilizer of small seedlings generally uses fast-acting fertilizers, such as plant ash, ammonium sulfate, urea, ammonium chloride.

Potassium chloride, diammonium, etc., these fertilizers must be completely crushed, and should not be applied in blocks, which is convenient for dissolution and absorption.

Organic fertilizers can also be applied, such as human and animal manure water, compost, etc., but they should be fully fermented and decomposed, and raw manure should not be used, and the concentration should be diluted. Nitrogen fertilizer has strong infiltration mobility in the soil, and can be shallowly applied to penetrate into the root distribution layer and be absorbed by seedlings. Potassium fertilizer and phosphate fertilizer have poor mobility, so it should be applied deeply to the dense distribution of root system.

Commonly used chemical fertilizers for trees, mainly urea and diammonium phosphate.

Superphosphate, potassium sulfate.

Wait. Because chemical fertilizers can only play the role of supplementing nutrients and cannot improve soil structure, the long-term use of chemical fertilizers will cause soil compaction and lose the balance between soil nutrients. Therefore, when fruit trees use chemical fertilizers, they should be used in conjunction with organic fertilizers, that is, soil miscellaneous fertilizers are the mainstay, chemical fertilizers are used as top dressing, and fertilizer is supplemented during the critical period of growth and development.

What fertilizer is good for fertilizing fruit trees.

During the growth period of seedlings, the use of potassium fertilizer can increase the thickness quickly, and do not apply potassium fertilizer alone, and need to use nitrogen, phosphorus and potassium fertilizers in a balanced manner. When planting seedlings, it is necessary to apply organic fertilizer cooked by rotting and cooking, which can provide nutrients for the growth of seedlings after planting without oak, and use it with nitrogen, phosphorus and potassium mixed fertilizer. At the same time of fertilization, it is also necessary to ensure sufficient light, so that the seedlings can see more sunlight during the growth period, and water in time after the soil is dry to ensure that the seedlings can grow better and faster.

The application of organic fertilizer can not only create good soil conditions for the good growth of seedlings, but also provide comprehensive nutrients for seedlings. The fertilizers that make trees grow rapidly are nitrogen fertilizer, phosphate fertilizer, and potassium fertilizer, and the nitrogen fertilizer should be mainly based on oil cake, bean dregs, rapeseed cake, ammonium nitrate, ammonia, phosphate fertilizer is mainly based on egg shells, chicken bones, and calcium dihydrogen phosphate, and potassium fertilizer is mainly based on plant ash, potassium dihydrogen phosphate, potassium sulfate, and potassium chloride, which can improve the stress resistance and quality of trees.

1. Fertilization time: When fertilizing seedlings, the soil should be dry and sunny weather, and not fertilized in rainy weather, because the roots of the tree absorb water slowly, and the fertilizer applied is not easy to absorb, and it may be taken away by rain insects.

2. Fertilization principle: when fertilizing seedlings, increase the number of nitrogen fertilizer and the amount of nitrogen fertilizer in the fast-growing period, and apply phosphorus and potassium fertilizer in accordance with a certain proportion, and stop applying nitrogen fertilizer in the later stage of growth, so as to avoid the situation of overgrowth, you can choose an appropriate amount of phosphorus and potassium fertilizer and other element fertilizers.