What fertilizers do plants need? What fertilizer is good for potting

1. Organic fertilizer.

Organic fertilizer, also known as complete fertilizer, not only contains nitrogen, phosphorus and potassium required for the growth and development of flower plants, but also a variety of other trace elements.

and growth hormone. A large number of organic substances will produce organic acids during the decomposition process, which can dissolve difficult fertilizers such as calcium phosphate.

The humus in organic matter can form a good soil structure for potted flowers, enhance the water, fertilizer and permeability of the soil, and have many advantages such as soft fertility and long-term fertilizer effect. However, the fertilizer efficiency of organic fertilizer is slow, it is more difficult, and the processing and disposal are also more troublesome.

2. Animal and plant fertilizers.

Animal organic fertilizers include human and animal manure, feathers, hooves, bone meal, and some animal residues. Plant-based organic fertilizers include tahini.

Dregs, all kinds of meal cakes, deciduous weeds, green manure, plant ash.

as well as fruit and vegetable waste and Chinese herbal medicine.

slag and other household waste. Organic fertilizer contains more nitrogen in human and animal manure, oil meal cake, etc. Those with more phosphorus include bone meal, feathers, hooves, and grain bran, and those with more potassium include straw ash and plant ash.

3. Inorganic fertilizer.

Inorganic fertilizer is chemical fertilizer, which is made by chemical synthesis method and processed from natural ore, which is rich in mineral nutrients. Inorganic fertilizer, also known as mineral fertilizer, usually has nitrogen fertilizer: ammonium sulfate.

Ammonium nitrate, ammonium carbonate, ammonium bicarbonate.

There are three common types: nitrogen, phosphorus and potassium.

What fertilizer is good for flowers and trees.

It should be a lack of a certain essential nutrient element, it should be a large number of nutrient elements, and the required elements can be supplemented.

Common symptoms of vitamin deficiency.

Nitrogen deficiency: If nitrogen deficiency occurs, the leaves will become pale green or yellow-white, the branches will be thin, and the new leaves at the top will gradually become smaller and easy to fall leaves.

Phosphorus deficiency: Insufficient phosphorus fertilizer will hinder the formation of crop flowers, making crops small and few, and prone to poor fruit development.

Potassium deficiency: lack of potassium nutrition, slender stems, severe leaf tips and leaf margins are scorched, leaves are wrinkled, and old leaf margins are curled and yellow and easy to fall off.

Magnesium deficiency: Magnesium deficiency first occurs yellowing between the veins of old leaves, and gradually spreads to the new leaves in the upper part, the mesophyll is yellow while the veins are still green, and various spots appear between the veins.

Iron deficiency: The symptoms of iron deficiency are similar to those of magnesium deficiency, except that iron deficiency first yellows between the veins of new leaves, the veins remain green, and then develops into yellowing or whitish turning of the entire leaf.

Manganese deficiency: The symptoms of manganese deficiency are similar to those of iron deficiency, with green spots appearing between the veins and gradually forming streaks, but the veins remain green.

Deficiency: The young leaves are green, the leaves are thick and wrinkled, the leaf margins are curled upward, and the root system is underdeveloped. The growth points of the terminal buds and fine roots die, and the flowers and fruits fall.

Calcium deficiency: calcium-deficient apical buds are damaged, and cause necrosis of the root apex, young leaves lose green, leaf margins are curled upwards and scorched, and leaf tips are often hooked.

Sulfur deficiency: sulfur-deficient leaves turn pale green or even white, expand to new leaves, slender leaves, dwarf plants, delayed flowering, and significantly elongated roots.

Zinc deficiency: Zinc deficiency plants are obviously atrophied and rigid in internodes, the leaves turn yellow or smaller, yellow spots appear between the leaf veins, spread to new leaves, and the young leaves are hard and small, and yellow-white.

Molybdenum deficiency: molybdenum deficiency young leaves are yellow-green, and the leaves lose green and wither, which is easy to cause necrosis.

Copper deficiency: The tips of copper-deficient leaves are whitish, the young leaves are atrophied, and white leaf spots appear.

The location of the disease.

The location of the disease depends mainly on the mobility of the elements lacking in the plant. Nitrogen, phosphorus, potassium, magnesium and other elements have greater mobility in the body and can be transferred from old leaves to new leaves, so the deficiency of such nutrients occurs in the old mature leaves in the lower part of the plant. On the contrary, iron, calcium, boron, zinc, copper and other elements are not easy to move in plants, and the deficiency of such elements is often first seen in new buds and leaves.

First, the special according to the type of potted plants cultivated to choose the appropriate special fertilizer, so that the cultivated plants can be supplemented with nutrients, and the plant has no impact, is the safest. Different plant growth stages have different requirements for elements, and during the vigorous growth period, you can add a little more nitrogen fertilizer, such as urea. Plants with open flowers need to be added with a little phosphorus fertilizer, which can ensure the quality and quantity of flowering, and can meet the needs of growth.

2. Homemade 1. Fruit peel: Gather the fruit peel and rotten vegetable leaves, then mix it with sandy soil and put it in a sealed container, so that the flowers can be topdressed after fermentation and sterilization.

2. Eggshell: The eggshell is sterilized in the sun and then crushed into powder, which is mixed into the substrate to supplement phosphorus.

3. Rice water: Pour out the water that has been washed rice, put it in a container, and then put it under the sun to dry and ferment, wait for a few days and then pour it with water.

1. Southern flowers generally do not use alkaline fertilizers, such as gardenias;The flowers dominated by foliage are mainly applied with nitrogen fertilizer, which is conducive to the growth of leaves. Flowering plants are generally applied with a variety of fertilizers, that is, they must be applied completely; Fruit-watching plants need to control fertilizer when flowering, apply complete fertilizer when waiting for fruiting, and so on.

2. For indoor potted plants, there is generally no obvious division of the four seasons, so the period of fertilizing coarse cherry blossoms is mostly determined according to some symptoms of plant performance. For example, for flower plants, when the color of the leaves becomes lighter and the plant grows weakly.

3. Indoor planting of flowers and other plants is equivalent to growing in the environment of the greenhouse For summer, the outside temperature is high, so try to increase the number of uses under the condition of ensuring that the concentration of use does not become the rock envy bush.

It is good to use organic and inorganic fertilizers for potted plants.

Organic fertilizer

Potted flowers can be planted with organic fertilizers, such as fertilizers made from kitchen waste, bone and hand round powder, various feces, traditional Chinese medicine residues, etc., such fertilizers contain nitrogen, phosphorus, potassium and trace elements in the amount of potato balls, which are nutritious and comprehensive, and can promote the growth of flowers more vigorously.

Vegetable leaves, leftovers, vegetable roots, various melon peels and other mixed oranges can be combined together for fermentation, and then used after fermentation and rotting, so that the plants can be absorbed faster, and fertilizer damage can be avoided. The advantage of this fertilizer is that it has a long fertilizer effect and a gentle fertilizer effect.

Inorganic fertilizers

Chemical fertilizers include nitrogen fertilizers, phosphate fertilizers, potassium fertilizers, compound fertilizers, etc., common nitrogen fertilizers include urea, ammonium nitrate, common phosphate fertilizers have superphosphate, potassium chloride, potassium sulfate, compound fertilizers have potassium dihydrogen phosphate, etc., fertilizer varieties should be selected according to the growth stage of potted plants.

For example, nitrogen fertilizer and potassium fertilizer are mainly applied in the germination stage of branches and leaves to promote the germination of branches and roots, and compound fertilizer is applied before and after flowering to mainly supplement phosphorus and potassium elements to promote flowering and fruit set.

Notes:

Organic fertilizer and inorganic fertilizer have their own advantages and disadvantages, and they should be applied alternately when using them. Do not use a single fertilizer for a long time, otherwise it is easy to produce poor growth. In addition, thin fertilizer should be applied frequently, and it is strictly forbidden to apply thick fertilizer and raw fertilizer.