Technical measures to improve the survival rate of tree planting

Spring is the right time to plant trees. However, how to ensure the survival rate of tree planting, in addition to early planting at the right time and the right tree in the right place, you should also pay attention to the following aspects:

Seedling raising

One week before seedling raising, Adequate water supply is required. For compacted wheat soil, it is difficult for watering to penetrate into the deep layers. A few small holes should be made at the base of the seedlings to allow the water to penetrate into all parts of the roots and allow the seedlings to replenish water to avoid premature dehydration after emergence and affecting survival. Rate.

Reduce water loss in seedlings

When raising seedlings, it is necessary to less damage the seedling roots, and try to shorten the time from seedling raising to planting. It is better to plant while raising seedlings. When transporting over long distances, it is best to dip the roots in mud and wrap them in wet grass to ensure that the roots are moist. After delivery, you should quickly put the seedlings upright and plant them in time to prevent them from being exposed to wind and sun.

Phosphate fertilizer for root dipping

Use 0.5 kg of superphosphate, 12.5 kg of yellow mud, add 50 kg of water and stir, or use 2% potassium dihydrogen phosphate, 2% Stir white sugar, 1% vitamin B12 injection and 95% yellow mud. When the viscosity is moderate, soak the seedling roots in it for 30 minutes, or plant as you go.

Soak the roots in sweet and sour liquid or medicinal liquid

Soak the roots with 5% sugar liquid or vinegar solution with a concentration of 1%-2% for 1-2 days. You can also use 0 . Soaking the roots in 05% aspirin solution for 6-12 hours before planting can shorten the seedling slowing period and the survival rate can be above 98%.

Planting and watering

Planting should pay attention to the original direction of planting, that is, mark one side of the seedlings with an eye-catching color before planting, and follow the original growth direction of the seedlings when planting. Into the hole, keep the root system as natural as possible. Fill half of the soil with soil, slightly lift the seedlings to allow the roots to stretch, and pour an appropriate amount of water. Wait until the water has completely penetrated into the soil, then spread the soil to 5 cm away from the pit surface, compact it, and water enough. After two days, water again depending on the soil condition. In the future, when the surface soil becomes dry and white, water should be watered in time to ensure that the survival rate is above 95%. Hydroponic technology of chrysanthemums

It is very common to beautify chrysanthemums in the home. Many people plant them in pots and display them at home. However, some people do not like to use soil to grow flowers and display them in their homes. Instead, they prefer clean and refreshing hydroponics. Today we will learn how to grow chrysanthemums in water:

How to grow chrysanthemums in water?

1. Cultivate seedlings by cuttings:

In mid-June, select a chrysanthemum variety with a moderate plant shape, use its overwintering or spring seedlings as the mother plant, and cut the plump, disease-free and insect-free tops of the chrysanthemums as cuttings. The cuttings are 5 cm to 7 cm long. After harvesting, remove the base leaves and keep 2 to 3 leaflets. The incision is horseshoe shape. The seedbed is made of vermiculite. Place it in a pot and first use 50% carbendazim wettable powder 500%. Disinfect with twice the liquid. The cutting depth is about 2 cm, and the spacing between plants is about 3 cm. After inserting, spray it with clean water, place the inserting pot in a semi-underground seedbed, and cover it with plastic film and reed curtains. Spray water once every 3 to 5 days after cutting, and it can be transplanted in about 20 days.

2. Preparing the nutrient solution

The inorganic nutrients required to prepare the nutrient solution are: potassium nitrate 69, superphosphate 18, magnesium sulfate 9.7, urea 1.4, ferrous sulfate 0.69 , manganese sulfate 0.27, phosphoric acid 0.27, anhydrous calcium chloride 0.067, zinc acetate 0.067.

The ratio of the total amount of inorganic elements to water is 1 to 500 in the early period (mid-July to early August), 1 to 300 in the middle period (mid-August to mid-September), and 1 to 300 in the late period (September) From late October to mid-October), the pH value is 1 to 400, and the pH value is 5 to 5.5. In early July, transplant the chrysanthemum seedlings with complete root systems into a new flower pot with an inner diameter of 20 cm and a depth of 14 cm. The substrate is made of vermiculite. The drainage holes in the basin bottom are covered with tiles.

3. Post-planting management

After planting, use a watering can to spray water and cover the upper part with a plastic film to prevent rain, and a reed curtain to block light.

After slowing the seedlings for 7 to 10 days, remove the plastic film and reed curtains, and start pouring nutrient solution once every 5 days. After application, spray some clean water to prevent the nutrient solution from remaining on the leaves and causing damage.

Apply nutrient solution once every 3 days after the beginning of autumn, and then once every 5 days after budding. If it rains, reapply nutrient solution in time. Because the substrate is soft, chrysanthemum seedlings are prone to lodging, so it is necessary to spray 800 to 1000 times B9 solution on the leaves two or three times in the early stage, when the chrysanthemum seedlings are 10 to 15 cm tall, to prevent excessive growth.

Some people don’t like to display green plants with soil seeds in their homes. They like the convenience and ease of hydroponic green plants. Hydroponic chrysanthemums are easier and more convenient, cleaner and more hygienic, but they are more suitable for decoration. In the home, you should keep the steps and methods of hydroponics chrysanthemum compiled above. Corporate technology slogan

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Sentences to improve self-confidence

1. If you don’t have self-confidence, you will never be happy.

2. If you think twice before speaking, your words will be twice as good as before.

3. He who conquers others is powerful, and he who conquers himself is strong.

4. Whoever shakes his confidence midway is a weak-willed person; whoever lacks flexibility after making up his mind is a fool.

5. Everything we do should be cautious and confident.

6. I believe that strong goals, this kind of sincerity that can enable people to accomplish anything, and this kind of self-loyalty are the biggest factors that make people’s hearts successful in their careers.

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15. Moving towards a certain goal is "ambition". A vigorous burst of energy without stopping in the middle is "Qi", and the combination of the two is Zhiqi. The success or failure of all careers depends on this.

16. Error does not always mean ignorance, and knowledge does not always come when called upon.

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25. The lack of a spirit of self-confidence often leads some budding geniuses to strangle themselves.