What is a good variety of pine seeds? What are the methods of raising seedlings?

I believe everyone is very familiar with the pine tree, evergreen and tenacious vitality, pine tree is not only tall and straight and beautiful, but also pine needles, pine balls, pine pollen are very useful, it can be said that the whole body is a treasure. Pine trees have noble qualities, and now more and more people are cultivated. So in the process of planting pine trees, how to choose the varieties of pine seeds? How to raise seedlings of pine seeds? Let's get to know it.

What is a good variety of pine seeds?

1. Pinus tabulaeformis: Pinus tabulaeformis is a unique pine species in China, which blossoms in May every year, and its leaves vary in color, so it can be used as a potted decorative ring. And shipbuilding, furniture, appliances and other supplies can be used Pinus tabulaeformis, a wide range of uses.

2. Pinus sylvestris var. mongolica: Pinus sylvestris var. mongolica is a very good wood with strong adaptability and fast growth rate. Pinus sylvestris var. mongolica can be used as a garden ornamental plant in many places. Pinus sylvestris var. mongolica usually blossoms at 5: 6 every year and bears fruit from September to October of the following year.

3. Cedar: cedar, also known as cedar, is a pine tree growing in the Himalayan cedar in China, which blossoms from October to November every year and has high ornamental value. It is now one of the world's famous garden ornamental tree species.

4. Korean pine: Korean pine blossoms in June every year and bears fruit from September to October. Korean pine can be used in daily life, such as pressing oil, making sleepers and furniture, and Korean pine has high medicinal value. it can also be used to watch.

What are the methods of raising seedlings?

1. Selection of nursery sites

Acid sandy loam with good drainage and ventilation, deep and loose soil layer and convenient drainage and irrigation should be selected to form loam.

2. Land preparation to make bed

Before sowing, the seedling land should be deeply ploughed and adjusted, and organic manure such as base fertilizer and compost should be applied. At the same time of fertilization, ferrous sulfate (15kg per mu) can be mixed to disinfect the soil.

3. Seed treatment

The seeds should be disinfected before sowing, soaking the seeds with 0.15% formaldehyde solution for 15-30 minutes, or with 0.59% potassium permanganate solution for 2 hours. Then soak the seeds in 40-60 degrees warm water for 1 day and night, remove them, put them in a container and put them in a warm place for germination. The seeds can be sown when the seeds have 1/3 cleft mouths.

4. Sowing and raising seedlings

The sowing date is from April to May, the sowing amount is 15-20 kg per mu, the row spacing is 20-20cm, the sowing range is 7-10cm, the soil thickness is about 1cm, and then slightly suppressed.

5. Seedling stage management

After the pine seeds were sown and sprouted, the drought and waterlogging resistance, pest and disease control and weed control were carried out in time according to the growth habits of the seedlings. Pay attention to bird damage before shedding the seed shell. The seedlings should grow densely properly, control the quenching disease reasonably during the growing period, and fertilize rationally at the same time, mainly nitrogen fertilizer in the early stage and phosphorus and potassium fertilizer in the later stage.

Generally speaking, the varieties of pine seeds are very rich, and the varieties suitable for sowing must be selected by combining various factors. In addition, the seedling of pine seeds is not difficult, combined with the later maintenance work, pine trees can be raised well.

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