It is required that the soil is loose and the temperature is appropriate, and the conditions for raising soil temperature and promoting rooting should be created for transplanting in spring(1 gallon pot). In the whole growth stage, the growth of seedlings is also delayed. But sometimes the transplanting seedlings appear later than the remaining seedlings(plastic gardening pots). The others are the same as those of fenhuanmiao. In the same year of transplantation, there were two growth types.
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Generally, it is used for seeds with long dormancy period, such as shanlou, apricot, white wax, etc(plastic plant trays). From the time when the seedlings began to grow on the ground and new roots grew underground, until the height growth of seedlings increased significantly. The growth of the aboveground part was slow and accelerated gradually in the later stage(15 gallon pot). The root system continues to grow and new roots are produced from the box wound tissue of the root.(5 gallon plastic pots for plants suppliers canada)
After the slow seedling stage, the seedlings have completely returned to normal growth, so irrigation and topdressing should be carried out in time(2 gallon nursery pots). The amount of topdressing should be less than the selected growth period. It should be in the first half of March to may in the north and February to march in the south. It is wrong to advocate that seeds should be seeded when the soil temperature reaches the proper temperature for germination(black plastic plant pots). In order to improve the root absorption capacity.
(5 gallon plastic pots for plants suppliers canada)Generally, topdressing should be done at least once in the early growth period(25 gallon pot). After irrigation, the middle ploughing and pest control should be carried out in time. The start and end of the fast-growing period of the transplanted seedlings were the same as that of the national seedlings, but the emergence period was later(20 gallon pot). The growth characteristics of the above ground and under ground are the same as the rapid growth period of the seedlings left in China.
Therefore, irrigation should be carried out in time to keep the solid soil in a relatively wet state(plastic seedling trays). The start and end stages and growth characteristics of the transplanted seedlings were similar to those of the domestic seedlings(seed starter trays). The survival period of the transplanted seedlings starts from the time of transplantation to the time when the seedlings begin to grow in the upper part of the ground and the root system in the underground part recovers the absorption function.(5 gallon plastic pots for plants suppliers canada)
Because the most suitable temperature for seed germination is 20 ℃ - 25 ℃(square nursery pots), when the soil temperature reaches this temperature too late in the north, the seed has the lowest temperature for germination (for example, 5 ℃ for Pinus tabulaeformis, 9 ℃ for larch, Japanese red pine and black pine). When the soil temperature reaches the lowest temperature for seed germination in spring(10 gallon pot), the seed can start to sprout. In the forestry work, they are used to be called "picking and inserting".
The height growth of both growth type seedlings shows this characteristic(1020 seed trays). Summer sowing can ensure that the quality of new mature seeds does not decline, save the cost of seed storage, and avoid over concentration of spring sowing. Sowing in summer is suitable for tree species with mature seeds in summer(7 gallon nursery pots), such as check tree, poplar, willow and shuttle tree. In summer (from May to June in Beijing), when the tree seeds are mature, they should be collected in time, prepared immediately and planted as soon as possible.
(5 gallon plastic pots for plants suppliers canada)The root system of seedlings is cut off(3 gallon pot), and the fibrous roots that absorb water and nutrients are cut off, which reduces the ability of seedlings to absorb water and inorganic nutrients, so the seedlings need to go through a slow seedling stage after transplantation. The specific sowing date varies with the climatic conditions and the maturity of the seeds, so it is suitable for the local conditions(greenhouse pots). The climatic conditions in China vary greatly from north to south.