When fertilizing, spraying the leaves of seedlings with a fertilizer containing 10 elements of N, P, K, Fe, C2u-Mg-Zn-B, sb and Vau is called full spraying(162 cell propagation trays wholesale). The seeds that have been sterilized and germinated are evenly sown on the dry sand bed, and when the young shoots are unearthed, they will be moved to the container for cultivation, which is called sprout transplantation(6 cell propagation trays wholesale). The covering material can be sterilized sand, peat, and nutrient soil.
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Comparing the growth effect of seedlings with full spraying and the spraying effect lacking a certain element (Table 8-5), it can be seen that when the fertilizer sprayed by Korean pine lacks Mg elements(cheap plastic plant pots bulk), spruce lacks K, Mg and Zn elements, Larch lacks Pe and Za elements, and its spraying effect is basically the same as that of full spraying(4 cell propagation trays wholesale). Note that the seeds should be covered with nutritious soil in a timely manner after seeding.(high quality fabric grow bags wholesale suppliers russia)
The use of bud seedling transplantation can save good seeds, the seedlings grow neatly, it is easy to manage(greenhouse supplies pots), and the effect is good, especially the garden greening and the breeding of precious tree species should be vigorously promoted. This shows that in addition to M; elements, red pine also needs to add 9 other trace elements, and spruce and larch also need to add missing elements(plant start trays wholesale). Top dressing can be carried out at the same time as bottling.
(high quality fabric grow bags wholesale suppliers russia)The covering soil is generally 0.3-0.4cm, and the maximum thickness is not more than 1cn(plastic plant trays wholesale). First, put chemical fertilizers and various trace elements in the water storage tank to find out evenly, and then spray the fertilizer. The amount of fertilizer and the number of fertilization should be determined according to the amount of fertilizer required by each tree species in different periods(24 cell propagation trays wholesale), the longer the interval between fertilization.
Determining the amount of fertilization for different tree species and different periods is the key technology for container seedlings and greenhouse container seedlings(plastic plant pots wholesale suppliers). A few days before sowing, the soil container should be filled with water, and then soak after the water has completely infiltrated(20 cell propagation trays wholesale). Taking coniferous tree seedlings as an example, fertilization should have appropriate intervals, the greater the concentration.
The fertilization of container-based Portuguese fertilization is based on top dressing, and top dressing is the key(square grow pots). The application of liquid quick-acting fertilizer has obvious effects, but to prevent the phenomenon of fertilizer burning, the longer the interval of applying the nutrient solution, the higher the concentration of dissolution fatigue(288 cell propagation trays wholesale). Different tree species have different fertilization amounts in different periods.(high quality fabric grow bags wholesale suppliers russia)
In addition, the amount of top dressing is related to the seedling growth period and water requirement(seed starting trays), and the principle of multiple application of thin fertilizer should be followed. Containers with a diameter of 8m are placed next to each other without gaps, 196 per square meter with a diameter of 7em(112 cell propagation trays wholesale), and 100 containers per square meter with a diameter of 10an can be used to cultivate seedlings for seedlings.
(high quality fabric grow bags wholesale suppliers russia)If granular fertilizers such as urea are used, the fertilizer that sticks to the seedlings should be bounced off or rinsed with water after each fertilization to avoid burning seedlings(gallon pot). Broad-leaved trees can be 2.5kg calcium phosphate, immersed in urine after crushing 25kg, and 114 per square meter can be placed: once a day(200 cell propagation trays wholesale), once covered, cooked, and then diluted into 5% fertilizer spray, thin application of Qin Shi, wash seedlings after application.
