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Cheap Plastic 32 Cell Tray Wholesale Supplier

Acid adjustment is one of the important measures for the success of rice seedlings in cold regions(heavy duty plant pots). The soil and soil must be accurate. The pH value of the soil should be adjusted to between 4.5 and 5.5 in order to allow the rice seedlings to grow normally. Can resist disease. If a greenhouse can swing 2,000 square meters, each plate is about 5 pounds, and the greenhouse of a greenhouse is about 10,000 pounds(plastic nursery pots). If you use a strong sputum agent that can mix 300 plates of seedbed soil per bag, a bag of strong sputum can be mixed with about 1500 kg of seedbed soil. After mixing well, mix the remaining part of the 10,000 kg bed soil used in a greenhouse.

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(cheap plastic 32 cell tray wholesale supplier)We can first pour out the sterilization bag inside a bag of strong sputum(cheap 1 gallon plant pots), mix it with half a bucket of fine dry soil, and then mix it with the acid and bag in the strong sputum. Take one-fifth of them, and one-fifth of the amount of soil (1500 kg) that should be mixed with this bag of strong-drinking agent, that is, 100 kg of seedling soil mixed together, and measure the PH value(plastic nursery pots wholesale). If the pH is between 4.5 and 5.5, it can be used. If the pH is higher than 5.5, it is necessary to add sulfuric acid for modulation.

When preparing the seedling soil(cheap 2 gallon plant pots), you can measure the amount of 100 kg and the corresponding amount of strong sputum, and then add some concentrated sulfuric acid. You can adjust the PH value to 4.5~5.5, calculate the 10,000 kg of soil in a greenhouse, plus a greenhouse. How much concentrated sulfuric acid should be added after the strong sputum should be added. If the 100 kg of the seedlings of the strong sputum agent, add 4 two concentrated sulfuric acid can be adjusted to PH4.5-5.5, then, a greenhouse 10,000 kg seedlings should add 40 kg of concentrated sulfuric acid(black plastic nursery pots), if this 100 kg strong The seedling bed soil plus 6 two concentrated sulfuric acid can be adjusted to PH4.5-5.5, then a greenhouse 10,000 kg seedlings should add 60 kg of concentrated sulfuric acid.

(cheap plastic 32 cell tray wholesale supplier)When mixing, first measure the concentrated sulfuric acid that should be used in a greenhouse(heavy duty gallon pot), and dilute it according to the ratio of 4 kg of water added to 1 kg of concentrated sulfuric acid. After diluting 1 kg of concentrated sulfuric acid, it can be mixed into 60 kg of soil first. After a day of boring, add fine sifting agent after adding fine sifting. After mixing and pouring twice, or sieving once, it is prepared with a seedling soil containing a proper amount of strong sputum(plug trays wholesale), and the pH is 4.5~5.5. Note: If you add a strong seedling nutrient to the soil, you do not need topdressing during the seedling period.

To control green blight, acidic water with a pH of 4.5 can be poured at 1.5 and 2.5 leaves of the seedlings(104 cell propagation trays wholesale), while spraying the fungicide. 28-32 days after sowing, transplanted when the seedlings grow to 8-15 cm. If the seedling height exceeds 18 cm, the leaf head should be cut off so as not to affect the mechanized transplanting effect, so that the seedling height can be mechanized after transplanting less than 18 cm(plastic nursery pots manufacturers). It should be noted that the diluted concentrated sulfuric acid can be diluted by 1 kg of concentrated sulfuric acid plus 4 kg of water, and then mixed into the strong earth.(cheap plastic 32 cell tray wholesale supplier)

Always pour concentrated sulfuric acid into the water and keep stirring to dissipate heat(51 cell propagation trays wholesale). Never pour water into concentrated sulfuric acid. If you pour water into concentrated sulfuric acid, concentrated sulfuric acid will immediately boil. Therefore, be sure to follow the dilution procedure and protect yourself from sulfuric acid splashes. When the germinated seeds are placed in the nursery tray or pot, it is necessary to pay more attention to the cooperation of water(wholesale nursery pots). Otherwise, there will be two extreme cases. One is that after the seedlings come out, the yellow leaves are not long; One is the height of the seedlings, and the leaves are not long.

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