Tobacco selenium-rich seedling culturing substrate and using method thereof
A seedling substrate, selenium-enriched technology, applied in the directions of botanical equipment and methods, applications, fertilizer mixtures, etc., to achieve the effects of improving utilization, reducing production costs, and adapting to a wide range of concentrations
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[0011] Example 1:
[0012] Weigh 500g of Enshi selenium powder with a particle size of less than 0.15mm with a selenium content of 189.0mg / kg, add 1250ml of 5% potassium hydroxide solution, shake at 120r / min for 24h under a sealed condition, and adjust the pH to 7.0, put the selenium ore powder in an oven at 60°C for 24 hours to be in a dry state, crush the selenium ore powder, and pass through a 100-mesh sieve to obtain activated selenium ore powder. Weigh 2500g of grass charcoal with a particle size of 3-6mm, 2500g of carbonized chaff and 1250g of perlite, then add 500g of activated selenium ore powder, spray water with a sprayer while mixing, until the raw materials are fully mixed, so that the activated selenium ore powder is completely absorbed On the inner and outer surfaces of peat and charcoal chaff, the moisture content of the matrix material is about 25%, and the bag is filled with a woven bag lined with polyethylene plastic at 18kg / bag. When raising seedlings, pour th...
Example Embodiment
[0013] Example 2:
[0014] Weigh 500g of Enshi selenium powder with a particle size of less than 0.15mm with a selenium content of 189.0mg / kg, add 1250ml of 5% potassium hydroxide solution, shake at 120r / min for 24h under a sealed condition, and adjust the pH to 7.0, put the selenium ore powder in a 60℃ oven to bake for 24 hours in a dry state, mash the selenium ore powder and pass through a 100-mesh sieve to obtain activated selenium ore powder; weigh 1250g of peat with a particle size of 3-6mm and carbonized chaff 1250g and 625g perlite, then add 500g of activated selenium ore powder, spray water with a sprayer while mixing, until the raw materials are fully mixed, so that the activated selenium ore powder is completely adsorbed on the inner and outer surfaces of the peat and carbonized chaff. The moisture content of the matrix material is about 25%, bagged at 18kg / bag in a woven bag lined with polyethylene plastic. When raising seedlings, pour the prepared selenium-enriched s...
Example Embodiment
[0015] Example 3:
[0016] Weigh 500g of Enshi selenium powder with a particle size of less than 0.15mm with a selenium content of 189.0mg / kg, add 1250ml of 5% potassium hydroxide solution, shake at 120r / min for 24h under a sealed condition, and adjust the pH to 7.0, put the selenium ore powder in a 60℃ oven and bake it for 24 hours in a dry state, mash the selenium ore powder, and pass through a 100-mesh sieve to become the activated selenium ore powder; weigh 833g of grass charcoal with a particle size of 3-6mm and carbonized chaff 833g and 417g perlite, then add 500g of activated selenium ore powder, spray water with a sprayer while mixing, until the raw materials are fully mixed, so that the activated selenium ore powder is completely adsorbed on the inner and outer surfaces of the peat and carbonized chaff. The moisture content of the matrix material is about 25%, bagged at 18kg / bag in a woven bag lined with polyethylene plastic. When raising seedlings, pour the prepared se...
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