Cymbidium hybridum culture medium and preparation method thereof
A cultivation medium and technology of Cymbidium, which is applied in the direction of planting substrate, botanical equipment and methods, culture medium, etc., can solve problems affecting the normal growth of Cymbidium, loss of nutrients, soil compaction, etc., and achieve water retention and ventilation effect, enhanced air permeability, effect of large specific surface area
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Embodiment 1
[0032] A preparation method for a cymbidium cultivation substrate, comprising the steps of:
[0033] S1. Grind 10kg of eucalyptus bark, add it to 400kg of 1.5% sodium hydroxide solution by mass fraction, cook under reflux at 110°C for 20min, cool down to 50°C, add 100kg of peat and continue stirring for 5h, filter, wash with water, and dry at 40°C until Constant weight, obtain pretreatment peat;
[0034] S2. Add the pretreated peat to 400kg of 0.1% ammonium cerium nitrate solution, stir for 20min under a nitrogen atmosphere, add 1kg of 2-acrylamide-2-methylpropanesulfonic acid, continue stirring at 60°C for 1h, filter, and water Washing, drying at 60°C to constant weight to obtain functionalized peat;
[0035] S3. Disperse 4kg of hyperbranched polyamidoamine into 400kg of absolute ethanol, stir at 60°C for 2h, add functionalized peat and continue to stir for 1h, filter, wash with water, and dry at 50°C to constant weight to obtain a peat compound;
[0036] The hyperbranched ...
Embodiment 2
[0039] A preparation method for a cymbidium cultivation substrate, comprising the steps of:
[0040] S1. Pulverize 20kg of eucalyptus bark, add it to 200kg of 5% sodium hydroxide solution, cook under reflux at 100°C for 40min, cool down to 40°C, add 200kg of peat and continue stirring for 1h, filter, wash with water, and dry at 50°C until Constant weight, obtain pretreatment peat;
[0041] S2. Add the pretreated peat to 200kg of 1% ammonium cerium nitrate solution, stir for 10min under a nitrogen atmosphere, add 2kg of 2-acrylamide-2-methylpropanesulfonic acid, continue to stir at 50°C for 2h, filter, and water Washing, drying at 50°C to constant weight to obtain functionalized peat;
[0042] S3. Disperse 10 kg of hyperbranched polyamidoamine into 200 kg of absolute ethanol, stir at 70°C for 1 hour, add functionalized peat and continue to stir for 2 hours, filter, wash with water, and dry at 40°C to constant weight to obtain a peat compound;
[0043] The weight-average molec...
Embodiment 3
[0046] A preparation method for a cymbidium cultivation substrate, comprising the steps of:
[0047]S1. Grind 12kg of eucalyptus bark, add it to 340kg of 2.3% sodium hydroxide solution, boil it under reflux at 105°C for 25min, cool down to 47°C, add 120kg of peat and continue stirring for 4h, filter, wash with water, and dry at 42°C until Constant weight, obtain pretreatment peat;
[0048] S2. Add the pretreated peat to 340kg of 0.3% ammonium cerium nitrate solution, stir for 17min under a nitrogen atmosphere, add 1.3kg of 2-acrylamide-2-methylpropanesulfonic acid, continue stirring at 58°C for 1.3h, and filter , washed with water, dried to constant weight at 56°C to obtain functionalized peat;
[0049] S3. Disperse 6 kg of hyperbranched polyamidoamine into 340 kg of absolute ethanol, stir at 64°C for 1.7h, add functional peat and continue stirring for 1.2h, filter, wash with water, dry at 48°C to constant weight, and obtain a peat compound;
[0050] The weight-average molec...
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