Method for preparing forest container seedling culture substrate by utilizing Spartina alterniflora Loisel
A technology for raising Spartina alterniflora and container seedlings is applied in the field of plant resource utilization, and can solve the problems of restricting microbial activity, difficulty in water evaporation, and difficulty in crushing, etc.
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Embodiment 1
[0021] Embodiment 1: (utilize Spartina alterniflora to prepare the method 1 of forest tree container seedling cultivation cultivation substrate)
[0022] (1) Collection and drying of Spartina alterniflora stalks: after October every year, the mature Spartina alterniflora stalks are harvested and cleaned, and turned in the sun for several days until the water content is 21%;
[0023] (2) Pulverization: pulverize the dried Spartina alterniflora stalks to 5 mm and pass through a Φ=5 mm sieve to obtain Spartina alterniflora powder;
[0024] (3) Fermentation and decomposing of grass powder and sterilization: mix Spartina alterniflora powder, urea and gypsum powder in a ratio of 35%: 3%: 0.5% by weight, make up to 100% with water, mix and mix well; cover After the plastic film is fermented for 40 days, the temperature of the material during the fermentation process reaches 55-60 ° C, so after 4-5 days of fermentation, the film is removed, the material is spread, the temperature is l...
Embodiment 2
[0027] Embodiment 2: (utilize Spartina alterniflora to prepare the method 2 of forest tree container seedling cultivation cultivation substrate)
[0028]In this example, step (1) dries the water content of Spartina alterniflora stalks to 25% in a dryer mode; in step (3), the weight percentages of Spartina alterniflora powder, urea and gypsum powder are 37%: 2 %: 0.8% ratio, and make up to 100% with water, and ferment altogether after covering plastic film for 45 days; Spartina alterniflora powder after fermentation in step (5) and carbonized rice husk are mixed by volume 6: 4 ratio, stir Uniform; All the other steps and technology are the same as in Example 1.
Embodiment 3
[0029] Embodiment 3: (the method 3 that utilizes Spartina alterniflora to prepare forest tree container seedling cultivation medium)
[0030] In this example, in step (1), the water content of Spartina alterniflora stalks is dried to 30% in the manner of continuous sunning; in step (3), the weight percentages of Spartina alterniflora powder, urea and gypsum powder are 38%: 1% : 1% ratio, and make up to 100% with water, and ferment altogether after covering plastic film for 50 days; Spartina alterniflora powder after fermentation in step (5) and carbonized rice husk mix by volume 5: 5 ratio, mix well ; All the other steps and technology are the same as in Example 1.
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