Compound fertilizer special for pakchoi, preparation method and application thereof
A technology of compound fertilizer and pakchoi, which is applied in the directions of application, fertilizer mixture, fertilization device, etc., can solve the problems of poor control effect of pakchoi clubroot, reduce the quality of cultivated land, increase salinization, etc., so as to inhibit reproduction. and growth, to achieve safe growth, the effect of inhibiting growth
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Embodiment 1
[0034] 1. Test location:
[0035]The intelligent greenhouse of Zhejiang Agriculture and Forestry University (30°19′N, 119°35′E), Lin’an City, Zhejiang Province, is located in the southern edge of the subtropical monsoon climate zone, which belongs to the monsoon climate. The annual rainfall is 1628.6 mm and the annual average temperature is 16.4 ℃, the annual sunshine hours are 1847.3 hours.
[0036] 2. Test material:
[0037] (1) Improved peanut shell charcoal:
[0038] Take discarded peanut shells in the current season, put them in a muffle furnace, pyrolyze them at 500°C for 2 hours, and cool naturally to obtain peanut shell charcoal; the ratio of adding peanut shell charcoal to the LB liquid medium for cultivating Bacillus subtilis 10:100(m 炭 / v 培养基 ); after culturing Bacillus subtilis for 24 hours, the peanut shell charcoal was taken out and air-dried naturally to obtain improved peanut shell charcoal.
[0039] (2) Improved corn straw charcoal:
[0040] Take the dis...
Embodiment 2
[0070] The implementation conditions, site, and cultivation conditions of the present embodiment are all the same as in Example 1, and the soil sample that adopts soil culture is 2kg. 5 treatments are set, and the fertilizer components used in each treatment are different, but the fertilizer preparation method is the same as in Example 1, and each application rate is the same (taking the soil quality as a benchmark, and the mass percentage is 2.5%); specifically as follows:
[0071] (1) CK: control, no fertilizer added;
[0072] (2) Organic fertilizer + inorganic fertilizer: only add organic fertilizer and inorganic fertilizer, the mass ratio is 70:10;
[0073] (3) Peanut shell charcoal + organic fertilizer + inorganic fertilizer: add unimproved peanut shell charcoal, organic fertilizer and inorganic fertilizer, the mass ratio is 20:70:10;
[0074] (4) Corn stalk charcoal + organic fertilizer + inorganic fertilizer: add unimproved corn stalk charcoal, organic fertilizer and i...
Embodiment 3
[0095] The implementation conditions, site, cultivation conditions, measurement index etc. of the present embodiment are all identical with embodiment 2 (comprising the ratio between each component, application rate etc.), and its only difference is in the processing setting of the present embodiment, specifically as follows :
[0096] (1) CK: control, no fertilizer added;
[0097] (2) Improved peanut shell charcoal + organic fertilizer + inorganic fertilizer: add improved peanut shell charcoal, organic fertilizer and inorganic fertilizer, the mass ratio is 20:70:10;
[0098] (3) Improved corn stalk charcoal + organic fertilizer + inorganic fertilizer: add improved corn stalk charcoal, organic fertilizer and inorganic fertilizer with a mass ratio of 20:70:10;
[0099] (4) Improved pine charcoal + organic fertilizer + inorganic fertilizer: add improved pine charcoal, organic fertilizer and inorganic fertilizer, the mass ratio is 20:70:10;
[0100] (5) Improved sawdust charcoa...
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