Special fertilizer for citrus and preparation method thereof

[0062] Such as figure 1 Shown, the preparation method of the citrus special fertilizer that the embodiment of the present invention provides comprises the following steps:

[0063] S101, cutting wheat straw into sections, mixing them with poultry manure, and then adding fermentation bacteria to obtain decomposed organic fertilizer;

[0064] S102, adding rapeseed cake to pure water for soaking, adding rotten wood chips obtained by grinding, and stirring evenly to obtain mixture A;

[0065] S103, drying the leaves, and grinding them with a grinder to obtain leaf powder;

[0066] S104, mixing the decomposed organic fertilizer, mixture A and leaf powder, drying and grinding after stirring evenly, to obtain organic powder;

[0067] S105, mixing potassium dihydrogen phosphate, ferrous sulfate, zinc sulfate, and sodium metasilicate, grinding and sieving to obtain a powder with a particle size of <0.8 mm, namely mixture B;

[0068] S106, adding urea to mixture B, adding organic mat...

[0097] The preparation method of special fertilizer for citrus comprises the following steps:

[0098] (1) 4 parts of wheat straw are cut into sections, mixed with 8 parts of poultry manure, and then 1 part of fermenting bacteria is added to obtain decomposed organic fertilizer;

[0099] (2) Add 3 parts of rapeseed cake to 6 parts of pure water for soaking, add 2 parts of rotten wood for grinding and grind the rotten wood chips, and stir to obtain mixture A;

[0100] (3) 1 part of leaves is dried, and ground by a grinder to obtain leaf powder;

[0101] (4) Mix the decomposed organic fertilizer, mixture A and leaf powder, dry after stirring evenly, and grind to obtain organic powder;

[0102] (5) Mix 2 parts of potassium dihydrogen phosphate, 1 part of ferrous sulfate, 1 part of zinc sulfate, and 1 part of sodium metasilicate, grind and sieve to obtain a powder with a particle size of <0.8 mm, namely mixture B;

[0103] (6) Add 3 parts of urea in the mixture B, add organic ma...

[0107] The preparation method of special fertilizer for citrus comprises the following steps:

[0108] (1) After cutting 4 parts of wheat straw into sections, mixing with 9 parts of poultry manure, adding 1 part of fermentation bacteria to obtain decomposed organic fertilizer;

[0109] (2) Add 3 parts of rapeseed cake to 7 parts of pure water for soaking, add 2 parts of rotten wood for grinding, and stir to obtain mixture A;

[0110] (3) 1 part of leaves is dried, and ground by a grinder to obtain leaf powder;

[0111] (4) Mix the decomposed organic fertilizer, mixture A and leaf powder, dry after stirring evenly, and grind to obtain organic powder;

[0112] (5) Mix 2 parts of potassium dihydrogen phosphate, 1 part of ferrous sulfate, 2 parts of zinc sulfate, and 1 part of sodium metasilicate, grind and sieve to obtain a powder with a particle size of <0.8 mm, namely mixture B;

[0113] (6) Add 3 parts of urea in the mixture B, add organic matter powder after stirring, mix w...