Liquid fertilizer special for litchi cultivation and preparation method thereof
A technology of liquid fertilizer and lychee, which is applied in the field of special liquid fertilizer for lychee cultivation and its preparation, can solve the problems of increasing labor intensity and labor costs of farmers, insufficient supply of plant nutrients, loss of nitrogen and potassium fertilizers, and phosphate fertilizers, so as to avoid redox reactions and precipitation, spectrum antibacterial activity, stress resistance, and vigorous growth
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Embodiment 1
[0023] A special liquid fertilizer for litchi cultivation, including the following raw materials: chitosan 20 mg / L, potassium nitrate 600 mg / L, ammonium sulfate 300 mg / L, magnesium sulfate 200 mg / L, calcium chloride 100 mg / L L, boric acid 10 mg / L, copper sulfate 0.2 mg / L, urea 50 mg / L, niacin 50 mg / L, folic acid 5 mg / L, VB 12 5 mg / L, diethylaminoglycol acetate 5 mg / L, 30 mg / L citric acid as organic chelating agent, Bacillus subtilis 1×10 3 cfu / mL.
[0024] The preparation method of the special liquid fertilizer for litchi cultivation is characterized in that: the main operation steps are as follows:
[0025] (1) Dissolution: Weigh chitosan, potassium nitrate, ammonium sulfate, magnesium sulfate, calcium chloride, boric acid, copper sulfate, urea, and organic chelating agent, and dissolve them in water at 40-50°C to obtain the above mass concentration solution, spare;
[0026] (2) One-time mixing: Add the solutions obtained in step (1) into the reaction kettle in turn, and ...
Embodiment 2
[0030] A special liquid fertilizer for litchi cultivation, including the following raw materials: chitosan 20 mg / L, potassium nitrate 600 mg / L, ammonium sulfate 300 mg / L, magnesium sulfate 200 mg / L, calcium chloride 100 mg / L L, boric acid 15 mg / L, copper sulfate 0.2 mg / L, urea 60 mg / L, niacin 60 mg / L, folic acid 8 mg / L, VB 12 8 mg / L, diethylamino glycol acetate 6 mg / L, organic chelating agent 40 mg / L mixed with citric acid and glycine at a volume ratio of 1:1, Bacillus subtilis 1×10 3 cfu / mL.
[0031] The preparation method of the special liquid fertilizer for litchi cultivation is characterized in that: the main operation steps are as follows:
[0032] (1) Dissolution: Weigh chitosan, potassium nitrate, ammonium sulfate, magnesium sulfate, calcium chloride, boric acid, copper sulfate, urea, and organic chelating agent, and dissolve them in water at 45°C to obtain a solution with the above mass concentration. spare;
[0033] (2) One-time mixing: Add the solutions obtained ...
Embodiment 3
[0037] A special liquid fertilizer for litchi cultivation, including the following raw materials: chitosan 20 mg / L, potassium nitrate 600 mg / L, ammonium sulfate 300 mg / L, magnesium sulfate 200 mg / L, calcium chloride 100 mg / L L, boric acid 20 mg / L, copper sulfate 0.2 mg / L, urea 100 mg / L, niacin 100 mg / L, folic acid 10 mg / L, VB 12 10 mg / L, diethylaminoglycol acetate 10 mg / L, 45 mg / L organic chelating agent mixed with citric acid, glycine and glutamic acid in a volume ratio of 1:1:1, Bacillus subtilis 1×10 3 cfu / mL.
[0038] The preparation method of the special liquid fertilizer for litchi cultivation is characterized in that: the main operation steps are as follows:
[0039] (1) Dissolution: Weigh chitosan, potassium nitrate, ammonium sulfate, magnesium sulfate, calcium chloride, boric acid, copper sulfate, urea, and organic chelating agent, and dissolve them in water at 50°C to obtain a solution with the above mass concentration. spare;
[0040] (2) One-time mixing: Add t...
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