Special fruit tree long-acting compound fertilizer production method of tree long-acting compound fertilizer special for fruit trees
A production method and technology of compound fertilizer, applied in the direction of application, fertilization device, fertilizer mixture, etc., can solve problems such as not seen, and achieve quick results, release of antagonism, and good absorption
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[0013] In order to make it easy to understand the technical means, creative features, work flow, and use methods of the present invention to achieve the purpose and effect, the present invention will be further described below in conjunction with examples.
[0014] A kind of production method of special long-acting compound fertilizer for fruit trees, comprising the following steps: (1) preparation of urea-formaldehyde slurry: urea and mass fraction are 40% formaldehyde solution mixed according to 1: 1 weight ratio, adjust pH value with sodium hydroxide solution to 9, the temperature was raised to 40°C, and the reaction was stirred for half an hour;
[0015] (2) Regulator adding: the plant growth regulator is added in the reaction liquid according to the weight ratio of urea-formaldehyde slurry according to 1‰, and the urea-formaldehyde slurry reaction solution is released after mixing for 8 minutes;
[0016] (3) Polymerization of urea-formaldehyde slurry: the pH value of the ...
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