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Weak alkaline slow-release compound fertilizer, silicon-based weak alkaline slow-release compound microbial fertilizer and preparation method thereof

A slow-release compound fertilizer and weak alkaline technology, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve the problems of low silicon absorption and utilization rate, low effective silicon content, etc., and achieve outstanding long-term slow-release, absorption The effect of high utilization rate and easy absorption of nutrients

Active Publication Date: 2017-10-31
姜明光
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the technical problems of low effective silicon content and low silicon absorption and utilization rate in existing fertilizers, the present invention provides a weakly alkaline slow-release compound fertilizer, a silicon-based weakly alkaline slow-release compound microbial fertilizer and provides the two Fertilizer preparation method

Method used

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  • Weak alkaline slow-release compound fertilizer, silicon-based weak alkaline slow-release compound microbial fertilizer and preparation method thereof
  • Weak alkaline slow-release compound fertilizer, silicon-based weak alkaline slow-release compound microbial fertilizer and preparation method thereof
  • Weak alkaline slow-release compound fertilizer, silicon-based weak alkaline slow-release compound microbial fertilizer and preparation method thereof

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Experimental program
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Embodiment Construction

[0034] Produce fertilizer according to the formula in the table:

[0035]

[0036]

[0037]

[0038] Note: The degree of polymerization of ammonium polyphosphate is 20 and 50, and the weight ratio is 4:0.5.

[0039] Examples 1.1, 2.1, 3.1, 4.1, and 5.1 prepared weakly alkaline slow-release compound fertilizers, and their preparation methods:

[0040] 1) Dissolve powdered instant potassium silicate in water to form an aqueous solution of potassium silicate at a temperature of 30°C, and dissolve ammonium polyphosphate in another portion of water to form an aqueous solution of ammonium polyphosphate;

[0041] 2) Add two parts of the aqueous solution to the organic carrier (nitrated ammonium humate, or a mixture of fermented smoke and nitrated ammonium humate), and mix well;

[0042] 3] Send it to a granulator for granulation, and control the water content to 25%.

[0043] The prepared weak alkaline slow-release compound fertilizer contains nitrogen, phosphorus, potassium...

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Abstract

The present invention relates to a weak alkaline slow-release compound fertilizer and a silicon-based weak alkaline slow-release compound microbial fertilizer and a preparation method thereof, the weak alkaline slow-release compound fertilizer comprises 20 to 200 parts by weight of water-soluble silicate, 50-400 parts by weight of ammonium polyphosphate and 200-700 parts by weight of an organic matter carrier, the PH value of the ammonium polyphosphate is greater than or equal to 7, and the silicon-based weak alkaline slow-release compound microbial fertilizer is prepared by adding beneficial bacteria masterbatch into the weak alkaline slow-release compound fertilizer. The ammonium polyphosphate itself only contains higher levels of N and P, and has unique degree of polymerization and super strong metal cation complexing capability, so that the weak alkaline slow-release compound fertilizer has outstanding long-term sustained release property and soil medium trace element chelating capability, phosphorus and ammonium release is slow, and the effect is lasting; (silicon element can inhibit plant absorption of heavy metal; the PH value is 7-8.5, and the weak alkaline slow-release compound fertilizer is conducive to soil improvement.

Description

technical field [0001] The invention belongs to the field of chemical fertilizers, and in particular relates to a weak alkaline slow-release compound fertilizer, a silicon-based weak alkaline slow-release compound microbial fertilizer and their preparation methods. Background technique [0002] Silicon is an important nutrient element for plants, and most plants contain silicon. Tests show that when 1,000 kg of rice is produced, the amount of silicon dioxide absorbed by the aboveground part of the rice reaches 150 kg, exceeding the sum of nitrogen, phosphorus, and potassium absorbed by the rice. From the ashes of rice, wheat, barley, soybeans, lentils, and fennel, the oxides of nutrients silicon, phosphorus, potassium, calcium, magnesium, iron, and manganese account for about 80% of the ash, of which silicon oxides account for 14.2%. -61.4%. The application of silicon fertilizer is beneficial to improve the photosynthesis of crops. After applying silicon fertilizer to crop...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00C05G3/08C05G3/90
Inventor 姜明光孙顶国宋文东
Owner 姜明光
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