Multifunctional phosphite water-soluble fertilizer and preparation method thereof

A phosphite, multi-functional technology, used in liquid fertilizers, fertilizer mixtures, fertilization devices, etc., can solve the problems of disputes, the oxidation of phosphites to phosphates takes a long time, etc., to improve chemical activity and enhance physiological regulation. Effect with antibacterial function

Pending Publication Date: 2022-08-05
安徽悦禾生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since plants mainly absorb phosphate ions, and it takes a long time for phosphite to be oxidized to phosphate, the concept of phosphite as a source of phosphorus for plant nutrition has been controversial.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Phosphite multifunctional water-soluble fertilizer, including phosphite, activated humic acid, phosphate and nutrients, the phosphate is composed of N, P 2 O 5 and K 2 O composition, the nutrient material is one or more of B, Mn, Cu, Zn, Mo and Fe mixed in any proportion, and the mass ratio of phosphorous state phosphorus to phosphoric state phosphorus in the phosphite (in P 2 O 5 Calculation) is 1:0.5, the concentration of the activated humic acid is 60g / L, and the concentration of the nutrient element is 5g / L.

[0030] The concentration of the phosphate is 380g / L, wherein, the concentration of N is 100g / L, P 2 O 5 The concentration is 120g / L, K 2 The concentration of O was 160 g / L.

[0031] The mass ratio of the phosphite and activated humic acid is 12:10.

Embodiment 2

[0033] The preparation method of phosphite multifunctional water-soluble fertilizer is realized by the following steps:

[0034] Step 1, humic acid activation treatment:

[0035](1) Add 200Kg of water to the exposure cylinder, weigh 100Kg of mineral source humic acid, cut it, place it in the exposure cylinder, and process it at room temperature for 60-90min;

[0036] (2) transfer the sheared, aerated humic acid to the reactor, add 50Kg of mass fraction 40% to the reactor according to the ratio of humic acid: oxidant (mass fraction 40% nitric acid) mass ratio of 1:0.5 % nitric acid, react at 85±5℃ for 40~60min to complete the oxidative degradation reaction;

[0037] (3) according to the ratio of humic acid: mass fraction 15% KOH mass ratio 1:0.5, add 50Kg mass fraction 15% KOH to the reaction kettle, hydrolyze 30min under the condition of 80±5 ℃, obtain activated humic acid;

[0038] Step 2. Fertilizer compounding:

[0039] (1) Add 300Kg, KH of water to the No. 1 compound ta...

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PUM

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Abstract

The invention discloses a multifunctional phosphite water-soluble fertilizer and a preparation method thereof, and relates to the technical field of agricultural fertilizers. The phosphite multifunctional water-soluble fertilizer comprises phosphite, activated humic acid, phosphate and nutrient elements, the phosphate is composed of N, P2O5 and K2O, the nutrient elements are one or more of B, Mn, Cu, Zn, Mo and Fe which are mixed according to any proportion, the mass ratio of phosphorous acid phosphorus to phosphoric acid phosphorus in the phosphite (in terms of P2O5) is 1: (0.3-1.2), and the concentration of the activated humic acid is 20-80 g / L. According to the present invention, the phosphite and the activated mineral source humic acid are adopted as the basis, the antibacterial, nutritional and multifunctional water-soluble fertilizer with the macro-nutrition element and the micro-nutrition element is matched, the growth and development requirements of various crops are met, the chemical activity and the biological activity are improved by activating the mineral source humic acid, and the nutrition, the antibacterial property and the physiological regulation are integrated.

Description

technical field [0001] The invention belongs to the technical field of agricultural fertilizers, in particular to a phosphite multifunctional water-soluble fertilizer and a preparation method thereof. Background technique [0002] Phosphite can stimulate the plant's disease-resistant immune system and enable crops to develop continuous immunity to pathogenic bacteria. It is a new way to maintain plant health and disease control. It has been proved to have the effect of increasing yield and disease resistance of crops. Phosphite is used as a fungicide. The role in controlling Oomycetes is widely accepted. However, the concept of phosphite as a source of nutrient phosphorus for plants is controversial because plants mainly absorb phosphate ions, and the oxidation of phosphite to phosphate takes a long time. In plant nutrition, phosphite has its unique advantages. The 5-valent phosphorus in phosphate can only be transported upward in the xylem, while the trivalent phosphorus ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/60C05G3/80C05G5/23
CPCC05G3/00C05G3/60C05G3/80C05G5/23C05B7/00C05B17/00C05D9/02C05F11/02Y02P60/21
Inventor 李晶程坚
Owner 安徽悦禾生物科技有限公司
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