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Cultivating fertilizer for promoting plant root growth and processing method thereof

A plant root system and processing method technology, applied in the direction of organic fertilizers, fertilizer mixtures, ammonium orthophosphate fertilizers, etc., can solve the problems of reducing the service life of chemical fertilizers, use efficiency, inconvenience in transportation and application, and calcium affecting crop yields, etc., to increase Phosphorus utilization, loss of inhibition, effect of increasing utilization

Pending Publication Date: 2021-05-07
汤雨
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In addition, there is also the problem that soluble phosphate ions in the soil coordinate with calcium ions to form soluble compounds, causing calcium deficiency to affect crop yields; fertilizers are prone to react with oxygen in the air, reducing the active ingredients, thereby reducing the service life and efficiency of fertilizers ; At the same time, it is prone to deliquescence, loose into blocks, causing inconvenience to the transportation and application process

Method used

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  • Cultivating fertilizer for promoting plant root growth and processing method thereof
  • Cultivating fertilizer for promoting plant root growth and processing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A processing method of a cultivation fertilizer for promoting plant root growth, comprising the following steps:

[0029]S1: Preparation of porous composite: (1) Preparation of porous carboxymethyl starch: sieve the carboxymethyl starch and weigh it according to the amount, and ultrasonically disperse it in the citric acid-disodium hydrogen phosphate buffer solution to obtain a homogeneous solution; Transfer to the reaction kettle, set the stirring speed to 300rmp, add amylase and glucoamylase, set the reaction temperature to 35°C for 14 hours; add 4wt% sodium hydroxide to terminate the reaction; wash and filter, dry at 50°C to obtain porous carboxyl Methyl starch; (2) Preparation of iron-based porous carboxymethyl starch: ultrasonically disperse the prepared porous carboxymethyl starch in deionized water; transfer it to the reactor, set the stirring speed to 1100rmp, and slowly add ferric chloride , stirred for 1 hour; centrifuged, dried at 50°C to obtain iron-based po...

Embodiment 2

[0033] A processing method of a cultivation fertilizer for promoting plant root growth, comprising the following steps:

[0034] S1: Preparation of porous composite: (1) Preparation of porous carboxymethyl starch: sieve the carboxymethyl starch and weigh it according to the amount, and ultrasonically disperse it in the citric acid-disodium hydrogen phosphate buffer solution to obtain a homogeneous solution; Transfer to the reaction kettle, set the stirring speed to 300rmp, add amylase and glycoamylase, set the reaction temperature to 35°C for 12 hours; add 3wt% sodium hydroxide to terminate the reaction; wash and filter, dry at 50°C to obtain porous carboxyl Methyl starch; (2) Preparation of iron-based porous carboxymethyl starch: ultrasonically disperse the prepared porous carboxymethyl starch in deionized water; transfer it to the reactor, set the stirring speed to 900rmp, and slowly add ferric chloride , stirred for 1 hour; centrifuged, and dried at 50°C to obtain iron-base...

Embodiment 3

[0038] A processing method of a cultivation fertilizer for promoting plant root growth, comprising the following steps:

[0039] S1: Preparation of porous composite: (1) Preparation of porous carboxymethyl starch: sieve the carboxymethyl starch and weigh it according to the amount, and ultrasonically disperse it in the citric acid-disodium hydrogen phosphate buffer solution to obtain a homogeneous solution; Transfer to the reaction kettle, set the stirring speed to 500rmp, add amylase and glucoamylase, set the reaction temperature to 38°C for 16 hours; add 4wt% sodium hydroxide to terminate the reaction; wash and filter, dry at 50°C to obtain porous carboxyl Methyl starch; (2) Preparation of iron-based porous carboxymethyl starch: ultrasonically disperse the prepared porous carboxymethyl starch in deionized water; transfer it to the reactor, set the stirring speed to 1100rmp, and slowly add ferric chloride , stirred for 2 hours; centrifuged and dried at 50°C to obtain iron-bas...

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Abstract

The invention discloses a cultivating fertilizer for promoting plant root growth and a processing method thereof. The cultivating fertilizer comprises a core, an inner shell and an outer shell, wherein the core is a porous compound; the inner shell is made of iron-based hydrogel; and the shell is a zeatin film. The cultivating fertilizer has the beneficial effects that (1) porous carboxymethyl starch loaded with ammonium dihydrogen phosphate is used as the core, and the inner shell, namely the iron-based hydrogel and the outer shell, namely the zeatin film coat the core, so the cultivating fertilizer capable of promoting the growth of plant roots is prepared; (2) by utilizing the coating of the inner shell and the outer shell and the complexing action of iron ions and phosphate, nutrients are effectively released, the utilization rate of the phosphorus element is increased, and the growth of plant root systems is promoted; (3) the strong coordination effect of the phosphate, the iron-based porous carboxymethyl starch and the iron-based hydrogel is utilized to effectively inhibit the phosphate and calcium from forming soluble Ca3(PO4) 2, so the utilization rate of phosphorus is increased; and (4) the arrangement of the inner shell and the outer shell reduces a reaction between the chemical fertilizer and air, and inhibits the loss of effective components.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a cultivation fertilizer for promoting the growth of plant roots and a processing method thereof. Background technique [0002] Fertilizers are essential in the field of vegetable cultivation. Soluble fertilizers can ensure high yields of agricultural and sideline products, but excessive leaching of nutrients reduces the utilization rate and causes serious harm to water bodies, while slow-release fertilizers can effectively increase utilization without affecting yields. rate and reduce environmental hazards. Among them, the low absorption rate of phosphorus is one of the factors that lead to slower growth of plant roots and decreased productivity. Therefore, using the controlled release process to effectively reduce the release rate, increase the utilization rate of phosphorus, promote root growth, and increase productivity is an urgent need for this patent. solved problem. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/40C05G5/35
CPCC05G3/40C05G5/35C05B7/00C05C11/00C05D9/02C05F11/00
Inventor 汤雨
Owner 汤雨
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