Long-acting slow-releasing codonopsis pilosula special fertilizer, preparation method and application thereof

A technology of special fertilizer and Codonopsis pilosula, which is applied in the field of long-acting slow-release Codonopsis pilosula special fertilizer and its preparation, can solve the problems of inconvenient application, low fertilizer utilization rate, and poor fertilizer effect persistence, and achieve good fertilizer effect persistence and high fertilizer utilization rate , the effect of convenient application

Active Publication Date: 2010-11-24
甘肃金九月肥业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the current research on special fertilizers is still at the stage of optimal screening of nutrient elements, and there are defects such as low fertilizer utilization rate, poor fertilizer effect persistence, and inconvenient application. just less

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-6

[0051] Examples 1-6 Composition and preparation of special fertilizer for long-acting slow-release Codonopsis pilosula

[0052] The composition of the long-acting slow-release Codonopsis Codonopsis special fertilizer in Examples 1-6 is shown in Table 1.

[0053] Table 1 Composition of long-acting slow-release Dangshen special fertilizer

[0054] make up

No

urea

(%)

heavy superphosphorus

Calcium acid (%)

diphosphate

Ammonium (%)

potassium sulfate

(%)

Fertilizer length

Efficacy agent (%)

Medium and trace elements and composition (%)

fertilizer filling

Filling (%)

1

40

30

--

18

0.7

3.8 (Ca 3%, Mn 0.5%, Zn 0.3%)

7.5

2

42

32

--

18

0.8

4.5 (Ca 3%, Mn 1.0%, Zn 0.5%)

2.7

3

42

33

--

18

1.0

6.0 (Ca 4.5%, Mn 1.0%, Zn 0.5%)

--

4

27

--

...

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PUM

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Abstract

The invention relates to a long-acting slow-releasing codonopsis pilosula special fertilizer for radix codonopsitis, a preparation method and an application thereof. The codonopsis pilosula special fertilizer contains carbamide, double superphosphate or diammonium phosphate, potassium sulfate, fertilizer long-acting agent and medium trace element, wherein the fertilizer long-acting agent is NAM, and the medium trace element is any one or a combination from Ca, Mn and Zn. The long-acting slow-releasing codonopsis pilosul special fertilizer can overcome the defects of low fertilizer utilization ratio, poor persistence of fertilizer effect, inconvenient application and the like in the prior art, can realize one-off fertilization in the production process of codonopsis pilosula, and has the advantages of convenient application, high fertilizer utilization ratio, good persistence of fertilizer effect and the like.

Description

technical field [0001] The invention relates to a compound fertilizer for agricultural production, in particular to a special fertilizer for long-acting slow-release Codonopsis pilosula and its preparation method and application. Background technique [0002] In agricultural production, in order to cultivate soil fertility and promote sustainable agricultural production, it is often necessary to apply fertilizers, especially compound fertilizers. Compound fertilizer refers to a fertilizer containing two or more nutrients, such as compound fertilizer potassium dihydrogen phosphate and diammonium phosphorus. In order to improve the environmental quality, it is necessary to increase the utilization rate of fertilizers and give full play to the economic and environmental benefits of fertilizers. Special fertilizers with high concentration, multi-component compounding, high controllable release and high efficiency have become a hot spot in the research of special fertilizers for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/08A01G1/00C05G3/90
Inventor 冯守疆龚成文赵欣楠
Owner 甘肃金九月肥业有限公司
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