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Special fertilizer for asparagus in coastal saline-alkali land and preparation method of special fertilizer

A technology of saline-alkali soil and special fertilizer, applied in the field of plant bioengineering, can solve the problems of slow nutrient absorption and accumulation of asparagus, short fertilizer efficiency of ordinary compound fertilizer, low organic matter content, etc. The effect of good sex and reasonable nutritional distribution ratio

Pending Publication Date: 2022-01-18
VEGETABLE RES INST OF SHANDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems of high soil salinity, nitrogen deficiency, phosphorus deficiency, low organic matter content, slow absorption and accumulation of asparagus nutrients, short fertilizer efficiency and low fertilizer efficiency of ordinary compound fertilizers in the above-mentioned saline-alkali land asparagus cultivation, the invention provides a coastal saline-alkali land Special fertilizer for asparagus and preparation method thereof, capable of improving saline-alkali soil, satisfying the law of absorption and utilization of main nutrients of asparagus, and significantly increasing asparagus yield

Method used

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  • Special fertilizer for asparagus in coastal saline-alkali land and preparation method of special fertilizer

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Effect test

Embodiment 1

[0037] A special fertilizer for asparagus in coastal saline-alkali land, comprising: 300 parts by weight of urea, 200 parts of superphosphate, 150 parts of potassium sulfate, 10 parts of magnesium sulfate, 8 parts of ferrous sulfate, 8 parts of zinc sulfate, humic acid 80 parts, 1 part of chitosan oligosaccharide, 10 parts of montmorillonite powder, 250 parts of dried livestock manure after fermentation and deodorization, 2 parts of NAM additive.

[0038] The urea contains 46% nitrogen;

[0039] Described superphosphate contains phosphorus pentoxide 16%, calcium oxide 12%;

[0040] The potassium sulfate contains 50% potassium oxide.

[0041] A preparation method of special fertilizer for asparagus in coastal saline-alkali land, specifically:

[0042] 1. Pulverize all raw materials separately;

[0043]2. Weigh 1 / 4 urea, 1 / 2 potassium sulfate, 1 / 4 superphosphate, 1 / 3 magnesium sulfate, 1 / 3 zinc sulfate, 1 / 3 ferrous sulfate and put them into the mixer and stir for 5 After mix...

Embodiment 2

[0047] A special fertilizer for asparagus in coastal saline-alkali land, comprising: 450 parts by weight of urea, 350 parts of superphosphate, 250 parts of potassium sulfate, 20 parts of magnesium sulfate, 15 parts of ferrous sulfate, 15 parts of zinc sulfate, humic acid 150 parts, 3 parts of chitosan oligosaccharide, 25 parts of montmorillonite powder, 400 parts of dried livestock manure after fermentation and deodorization, 3.5 parts of NAM additive.

[0048] The urea contains 46% nitrogen;

[0049] Described superphosphate contains phosphorus pentoxide 16%, calcium oxide 12%;

[0050] The potassium sulfate contains 50% potassium oxide.

[0051] A preparation method of special fertilizer for asparagus in coastal saline-alkali land, specifically:

[0052] 1. Pulverize all raw materials separately;

[0053] 2. Weigh 1 / 4 urea, 1 / 2 potassium sulfate, 1 / 4 superphosphate, 1 / 3 magnesium sulfate, 1 / 3 zinc sulfate, and 1 / 3 ferrous sulfate respectively and put them into the mixer t...

Embodiment 3

[0057] A special fertilizer for asparagus in coastal saline-alkali land, in parts by weight, 300 parts of urea, 200 parts of superphosphate, 150 parts of potassium sulfate, 10 parts of magnesium sulfate, 8 parts of ferrous sulfate, 8 parts of zinc sulfate, modified humic acid 80 parts, 1 part of chitosan oligosaccharide, 10 parts of loaded fertilizer, 250 parts of dried livestock and poultry manure after fermentation and deodorization, 2 parts of NAM additive.

[0058] The preparation method of the modified humic acid is: mix humic acid, sodium humate and potassium humate evenly according to the mass ratio of 10:3:1 to obtain a mixture, dissolve the mixture in a mixed solvent, and control the mixture The mass ratio to the mixed solvent is 1:4, then the temperature of the mixed solvent is controlled to 50°C, and the stirring is started, and the stirring speed is controlled to be 200rpm. After stirring for 30min, guar gum and white fungus polysaccharide are added, and the tempera...

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Abstract

The invention discloses a special fertilizer for asparagus in coastal saline-alkali land and a preparation method of the special fertilizer, and belongs to the field of plant bioengineering. The special fertilizer comprises the following raw materials: urea, calcium superphosphate, potassium sulfate, magnesium sulfate, ferrous sulfate, zinc sulfate, organic matters, chitosan oligosaccharide, a fertilizer additive, livestock and poultry manure dried after fermentation and deodorization, and an NAM additive. The preparation method of the special fertilizer comprises the steps of crushing, primary mixing, secondary mixing and tertiary mixing. The special fertilizer for the asparagus in the coastal saline-alkali land can improve saline-alkali soil, meets the absorption and utilization rule of main nutrients of the asparagus and remarkably improves the yield of the asparagus.

Description

technical field [0001] The invention relates to a special fertilizer for asparagus in coastal saline-alkali land and a preparation method thereof, belonging to the field of plant bioengineering. Background technique [0002] Asparagus is a perennial perennial plant, which mainly eats its tender stems. It not only contains rich nutrients, but also has high medicinal and health effects. It is listed as one of the "Top Ten Famous Dishes" in the world. It enjoys the reputation of "King of Vegetables" in the international market. my country's asparagus planting area ranks first in the world, and it is the main export-oriented vegetable. [0003] Asparagus has strong salt-alkali tolerance and can grow normally in soil with a salt content of ≤0.3%. It is a pioneer plant for the development and utilization of saline-alkali land. my country's arable land resources are becoming increasingly tense, and land resources have become a bottleneck restricting the development of my country'...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/80C05G3/90
CPCC05G3/00C05G3/80C05G3/90C05B1/02C05C9/00C05D1/02C05D5/00C05D9/00C05D9/02C05F3/00C05F11/00C05F11/02
Inventor 厉广辉王兴军赵传志赵术珍侯蕾潘教文
Owner VEGETABLE RES INST OF SHANDONG ACADEMY OF AGRI SCI
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