A special slow-release fertilizer rich in organic selenium for strawberries

A technology for selenium-enriched strawberries and selenium fertilizer, which is applied in the application, fertilization device, fertilizer mixture and other directions, can solve the problems of waste of manpower, easy to be affected by the weather, low utilization rate of fertilizer plants, etc., to improve the utilization rate and promote the quality of strawberries. The effect of improving and saving manpower

Active Publication Date: 2016-04-06
NINGBO ZHONGJING BIOLOGICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many special fertilizers for strawberries (patent numbers CN102557833A, CN102850109A and application number 200710115272.6, etc.), these special fertilizers only provide certain nutrients for strawberry growth, and cannot provide certain selenium sources for strawberries to use
For example, there are many problems in selenium-enriched fertilizers, such as the low plant utilization of fertilizers sprayed on the foliage, and the frequent spraying, resulting in a large amount of manpower waste. At the same time, it is easily affected by the weather. Disadvantages such as low conversion rate
A selenium-enriched strawberry nutrient disclosed in Chinese patent CN101781144B uses a nano-selenium plant nutrient mixed with organic fertilizer and microbial fertilizer to be applied to the soil as a base fertilizer for the cultivation of selenium-enriched strawberries. The present invention requires the use of a specific plant nutrient , while the proportion of nutrients is not clear
Application No. 201310005446.9 discloses the use of selenium-enriched flax cakes mixed with other organic matter and various fertilizers to cultivate selenium-enriched strawberries. Among them, selenium-enriched flax cakes have limited resources and cannot be mass-produced

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A special selenium fertilizer for selenium-enriched strawberries, its materials and parts by weight are:

[0039] Sodium selenite (calculated as selenium): Attapulgite: Sodium humate: Sodium carboxymethyl cellulose: Nitrogen fertilizer (calculated as nitrogen): Superphosphate (calculated as phosphorus): Potassium chloride (calculated as potassium) :water=3.5:25:30:1:19:10:19:20. The attapulgite has a particle size of 120 mesh. All selected sodium humate has a particle size of 60 mesh. All the selected nitrogen fertilizers can be mixed in any kind of ammonium bicarbonate, ammonium chloride, ammonium nitrate and urea in any proportion.

[0040] The preparation method of special selenium fertilizer for selenium-enriched strawberry:

[0041] 1) Take 3.5 parts by weight of sodium selenite (calculated as selenium) and add the same parts by weight of water to fully mix and stir to form a solution.

[0042] 2) Spray the solution prepared in 1) evenly on 25 parts by mass of ...

Embodiment 2

[0047] A special selenium fertilizer for selenium-enriched strawberries, its materials and parts by weight are:

[0048] Sodium selenate (calculated as selenium): Attapulgite: Sodium humate: Sodium carboxymethyl cellulose: Nitrogen fertilizer (calculated as nitrogen): calcium hydrogen phosphate (calculated as phosphorus): Potassium oxide (calculated as potassium): water =2:20:25:0.5:19:10:19:20. The attapulgite has a particle size of 120 mesh. All selected sodium humate has a particle size of 60 mesh. All the selected nitrogen fertilizers can be mixed in any kind of ammonium bicarbonate, ammonium chloride, ammonium nitrate and urea in any proportion.

[0049] The preparation method of special selenium fertilizer for selenium-enriched strawberry:

[0050] 1) Take 2 parts by weight of sodium selenate (calculated as selenium) and add the same parts by mass of water to fully mix and stir to form a solution.

[0051] 2) Spray the solution prepared in 1) evenly on 20 parts by ma...

Embodiment 3

[0056] A special selenium fertilizer for selenium-enriched strawberries, its materials and parts by weight are:

[0057]Sodium selenite and sodium selenate (calculated as selenium): Attapulgite: Sodium humate: Sodium carboxymethyl cellulose: Nitrogen fertilizer (calculated as nitrogen): Phosphate fertilizer (calculated as phosphorus): Potassium fertilizer (calculated as potassium) :water=5:30:40:1.5:19:10:19:20. The attapulgite has a particle size of 120 mesh. All selected sodium humate has a particle size of 60 mesh. All the selected nitrogen fertilizers can be mixed in any kind of ammonium bicarbonate, ammonium chloride, ammonium nitrate and urea in any proportion. The phosphate fertilizer can be mixed with calcium superphosphate, double superphosphate, calcium hydrogen phosphate and phosphorus pentoxide in any proportion. Potassium fertilizer can be mixed with potassium chloride and potassium oxide in any proportion.

[0058] The preparation method of special selenium f...

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Abstract

The invention relates to an organic-selenium-enriched slow release fertilizer special for strawberries. The organic-selenium-enriched slow release fertilizer is prepared from the following raw materials in parts by weight: 2-5 parts of selenium source (based on the content of selenium), 20-30 parts of attapulgite, 25-40 parts of sodium humate, 0.5-1.5 parts of sodium carboxymethylcellulose, 19 parts of nitrogenous fertilizer (based on the content of nitrogen), 10 parts of phosphate fertilizer (based on the content of phosphorus), 19 parts of potassium fertilizer (based on the content of potassium) and 20 parts of water. The organic-selenium-enriched slow release fertilizer can meet the requirement of the strawberries for selenium fertilizer; moreover, due to the addition of nitrogen phosphorus and potassium fertilizers, the nitrogen phosphorus and potassium fertilizers can promote strawberry growth and quality after the slow release fertilizer is applied.

Description

Technical field: [0001] The invention belongs to the technical field of agricultural fertilizer production, and in particular relates to a special fertilizer rich in organic selenium for strawberries and a preparation method thereof. Background technique [0002] Strawberry is also called cranberry, raspberry, perennial herb, is a kind of red flower and fruit. Strawberries are heart-shaped in appearance, delicious, red and tender, with juicy pulp and a special rich fruit aroma. It has the effects of nourishing the lungs and promoting body fluid, invigorating the spleen and stomach, diuresis and swelling, antipyretic and heat-dispelling, etc. Strawberry is rich in nutritional value, and its Vc content is about 10 times higher than that of apples and grapes. Diet therapy can also treat diabetes, dry cough and anemia. [0003] Selenium is a kind of trace element, the content in the human body and the required daily intake are also very small, but it plays an important role in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00
Inventor 薛卫昌程敬卿
Owner NINGBO ZHONGJING BIOLOGICAL TECH
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